SIST EN 1392:2006
(Main)Adhesives for leather and footwear materials-Solvent-based and dispersion adhesives-Testing of bond strength under specified conditions
Adhesives for leather and footwear materials-Solvent-based and dispersion adhesives-Testing of bond strength under specified conditions
This European Standard specifies the testing of some strength properties of bonds of leather and footwear materials, in stuck-on assemblies using solvent-based and dispersion adhesives, under different conditions. These can be chosen taking into account the different stresses that such bonds are subjected to, depending on the type of footwear.
Klebstoffe für Leder und Schuhwerkstoffe - Lösemittel- und Dispersionsklebstoffe - Prüfung der Festigkeit von Klebungen unter festgelegten Bedingungen
Diese Europäische Norm legt die Prüfung einiger Festigkeitseigenschaften von Leder- und Schuhwerkstoff-klebungen
in Klebungen mit Lösemittel- und Dispersionswerkstoffen unter verschiedenen Bedingungen fest.
Diese können unter Berücksichtigung der unterschiedlichen Beanspruchungen, denen die Klebungen in
Abhängigkeit von der Art des Schuhwerks ausgesetzt sind, gewählt werden.
Adhésifs pour cuir et matériaux de la chaussure - Adhésifs a base de solvant ou a dispersion - Méthodes d'essai pour mesurer la résistance de collage dans certaines conditions spécifiées
La présente Norme européenne spécifie des méthodes d'essai pour mesurer certaines propriétés de
résistance du collage des cuirs et des matériaux de la chaussure dans les assemblages collés qui utilisent
des adhésifs a base de solvant ou en dispersion aqueuse, dans différentes conditions. Ces dernieres peuvent
etre choisies en fonction des différentes contraintes auxquelles ces collages sont soumis, selon le type de
chaussure et dans diverses conditions extérieures de service.
Lepila za usnje in obutvene materiale - Raztopinska in disperzijska lepila - Preskusne metode za merjenje trdnosti vezave pod določenimi pogoji
General Information
Relations
Standards Content (Sample)
SLOVENSKI STANDARD
SIST EN 1392:2006
01-oktober-2006
1DGRPHãþD
SIST EN 1392:1999
/HSLOD]DXVQMHLQREXWYHQHPDWHULDOH5D]WRSLQVNDLQGLVSHU]LMVNDOHSLOD
3UHVNXVQHPHWRGH]DPHUMHQMHWUGQRVWLYH]DYHSRGGRORþHQLPLSRJRML
Adhesives for leather and footwear materials-Solvent-based and dispersion adhesives-
Testing of bond strength under specified conditions
Klebstoffe für Leder und Schuhwerkstoffe - Lösemittel- und Dispersionsklebstoffe -
Prüfung der Festigkeit von Klebungen unter festgelegten Bedingungen
Adhésifs pour cuir et matériaux de la chaussure - Adhésifs a base de solvant ou a
dispersion - Méthodes d'essai pour mesurer la résistance de collage dans certaines
conditions spécifiées
Ta slovenski standard je istoveten z: EN 1392:2006
ICS:
61.060 Obuvala Footwear
83.180 Lepila Adhesives
SIST EN 1392:2006 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
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EUROPEAN STANDARD EN 1392
NORME EUROPÉENNE
EUROPÄISCHE NORM
May 2006
ICS 61.060; 83.180 Supersedes EN 1392:1998
English Version
Adhesives for leather and footwear materials - Solvent-based
and dispersion adhesives - Testing of bond strength under
specified conditions
Adhésifs pour cuir et matériaux de la chaussure - Adhésifs Klebstoffe für Leder und Schuhwerkstoffe - Lösemittel- und
à base de solvant ou à dispersion- Méthodes d'essai pour Dispersionsklebstoffe - Prüfung der Festigkeit von
mesurer la résistance de collage dans certaines conditions Klebungen unter festgelegten Bedingungen
spécifiées
This European Standard was approved by CEN on 13 April 2006.
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 Central Secretariat 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 Central Secretariat has the same status as the official
versions.
CEN members are the national standards bodies of Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France,
Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania,
Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
Management Centre: rue de Stassart, 36 B-1050 Brussels
© 2006 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 1392:2006: E
worldwide for CEN national Members.
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EN 1392:2006 (E)
Contents Page
Foreword.3
1 Scope .4
2 Normative references .4
3 Terms and definitions .4
4 Principle.4
5 Test methods.5
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EN 1392:2006 (E)
Foreword
This document (EN 1392:2006) has been prepared by Technical Committee CEN/TC 193 “Adhesives”, the
secretariat of which is held by AENOR.
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 2006, and conflicting national standards shall be withdrawn
at the latest by November 2006.
This document, together with EN 15062, supersedes EN 1392:1998.
According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following
countries are bound to implement this European Standard: Austria, Belgium, Cyprus, Czech Republic,
Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania,
Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden,
Switzerland and United Kingdom.
Safety statement
Persons using this document should be familiar with the normal laboratory practice, in principle. This
document does not purport to address all of the safety problems, if any, associated with its use. It is the
responsibility of the user to establish appropriate safety and health practices and to ensure compliance with
any regulatory conditions.
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EN 1392:2006 (E)
1 Scope
This European Standard specifies the testing of some strength properties of bonds of leather and footwear
materials, in stuck-on assemblies using solvent-based and dispersion adhesives, under different conditions.
These can be chosen taking into account the different stresses that such bonds are subjected to, depending
on the type of footwear.
2 Normative references
The following referenced documents are indispensable for the application of this document. For dated
references, only the edition cited applies. For undated references, the latest edition of the referenced
document (including any amendments) applies.
EN 923:2005, Adhesives –Terms and definitions
EN 1067, Adhesives – Examination and preparation of samples for testing
EN 12961, Adhesives for leather and footwear materials – Determination of optimum activation temperatures
and maximum activation life of solvent-based and dispersion adhesives
EN 15307:2005, Adhesives for leather and footwear materials – Sole-upper bonds - Minimum strength
requirements
EN ISO 868, Plastics and ebonite – Determination of indentation hardness by means of a durometer (Shore
hardness) (ISO 868:2003)
EN ISO 7500-1, Metallic materials - Verification of static uniaxial testing machines - Part 1:
Tension/compression testing machines - Verification and calibration of the force-measuring system (ISO
7500-1:2004)
EN ISO 10365, Adhesives – Designation of main failure patterns (ISO 10365:1992)
EN ISO 15605, Adhesives – Sampling (ISO 15605:2000)
ISO 554, Standard atmospheres for conditioning and/or testing – Specifications
ISO 2602, Statistical interpretation of test results − Estimation of the mean − Confidence interval
3 Terms and definitions
For the purposes of this document, the terms and definitions given in EN 923:2005 and the following apply.
3.1 leather
tanned animal skin, usually free of hair
3.2 footwear materials
natural and synthetic materials which are suitable for footwear manufacture or repair and have adequate
wear properties as upper or soling material
3.3 adhesives for leather and footwear materials
adhesives which are intended to produce firm and durable bonds of leather and footwear materials
4 Principle
The surface of the leather or the footwear material used is treated specifically to the nature of the material.
Then strips of specified length and width are cut from the treated material.
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EN 1392:2006 (E)
Two of these strips or one strip of the above mentioned material and one strip of a suitable different material
are bonded by an adhesive to test pieces of specified form.
The test pieces are stored under specified conditions and their bond strength is determined under specified
conditions.
5 Test methods
5.1 Types of tests
5.1.1 Peel tests at (23 ± 2) °C
See 5.4.2
5.1.2 Peel test under constant load and at a constant elevated temperature ("creep test")
See 5.4.3
5.2 Adhesives and materials
5.2.1 Footwear adhesive
Identify the adhesive used completely in the test report, in particular note name and/or designation,
manufacturer, date of manufacture/supply and/or lot number, main polymer, type (solvent-based or
dispersion) and colour. For two-part adhesives identify the nature of the crosslinking agent and the mixing
ratio of the components. Record this adhesive identification in the test report.
Some one or two part reference footwear test adhesives with specific properties have been developed for
research, development and quality certification purposes (see EN 15307:2005, Annex A). Record the
designation, source and date of supply of the reference test adhesive, if used, in the test report.
5.2.2 Leather and Footwear materials
Completely identify the footwear material(s) used in the test report.
Record name and/or designation, manufacturer, date of manufacture/supply, type of leather or of footwear
material, e.g. soling or upper material. For leathers list colour, thickness and type of tannage (if known), for
rubber and plastic materials colour, polymer base and Shore-hardness according to EN ISO 868. Include this
identification of the material in the test report. Some reference footwear test materials with specified properties
have been developed for research, development and quality certification purposes (see EN 15307:2005,
Annex A). Record the designation, source and date of supply of the reference footwear test materials, if used,
in the test report.
5.3 Apparatus and reagents
5.3.1 General
The items required will depend on the types of materials used:
5.3.2 Cutting knife
sharp knife, for cutting test pieces according to 5.6.2. The angle between the inner and outer cutting surface
shall be approximately 20°;
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EN 1392:2006 (E)
5.3.3 Splitting machine
for splitting outsole leather;
5.3.4 Roughing machine
consists of a rotary wire brush with a wire diameter between 0,1 mm and 0,4 mm. The linear speed of
revolution shall be between 10 m/s and 25 m/s;
5.3.5 Scouring machine
with a drum covered with emery paper or emery cloth of 60 grit size and a linear speed of revolution of
between 10 m/s and 20 m/s;
5.3.6 Hard felt disc
made from wool for removing thin PVC coats from PVC upper materials;
5.3.7 Brush for dust removing
hand or mechanical device for removing the dust from strips of material after roughing or scouring;
5.3.8 Material for solvent wiping
suitable lintfree fabric or cotton wool. The material for solvent wiping must remain unaffected by the solvent
used. Size about 150 mm x 150 mm;
5.3.9 Solvents
ethyl acetate (acetic acid ethyl ester) acetone or light petroleum, boiling range 80 °C to 110 °C;
5.3.10 Halogenation agent, solvent borne, 1- or 2-part
for treating rubber surfaces;
5.3.11 Brush for halogenation
hard and soft with a non-metallic bristle holder for halogenation; bristle length about (20 ± 5) mm;
5.3.12 Adhesive applicator
e.g. brush, roller, coating machine etc. for uniform coating of the adhesive under test;
5.3.13 Heat activator
for heating adhesive coats to the required temperature;
5.3.14 Equipment for measurement of temperature
thermocouple, infrared thermometer, thermoindicator papers or melting powders for measuring the
temperature of activated adhesive coats;
5.3.15 Pressing device
providing a precise and even pressure of up to 0,6 MPa over the whole of the surface to be bonded;
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EN 1392:2006 (E)
5.3.16 Tensile testing machine
according to EN ISO 7500-1 for measuring maximum separation forces up to 10 kN and suitable force
measurement ranges.
The tensile testing machine shall record automatically the separation forces determined, and to be adjustable
to a constant rate of traverse of (100 ± 10) mm/min during the test.
5.3.17 Oven
with forced ventilation capable of storing test pieces at (50 ± 2) °C.
5.3.18 Warm air cabinet
with forced ventilation capable of maintaining the contents at temperatures between 40 °C and 100 °C with
tolerances of ± 2 °C and suitable for testing test pieces in accordance with 5.4.The test cabinet shall be fitted
with a window and devices for clamping five test pieces. These devices shall consist of upper clamps fixed on
a metal bar in the cabinet and lower clamps which shall have means for attaching weights which pass through
cylindrical holes in the base of the cabinet. All lower clamps shall be of the same mass and capable of being
loaded with weights so that total loads applied by the individual clamps are 0,5 kg, 1,0 kg, 1,5 kg, 2,0 kg and
2,5 kg.
5.3.19 Weights
with a tolerance of ± 1 % for applying loads of 0,5 kg, 1,0 kg, 1,5 kg, 2,0 kg and 2,5 kg, including the weight of
a clamp to the test pieces.
5.4 Form of test pieces
5.4.1 General
Prepare from the leather and footwear materials strips as specified in 5.6.2. If a material, does not allow the
cutting of strips of the required dimensions, smaller and/or shorter strips may be used for preparing test pieces
of the specified form, providing that their dimensions and overlap are recorded in the test report.
5.4.2 Peel test at (23 ± 2) °C
Two strips of material up to (100 ± 2) mm long and (30 ± 0,5) mm wide are bonded to cover each other over a
length of at least (60 ± 2) mm (see Figure 1).
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EN 1392:2006 (E)
Dimensions in mm
Key
1 length of the bond in millimetres
Figure 1 — Form and dimensions of test pieces for the peel tests
5.4.3 Peel test under constant load and at a constant elevated temperature ("creep test")
Use the same test pieces as specified in 5.4.2
5.5 Number of test pieces
Prepare for every test and storage condition chosen at least three peel test pieces, at least 15 peel test
pieces for the preliminary creep tests necessary for assessing the test temperature (five for each preliminary
test) and at least 15 for the final creep tests (five for the creep test at each chosen test weight).
5.6 Preparation of test pieces
5.6.1 General
Condition all leathers and footwear materials to an equilibrium state in the standard atmosphere 23/50
according to ISO 554.
5.6.2 Cutting of material strips
When cutting the materials for test pieces, the surface that is to be bonded shall be uppermost. The inner
surface of the knife shall be at right angles to the plane of the material to be cut. The depth of the cut shall be
greater than the thickness of the material being cut.
NOTE: It is recommended that a thick sheet of paper be laid between the material and the cutting block.
5.6.3 Preparation of bonding surfaces
5.6.3.1 General
Prepare the bonding surfaces of the footwear materials for the test pieces in accordance with the instructions
for the use of the adhesive. If there is no information available apply the procedures given in 5.6.3.2 to
5.6.3.4 appropriate to the type of material.
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