SIST EN 16890:2017

Children's furniture - Mattresses for cots and cribs - Safety requirements and test methods

This European Standard specifies safety requirements and test methods for mattresses including mattress bases and mattress toppers, used in children's cots, cribs and suspended baby beds, for domestic and non-domestic use.
This standard does not apply to mattresses for carry cots and pram bodies, inflatable mattresses, water mattresses and mattresses used for medical purposes.

Kindermöbel - Matratzen für Kinderbetten - Sicherheitstechnische Anforderungen und Prüfverfahren

Diese Norm legt sicherheitstechnische Anforderungen und Prüfverfahren für Matratzen fest, einschließlich Matratzenböden und Matratzenauflagen, die in Kinderbetten, Krippen und Hängewiegen im Wohnbereich und Nicht-Wohnbereich verwendet werden.
Diese Norm gilt nicht für Matratzen für Babytragetaschen und Kinderwagenaufsätze, aufblasbare Matratzen, Wassermatratzen und Matratzen für medizinische Zwecke.

Mobilier pour jeunes enfants - Matelas pour berceaux et lits bébé - Exigences de sécurité et méthodes d'essai

La présente norme spécifie des exigences de sécurité et des méthodes d'essai applicables aux matelas ainsi qu'aux matelas-sommiers et aux sur-matelas, utilisés dans les berceaux, les lits bébé et les lits bébé suspendus à usage domestique et collectif.
La présente norme ne s'applique pas aux matelas des nacelles et des landaus, aux matelas gonflables, aux matelas à eau et aux matelas à usage médical.

Pohištvo za otroke - Posteljni vložki za posteljice in zibelke - Varnostne zahteve in preskusne metode

Ta evropski standard določa varnostne zahteve in preskusne metode za posteljne vložke, vključno z vložki in prevlekami za vložke, ki se uporabljajo v otroških posteljah, zibelkah ter visečih otroških posteljicah, za domačo in nedomačo uporabo.
Ta standard se ne uporablja za posteljne vložke za prenosne otroške postelje in košare, napihljive posteljne vložke, vodne posteljne vložke ter posteljne vložke, namenjene za medicinsko uporabo.

General Information

• Status: Withdrawn
• Public Enquiry End Date: 29-Sep-2015
• Publication Date: 08-Oct-2017
• Withdrawal Date: 15-Aug-2021
• ICS: 97.140 - Furniture
• ICS: 97.190 - Equipment for children
• Technical Committee: POH - Furniture
• Current Stage: 9900 - Withdrawal (Adopted Project)
• Start Date: 27-Jul-2021
• Due Date: 19-Aug-2021
• Completion Date: 16-Aug-2021
• Directive: 2001/95/EC - Directive 2001/95/EC of the European Parliament and of the Council of 3 December 2001 on general product safety
• Mandate: M/497 - Standardisation mandate to CEN, CENELEC and ETSI on the safety of child-care articles. Cluster 2 - Risks in the sleeping environment
• Ref Project: EN 16890:2017 - Children's furniture - Mattresses for cots and cribs - Safety requirements and test methods

RELATIONS

• Revised: SIST EN 16890:2017/kFprA1:2021 - Children's furniture - Mattresses for cots and cribs - Safety requirements and test methods
• Effective Date: 01-Dec-2019
• Replaced By: SIST EN 16890:2017+A1:2021 - Children's furniture - Mattresses for cots and cribs - Safety requirements and test methods
• Effective Date: 01-Sep-2021

Standards Content (sample)

SLOVENSKI STANDARD
SIST EN 16890:2017
01-november-2017

Pohištvo za otroke - Posteljni vložki za posteljice in zibelke - Varnostne zahteve in

preskusne metode

Children's furniture - Mattresses for cots and cribs - Safety requirements and test

methods

Kindermöbel - Matratzen für Kinderbetten - Sicherheitstechnische Anforderungen und

Prüfverfahren

Mobilier pour jeunes enfants - Matelas pour berceaux et lits bébé - Exigences de sécurité

et méthodes d'essai
Ta slovenski standard je istoveten z: EN 16890:2017
ICS:
97.140 Pohištvo Furniture
97.190 Otroška oprema Equipment for children
SIST EN 16890:2017 en,fr,de

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST EN 16890:2017
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SIST EN 16890:2017
EN 16890
EUROPEAN STANDARD
NORME EUROPÉENNE
May 2017
EUROPÄISCHE NORM
ICS 97.140; 97.190
English Version
Children's furniture - Mattresses for cots and cribs - Safety
requirements and test methods

Mobilier pour jeunes enfants - Matelas pour berceaux Kindermöbel - Matratzen für Kinderbetten und

et lits à nacelle - Exigences de sécurité et méthodes Krippen - Sicherheitstechnische Anforderungen und

d'essai Prüfverfahren
This European Standard was approved by CEN on 3 March 2017.

CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this

European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references

concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN

member.

This European Standard exists in three official versions (English, French, German). A version in any other language made by

translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management

Centre has the same status as the official versions.

CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,

Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania,

Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland,

Turkey and United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels

© 2017 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 16890:2017 E

worldwide for CEN national Members.
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SIST EN 16890:2017
EN 16890:2017 (E)
Contents Page

European foreword ....................................................................................................................................................... 4

1 Scope .................................................................................................................................................................... 5

2 Normative references .................................................................................................................................... 5

3 Terms and definitions ................................................................................................................................... 5

4 General test conditions ................................................................................................................................. 5

4.1 Preliminary preparation .............................................................................................................................. 5

4.2 Application of forces ...................................................................................................................................... 6

4.3 Tolerances ......................................................................................................................................................... 6

5 Test equipment ................................................................................................................................................ 6

5.1 Measuring table ............................................................................................................................................... 6

5.2 Stops ..................................................................................................................................................................... 6

5.3 Square aluminium alloy tube ...................................................................................................................... 6

5.4 Loading pad ....................................................................................................................................................... 6

5.5 Test template for determination of the indentation depth ............................................................. 7

5.6 Spherical load for determination of the indentation depth ............................................................ 8

5.7 Test foam ............................................................................................................................................................ 8

5.8 Small parts cylinder ....................................................................................................................................... 8

5.9 Feeler gauge ...................................................................................................................................................... 9

5.10 Cone ...................................................................................................................................................................... 9

5.11 Probe................................................................................................................................................................. 10

6 Chemical hazards ......................................................................................................................................... 10

7 Fire and thermal hazards (see A.3) ....................................................................................................... 11

8 Mechanical hazards ..................................................................................................................................... 11

8.1 Entrapment hazards from gaps and openings (see A.4) ................................................................ 11

8.1.1 Entrapment hazards between the mattress and the sides ............................................................ 11

8.1.2 Body entrapment hazards......................................................................................................................... 11

8.1.3 Entanglement hazards (see A.4.3) ......................................................................................................... 12

8.2 External suffocation hazards (see A.4.4) ............................................................................................. 12

8.2.1 Labels and decals ......................................................................................................................................... 12

8.2.2 Plastic packaging .......................................................................................................................................... 12

8.2.3 Firmness .......................................................................................................................................................... 13

8.3 Choking and internal suffocation hazards (see A.4.5) .................................................................... 15

8.3.1 Small parts ...................................................................................................................................................... 15

8.3.2 Accessibility to filling materials ............................................................................................................. 16

8.4 Hazards due to edges and protrusions (see A.4.6) ........................................................................... 18

8.5 Structural integrity (see A.4.7) ................................................................................................................ 18

8.5.1 Shrinkage ........................................................................................................................................................ 18

8.5.2 Hazards due to deformation of the filling ........................................................................................... 18

9 Product information (see A.4.8) ............................................................................................................. 19

9.1 Marking ............................................................................................................................................................ 19

9.2 Purchase information ................................................................................................................................. 19

9.3 Instruction for use ....................................................................................................................................... 20

Annex A (informative) Rationales ....................................................................................................................... 21

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A.1 General ............................................................................................................................................................. 21

A.2 Chemical hazards (Clause 6) ..................................................................................................................... 21

A.3 Thermal hazards (Clause 7) ...................................................................................................................... 21

A.4 Mechanical hazards (Clause 8) ................................................................................................................ 22

A.4.1 General ............................................................................................................................................................. 22

A.4.2 Entrapment hazards (8.1) ......................................................................................................................... 22

A.4.3 Entanglement hazards (8.1.3) .................................................................................................................. 22

A.4.4 Suffocation hazards (8.2) ........................................................................................................................... 22

A.4.5 Choking and ingestion hazards (8.3) ..................................................................................................... 22

A.4.6 Hazardous edges and protrusions (8.4) ............................................................................................... 23

A.4.7 Structural integrity (8.5) ............................................................................................................................ 23

A.4.8 Product information (Clause 9) ............................................................................................................... 23

Annex B (informative) Colorants ......................................................................................................................... 24

B.1 Rationale .......................................................................................................................................................... 24

B.2 Colorants .......................................................................................................................................................... 24

B.3 Colour fastness to perspiration ............................................................................................................... 24

Annex C (informative) A–deviations ................................................................................................................... 25

Bibliography ................................................................................................................................................................. 27

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SIST EN 16890:2017
EN 16890:2017 (E)
European foreword

This document (EN 16890:2017) has been prepared by Technical Committee CEN/TC 207 “Furniture”,

the secretariat of which is held by UNI.

This European Standard shall be given the status of a national standard, either by publication of an

identical text or by endorsement, at the latest by November 2017, and conflicting national standards

shall be withdrawn at the latest by November 2017.

Attention is drawn to the possibility that some of the elements of this document may be the subject of

patent rights. CEN shall not be held responsible for identifying any or all such patent rights.

This document has been prepared under a mandate given to CEN by the European Commission and the

European Free Trade Association.

According to the CEN-CENELEC Internal Regulations, the national standards organisations of the

following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria,

Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia,

France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta,

Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland,

Turkey and the United Kingdom.
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SIST EN 16890:2017
EN 16890:2017 (E)
1 Scope

This European Standard specifies safety requirements and test methods for mattresses including

mattress bases and mattress toppers, used in children's cots, travel cots, cribs and suspended baby

beds, for domestic and non-domestic use.

This European Standard does not apply to mattresses for carry cots and pram bodies, inflatable

mattresses, water mattresses and mattresses used for medical purposes.
2 Normative references

The following documents, in whole or in part, are normatively referenced in this document and are

indispensable for its application. For dated references, only the edition cited applies. For undated

references, the latest edition of the referenced document (including any amendments) applies.

EN 71-1, Safety of toys - Part 1: Mechanical and physical properties
EN 71-2:2011+A1:2014, Safety of toys - Part 2: Flammability
EN 71-3, Safety of toys — Part 3: Migration of certain elements

EN 597-1, Furniture - Assessment of the ignitability of mattresses and upholstered bed bases - Part 1:

Ignition source smouldering cigarette

EN 1334:1996, Domestic furniture - Beds and mattresses - Methods of measurement and recommended

tolerances

EN ISO 2439, Flexible cellular polymeric materials - Determination of hardness (indentation technique)

(ISO 2439)

EN ISO 13936-2, Textiles - Determination of the slippage resistance of yarns at a seam in woven fabrics -

Part 2: Fixed load method (ISO 13936-2)
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
3.1
mattress topper

upholstery product that comprises a cover and filling(s) designed to be used on top of a mattress

3.2
mattress base
cot base and a mattress combined in one component
3.3
foldable mattress base

mattress base specifically designed to be folded for ease of storage, when not in use

4 General test conditions
4.1 Preliminary preparation
The furniture shall be tested as delivered.
Unless otherwise specified, the tests shall be carried out on the same sample.
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Unless otherwise specified by the manufacturer, the sample shall be stored in indoor ambient

conditions for at least 24 h immediately prior to testing.

The tests shall be carried out at indoor ambient conditions. However, if during a test the temperature is

outside the range 15 °C to 25 °C, the maximum and/or minimum temperature shall be recorded in the

test report.
4.2 Application of forces

The test forces in durability and static load tests shall be applied sufficiently slowly to ensure that

negligible dynamic load is applied. The forces in durability tests shall be applied sufficiently slowly to

ensure that kinetic heating does not occur.

Unless otherwise stated, static forces shall be maintained for (10 ± 2) s. Unless otherwise stated,

durability forces shall be maintained for (2 ± 1) s.

The forces may be replaced by masses. The relationship 10 N = 1 kg shall be used.

4.3 Tolerances
Unless otherwise stated, the following tolerances apply:
— Forces: ± 5 % of the nominal force;
— Masses: ± 0,5 % of the nominal mass;
— Dimensions: ± 1 mm of the nominal dimension;
— Positioning of loading pads: ± 5 mm;

NOTE For the purposes of uncertainty measurement, test results are not considered to be adversely affected

when the above tolerances are met.
5 Test equipment
5.1 Measuring table

A horizontal, flat and smooth surface with dimensions sufficient to fully support the mattress in any

measuring position. The maximum deflection shall not exceed 1 mm when a force of 1000 N is applied

to the table.
5.2 Stops

Stops shall be used to prevent the mattress from sliding by any means which do not affect the test

result.
5.3 Square aluminium alloy tube

40 mm in width x 40 mm in height x 2 mm in thickness, approximately 2 m long, having a mass of

(1,65 ± 0,012 5) kg.
5.4 Loading pad

Rigid circular object 200 mm in diameter, the face of which has a convex spherical curvature with a

radius of 300 mm radius with a 12 mm edge radius (see Figure 1).
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EN 16890:2017 (E)
Dimensions in millimetres
Figure 1 — Loading pad
5.5 Test template for determination of the indentation depth

The test template shall be made from hard smooth material with the dimensions shown in Figure 2. It

shall have a total mass of (0,26 ± 0,01) kg. The edges of the template shall be rounded with a radius

of ≤ 0,1 mm and it shall have a hole in its centre with a diameter of (111 ± 0,1) mm, see Figure 2.

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EN 16890:2017 (E)
Dimensions in millimetres
a) Intersection view b) Top view c) Side view
Figure 2 — Test template for determination of firmness
5.6 Spherical load for determination of the indentation depth
0,5

The spherical load shall have a diameter of 115 mm and a mass of (2,5 ± 0,012 5) kg.

5.7 Test foam

A layer of flexible PU foam, corresponding to the dimensions of the mattress topper to be tested, having

a thickness of 100 mm, a density of (25 ± 2,5) kg/m and a hardness of (120 ± 12) N in accordance with

A of EN ISO 2439.
(40 %/30s)
5.8 Small parts cylinder
A cylinder having dimensions as shown in Figure 3.
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EN 16890:2017 (E)
Dimensions in millimetres
Figure 3 — Small parts cylinder
5.9 Feeler gauge
A feeler gauge with the dimensions shown in Figure 4.
Dimensions in millimetres
Key
1 side view
2 top view
Figure 4 — Feeler gauge
5.10 Cone
0,1

There shall be one cone with an angle of 30° ± 0,5° with a diameter of 60 mm with conical ends,

see Figure 5.
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EN 16890:2017 (E)
Figure 5 — Examples of cones
5.11 Probe
0,1
There shall be one cylindrical probe with a diameter of 12 mm, see Figure 6.
Key
0,1
1 12
Figure 6 — Cylindrical Probe
6 Chemical hazards

The manufacturer, importer or retailer shall provide verification that the migration of elements from

materials on the cover of the sleeping surface does not exceed the following limits:

— Al: 70 000 mg/kg;
— Sb: 560 mg/kg;
— As: 47 mg/kg;
— Ba: 18750 mg/kg;
— B: 15 000 mg/kg;
— Cd: 17 mg/kg;
— Cr III: 460 mg/kg;
— Cr VI: 0,2 mg/kg;
— Co: 130 mg/kg;
— Cu: 7700 mg/kg;
— Pb: 160 mg/kg;;
— Mn: 15 000 mg/kg;
— Hg: 94 mg/kg;
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EN 16890:2017 (E)
— Ni: 930 mg/kg;
— Se: 460 mg/kg;
— Sr: 56 000 mg/kg;
— Organic Sn: 12 mg/kg;
— Sn: 180 000 mg/kg;
— Zn: 46 000 mg/kg.
The migration shall be determined using the methods specified in EN 71-3.
7 Fire and thermal hazards (see A.3)
A separate sample can be used for this clause.

When tested in accordance with EN 71-2:2011+A1:2014, 5.4, there shall be no surface flash, and the

rate of spread of flame of textiles, coated textiles or plastic coverings shall not exceed 50 mm/s.

When tested in accordance with EN 597-1, there shall be no progressive smouldering ignition or

flaming ignition.
8 Mechanical hazards
8.1 Entrapment hazards from gaps and openings (see A.4)
8.1.1 Entrapment hazards between the mattress and the sides
This measurement shall be carried out before the whole test procedure.

In order to prevent entrapment hazards from gaps and openings, the tolerances on nominal dimensions

of the mattress shall be:
— Width and length: D ± 10 mm.
With D: nominal value.

This shall be measured in accordance with EN 1334:1996, 6.1 but using the square tube specified in

Subclause 5.3 of this Standard.
8.1.2 Body entrapment hazards
8.1.2.1 Requirements

To avoid entrapment of the body, there shall be no gap between components of the mattress. This

requirement is fulfilled if the 60 mm cone (5.10) does not pass through the components when tested

according to 8.1.3.2.
8.1.2.2 Test method
Push the 60 mm cone (5.10) between components of the mattress with a 30 N force.
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8.1.3 Entanglement hazards (see A.4.3)
8.1.3.1 Requirements
The restraint system is excluded from the following requirements.

Cords, ribbons and similar parts shall have a maximum free length of 220 mm when tested in

accordance with 8.1.3.2.

Where cords, ribbons and similar parts are attached to the mattress together or within 80 mm of each

other, all single cords shall have a maximum free length of 220 mm and the combined length from one

loose end to the end of another loose end shall be maximum of 360 mm.

Loops shall have a maximum peripheral dimension of 360 mm, when tested in accordance with 8.1.3.2.

8.1.3.2 Test method

The length of a cord, ribbon or similar part shall be measured from the fixing point on the mattress to

the free end of the cord, ribbon or similar part under a 25 N tensile force.

The peripheral dimension of a loop shall be measured from the fixing point on the mattress of one end

to the fixing point of the other end under a 25 N tensile force.
8.2 External suffocation hazards (see A.4.4)
8.2.1 Labels and decals
8.2.1.1 Requirements

When tested in accordance with 8.2.1.2, labels and decals shall not become detached or be loosened

from the product.
8.2.1.2 Test method

Using a force of (25 ± 2) N insert the feeler gauge (5.9) between the label or decal and the mattress at

any angle between 0° and 10° from the mattress surface.

Repeat for a further 29 times at the same position so that the feeler gauge is pushed between the label

or decal and the mattress for a total of 30 times.
8.2.2 Plastic packaging

Plastic bags and plastic sheeting used for packaging shall conform to one of the following requirements:

a) Bags made of flexible plastics with an opening perimeter greater than 360 mm used for external or

internal packaging or plastic sheeting used for packaging, shall have an average sheet thickness of

0,038 mm or more when measured in accordance with EN 71-1 and shall not have a drawstring or

cord as a means of closing; or

b) Bags made of perforated sheets or perforated plastic sheeting with an average thickness of less

than 0,038 mm when measured in accordance with EN 71-1 and of an area greater than 100 mm by

100 mm shall be perforated with defined holes so that a minimum of 1 % of the area has been

removed over any area of 30 mm by 30 mm; or

c) Any plastic covering used as packaging that does not fulfil the previous requirements shall be

conspicuously marked in the official language(s) of the country where the mattress is sold with a

statement to indicate that any plastic cover should be removed, destroyed or kept away from

children to avoid suffocation hazard.
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8.2.3 Firmness
8.2.3.1 Requirement

This requirement applies to all mattress toppers, to mattresses that are more than 30 mm in thickness

as well as to mattress bases with a soft filling thickness of more than 30 mm.

When tested in accordance with 8.2.3.2, the spherical load (5.6) shall not be in complete contact with

the inner edge of the template (5.5).
8.2.3.2 Test method
8.2.3.2.1 Conditioning

Unpack the mattress and keep it flat and unloaded in an environment of (23 ± 2) °C and a relative

humidity of (50 ± 5) % for a minimum of 72 h prior to testing.

When repeating the firmness test after the test of deformation of the filling (8.5.2), the sample shall be

conditioned at least for 5 h prior to testing.
8.2.3.2.2 Procedure
Mattresses supplied with a product shall be tested in that product.

Mattresses that are supplied to consumers as stand-alone or generic replacement products shall be

placed on a horizontal, plane, rigid structure for testing.
Mattress toppers shall be placed on the test foam specified in 5.7.

Unless one side of the mattress is clearly not suitable as a sleep surface, both sides of the mattress shall

be tested if they are of different construction.
The procedure for testing shall be as follows:

a) When applicable, compress the sleep surface by agitating or shaking it so as to achieve its

maximum aerated state and an even distribution of any filling material.

b) If the sleep surface has been separated from other product components, return the sleep surface to

its normal secured position in the product, ensuring it is well supported in a horizontal orientation.

c) Allow the sleep surface to settle for at least five minutes.
d) Mark the point to be tested as follows:
Point B shall be located in the centre of the mattress

Point C shall be located as close as possible to the edges of the mattress, but the template shall be totally

in contact with the mattress.

Point A shall be located on a position, that represents a subjective ‘worst case’ scenario, where an

infant’s head might lay in a particularly soft spot, or an infant’s nose/mouth might contact a fold or

undulation protruding above or below the average plane of the sleep surface.
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Key
1 test template for determination of the indentation depth, see 5.5
Figure 7 — Test location

e) The test template specified in 5.5 shall be positioned on each testing point defined in (d) as shown

in Figure 7.

The spherical load specified in 5.6 shall be placed in the centre of the test template. Check after 5 min if

the spherical load is in complete contact with the template (see Figures 8 and 9).

Key
1 test template
2 spherical load
3 mattress
4 test surface

Figure 8 — Test passed – The spherical load is not in complete contact with the template

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EN 16890:2017 (E)
Key
1 test template
2 spherical load
3 mattress
4 test surface

Figure 9 — Test failed – The spherical load is in complete contact with the template

8.3 Choking and internal suffocation hazards (see A.4.5)
8.3.1 Small parts
8.3.1.1 Requirements
The requirements do not apply to paper, fabric, and yarn.

When tested in accordance with 8.3.1.2, no part that can be detached shall fit wholly within the small

parts cylinder (5.8).
8.3.1.2 Test method
8.3.1.2.1 General

The tests are applicable only to small parts which are considered grippable by a child and which may fit

wholly within the small parts cylinder (5.8).

A part is considered to be grippable by a child if the child can grip the part between its thumb and

forefinger or between its teeth.

The tension test (see 8.3.1.2.3) shall be carried out after the torque test (see 8.3.1.2.2) and on the same

part as used for the torque test.
8.3.1.2.2 Torque test

Apply a torque gradually to the part within a period of approximately 5 s in a clockwise direction until

either:
— rotation of 180° from the original position has been attained; or
— torque of 0,34 Nm is reached.
The maximum rotation or required torque shall be applied for (10 ± 2) s.
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The part shall then be allowed to return to a relaxed condition and the procedure repeated in an

anticlockwise direction.

Where projections, parts or assemblies are rigidly mounted on an rod or shaft designed to rotate

together with the projections, parts or assemblies, the rod or shaft shall be clamped to prevent rotation

during the test.
8.3.1.2.3 Tension test
Apply a tensile force gradually over approximately 5 s and
...