ISO 433:2017 specifies the marking of conveyor belts, i.e.  
- the indications to be marked;
- the dimensions of the marks;
- the position of the marks.
ISO 433:2017 does not apply to light conveyor belts as described in ISO 21183‑1.

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This document specifies test methods for determining the electrical resistances of light conveyor belts
according to ISO 21183-1. The resistances are surface resistance, volume resistance perpendicular
to the belt plane, and longitudinal and transverse volume resistance parallel to the belt plane. This
document also specifies two test methods for determining the surface resistivity and the volume
resistivity.

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This European Standard describes a method of test to determine the propensity of a conveyor belt to generate heat flame or glow when held stationary under a given tension, in surface contact around a rotating driven steel drum.
Means of varying the belt tension are described.
NOTE   For certain belt types, due to their construction, it may not be possible to conduct this test due to the inability of the belt to comply with the requirements of 6.2.3.

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This document establishes a list of equivalent terms relating to light conveyor belts.
NOTE In addition to terms used in the three official ISO languages (English, French and Russian), this
document gives the equivalent terms in German, Spanish, Italian and Japanese; these are published under the
responsibility of the member bodies for Germany (DIN), Spain (AENOR), Italy (UNI) and Japanese (JISC). However,
only the terms given in the official languages can be considered as ISO terms.

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ISO 20238:2018 specifies a method of testing to determine the propensity of a conveyor belt to generate heat flame or glow when held stationary, under a given tension, in surface contact around a rotating driven steel drum.
ISO 20238:2018 describes means of varying the conveyor belt tension.
NOTE For conveyor belts containing steel reinforcement, it may not be possible to conduct this test in full due to the inability of the conveyor belt to comply with the requirements of 7.2. In this case, premature termination according to 7.3 can be necessary.

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This document establishes a list of equivalent terms relating to light conveyor belts.
NOTE In addition to terms used in the three official ISO languages (English, French and Russian), this document gives the equivalent terms in German, Spanish, Italian and Japanese; these are published under the responsibility of the member bodies for Germany (DIN), Spain (AENOR), Italy (UNI) and Japanese (JISC). However, only the terms given in the official languages can be considered as ISO terms.

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This document establishes a list of equivalent terms relating to light conveyor belts. NOTE In addition to terms used in the three official ISO languages (English, French and Russian), this document gives the equivalent terms in German, Spanish, Italian and Japanese; these are published under the responsibility of the member bodies for Germany (DIN), Spain (AENOR), Italy (UNI) and Japanese (JISC). However, only the terms given in the official languages can be considered as ISO terms.

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This document specifies three methods for the measurement of total belt thickness and the thickness of
covers of steel cord conveyor belts.
Methods A1 and A2 (micrometer methods) can be used for all steel cord conveyor belts for the
measurement of both total belt thickness and cover thickness.
Method B (optical method) is intended for the measurement of cover thickness only. It is not suitable if
there is a textile or metal weft, nor if the ends of the steel cords become twisted when cut.

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This document specifies three methods for the measurement of total belt thickness and the thickness of covers of steel cord conveyor belts.
Methods A1 and A2 (micrometer methods) can be used for all steel cord conveyor belts for the measurement of both total belt thickness and cover thickness.
Method B (optical method) is intended for the measurement of cover thickness only. It is not suitable if there is a textile or metal weft, nor if the ends of the steel cords become twisted when cut.

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This document specifies three methods for the measurement of total belt thickness and the thickness of covers of steel cord conveyor belts. Methods A1 and A2 (micrometer methods) can be used for all steel cord conveyor belts for the measurement of both total belt thickness and cover thickness. Method B (optical method) is intended for the measurement of cover thickness only. It is not suitable if there is a textile or metal weft, nor if the ends of the steel cords become twisted when cut.

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This document specifies a method of test for the measurement of the propagation resistance of an initial
tear in textile conveyor belts, either in full thickness or of the carcass only.
This test is intended for application to textile belts in installations where there is a risk of longitudinal
tearing.

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ISO 20238:2018 specifies a method of testing to determine the propensity of a conveyor belt to generate heat flame or glow when held stationary, under a given tension, in surface contact around a rotating driven steel drum. ISO 20238:2018 describes means of varying the conveyor belt tension. NOTE For conveyor belts containing steel reinforcement, it may not be possible to conduct this test in full due to the inability of the conveyor belt to comply with the requirements of 7.2. In this case, premature termination according to 7.3 can be necessary.

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ISO 505:2017 specifies a method of test for the measurement of the propagation resistance of an initial tear in textile conveyor belts, either in full thickness or of the carcass only.
This test is intended for application to textile belts in installations where there is a risk of longitudinal tearing.

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ISO 433:2017 specifies the marking of conveyor belts, i.e. - the indications to be marked; - the dimensions of the marks; - the position of the marks. ISO 433:2017 does not apply to light conveyor belts as described in ISO 21183‑1.

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ISO 505:2017 specifies a method of test for the measurement of the propagation resistance of an initial tear in textile conveyor belts, either in full thickness or of the carcass only. This test is intended for application to textile belts in installations where there is a risk of longitudinal tearing.

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This document specifies the performance and constructional requirements applicable to conveyor
belts for underground mining having steel cords in the longitudinal direction as reinforcement. The
requirements for design and construction apply to the design of single belts, as well as the design of
complete type series such as those covered in ISO 15236-2.
Steel cord belts in accordance with this document are intended for use underground in coal mines and
in other applications where the highest demands for safety against fire and explosion hazards have to
be complied with.
NOTE At present, the requirements can only be met by the use of compounds based on chloroprene rubber
for the covers, as well as for the bonding rubber.

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ISO 15236-3:2017 specifies the performance and constructional requirements applicable to conveyor belts for underground mining having steel cords in the longitudinal direction as reinforcement. The requirements for design and construction apply to the design of single belts, as well as the design of complete type series such as those covered in ISO 15236‑2.
Steel cord belts in accordance with this document are intended for use underground in coal mines and in other applications where the highest demands for safety against fire and explosion hazards have to be complied with.
NOTE At present, the requirements can only be met by the use of compounds based on chloroprene rubber for the covers, as well as for the bonding rubber.

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ISO 15236-3:2017 specifies the performance and constructional requirements applicable to conveyor belts for underground mining having steel cords in the longitudinal direction as reinforcement. The requirements for design and construction apply to the design of single belts, as well as the design of complete type series such as those covered in ISO 15236‑2. Steel cord belts in accordance with this document are intended for use underground in coal mines and in other applications where the highest demands for safety against fire and explosion hazards have to be complied with. NOTE At present, the requirements can only be met by the use of compounds based on chloroprene rubber for the covers, as well as for the bonding rubber.

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This International Standard specifies a method for determining the elastic and permanent elongation
of a conveyor belt and the calculation of the elastic modulus.
It is not applicable or valid for light conveyor belts as described in ISO 21183-1.

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This document specifies preferred types of conveyor belts with steel cords in the longitudinal direction
as reinforcement. The belt type series in this document are based on the general requirements for
construction given in ISO 15236-1.

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This document specifies a test method for determining the transverse flexibility (troughability) of a
conveyor belt, expressed as a ratio, F/L. The method is not suitable or valid for light conveyor belts as
described in ISO 21183-1.
NOTE The transverse “flexibility” determined by the method described in this document is only indirectly
associated with the inverse of flexural modulus as specified in ISO 178. Nor does it take into consideration the
differences in “flexibility” as exhibited by three-point and four-point bending, which takes account of the flexural
strain and the thickness of the test piece.

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This draft European Standard defines a method for the determination of the width related indentation rolling resistance of conveyor belts. The goal is that the method easily and quickly delivers values which are reproducible and relevant for the practical use. The test results enable a comparing evaluation and the design of belt conveyors with steelcord and fabric conveyor belts.
This draft European Standard is not suitable or valid for light conveyor belts described in EN ISO 21183-1.

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This part of ISO 15236 specifies the performance and constructional requirements applicable to
conveyor belts having steel cords in the longitudinal direction as reinforcement. The requirements for
construction given in Clause 6 apply to the design of single belts, as well as the design of complete type
series such as those covered in ISO 15236-2.

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ISO 15236-2:2017 specifies preferred types of conveyor belts with steel cords in the longitudinal direction as reinforcement. The belt type series in this document are based on the general requirements for construction given in ISO 15236‑1.

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ISO 703:2017 specifies a test method for determining the transverse flexibility (troughability) of a conveyor belt, expressed as a ratio, F/L. The method is not suitable or valid for light conveyor belts as described in ISO 21183‑1.

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ISO 15236-2:2017 specifies preferred types of conveyor belts with steel cords in the longitudinal direction as reinforcement. The belt type series in this document are based on the general requirements for construction given in ISO 15236‑1.

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ISO 703:2017 specifies a test method for determining the transverse flexibility (troughability) of a conveyor belt, expressed as a ratio, F/L. The method is not suitable or valid for light conveyor belts as described in ISO 21183‑1.

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ISO 15236-1:2016 specifies the performance and constructional requirements applicable to conveyor belts having steel cords in the longitudinal direction as reinforcement. The requirements for construction given in Clause 6 apply to the design of single belts, as well as the design of complete type series such as those covered in ISO 15236‑2.

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ISO 9856:2016 specifies a method for determining the elastic and permanent elongation of a conveyor belt and the calculation of the elastic modulus.
It is not applicable or valid for light conveyor belts as described in ISO 21183‑1.

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ISO 15236-1:2016 specifies the performance and constructional requirements applicable to conveyor belts having steel cords in the longitudinal direction as reinforcement. The requirements for construction given in Clause 6 apply to the design of single belts, as well as the design of complete type series such as those covered in ISO 15236‑2.

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ISO 9856:2016 specifies a method for determining the elastic and permanent elongation of a conveyor belt and the calculation of the elastic modulus. It is not applicable or valid for light conveyor belts as described in ISO 21183‑1.

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This draft European Standard defines a method for the determination of the width related indentation rolling resistance of conveyor belts. The goal is that the method easily and quickly delivers values which are reproducible and relevant for the practical use. The test results enable a comparing evaluation and the design of belt conveyors with steelcord and fabric conveyor belts.
This draft European Standard is not suitable or valid for light conveyor belts described in EN ISO 21183 1.

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This International Standard specifies a test method for the determination of the full thickness tensile
strength in the longitudinal direction and the elongation at the reference force and breaking point
of conveyor belts having a textile carcass. The method can also be used for the determination of full
thickness tensile strength in the transverse direction and the elongation at the breaking point, for use
when the manufacturer is requested by the purchaser to state values for these properties.
This International Standard is not suitable or valid for light conveyor belts as described in ISO 21183-1.

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This International Standard specifies a method for determining the bond strength of metal cords to
their surrounding coating, either in the initial state or after thermal treatment.
It applies exclusively to metal-carcass conveyor belts.

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This part of ISO 7622 specifies a method for the determination of the tensile strength, in the longitudinal,
of steel cords constituting the carcass of conveyor belts.
It applies exclusively to conveyor belts with a steel carcass.
NOTE A method for the determination of elongation is specified in ISO 7622-1.

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This European Standard specifies electrical and flammability safety requirements for conveyor belts
intended for use in underground installations, in the presence of flammable or non-flammable
atmospheres.
Conveyor belts covered by this European Standard and intended for use in flammable atmospheres are
intended for use on conveyor belt installations (machinery in mines). The belt is a component or part of
equipment, which can be incorporated into the conveyor, which is an equipment of Group I, Category
M2, as defined in 3.2.2 of EN 13463-1:2009.
This European Standard is not applicable to light conveyor belts as described in EN ISO 21183-1:2006
nor is it applicable to conveyor belts which are manufactured before the date of publication of this
document by CEN.
This European Standard deals with those significant hazards detailed in A.1.
Attention is drawn to Annexes ZA and ZB.
NOTE A summary of the requirements of this European Standard is given in Table 2. This is intended for
quick reference only.

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from CEN/TC 188 N362: The revision of EN 14973 should be started to bring it in line with the revised EN 12881-1 and EN 12881-2. (see Resolution 2/2011). The experts present agree that an Annex should be added to EN 14973 to specify that Family approval for belts is possible. Resolution 2/2011: The experts present agree that general revision of EN 14973 and EN 12882 is needed due to the work being done on EN 12881-1 and EN 12881-2.

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ISO 7622-2:2015 specifies a method for the determination of the tensile strength, in the longitudinal, of steel cords constituting the carcass of conveyor belts.
It applies exclusively to conveyor belts with a steel carcass.
NOTE A method for the determination of elongation is specified in ISO 7622‑1.

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ISO 283:2015 specifies a test method for the determination of the full thickness tensile strength in the longitudinal direction and the elongation at the reference force and breaking point of conveyor belts having a textile carcass. The method can also be used for the determination of full thickness tensile strength in the transverse direction and the elongation at the breaking point, for use when the manufacturer is requested by the purchaser to state values for these properties.
ISO 283:2015 is not suitable or valid for light conveyor belts as described in ISO 21183‑1.

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ISO 7623:2015 specifies a method for determining the bond strength of metal cords to their surrounding coating, either in the initial state or after thermal treatment.
It applies exclusively to metal-carcass conveyor belts.

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ISO 7622-2:2015 specifies a method for the determination of the tensile strength, in the longitudinal, of steel cords constituting the carcass of conveyor belts. It applies exclusively to conveyor belts with a steel carcass. NOTE A method for the determination of elongation is specified in ISO 7622‑1.

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ISO 283:2015 specifies a test method for the determination of the full thickness tensile strength in the longitudinal direction and the elongation at the reference force and breaking point of conveyor belts having a textile carcass. The method can also be used for the determination of full thickness tensile strength in the transverse direction and the elongation at the breaking point, for use when the manufacturer is requested by the purchaser to state values for these properties. ISO 283:2015 is not suitable or valid for light conveyor belts as described in ISO 21183‑1.

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ISO 7623:2015 specifies a method for determining the bond strength of metal cords to their surrounding coating, either in the initial state or after thermal treatment. It applies exclusively to metal-carcass conveyor belts.

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This European Standard specifies electrical and flammability safety requirements for general purposeconveyor belts not intended for use in underground installations and a means of categorizing conveyor belts interms of the level of safety sought in their end use application. This European Standard does not provide
electrical safety requirements for volume resistance which may be measured by the methods in
EN ISO 21178 and which is relevant to some types of light conveyor belts.
This European Standard is not applicable to conveyor belts which are manufactured before the date of
publication of this document by CEN.
NOTE 1 Directive 94/9/EC concerning equipment and protective systems intended for use in potentially explosive
atmospheres can be applicable to the type of machine or equipment covered by this European Standard. The present
standard is not intended to provide means of complying with the essential health and safety requirements of
Directive 94/9/EC, this being covered in EN 14973.
NOTE 2 EN 12882 is not a product standard but is intended to help users of conveyor belts to select the required
electrical and flammability safety properties needed following a suitable risk assessment. No requirements are, therefore,
included for marking, information to be supplied, etc., these matters being covered in relevant product standards such
as EN ISO 14890 and EN ISO 15236-1.

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This European Standard specifies electrical and flammability safety requirements for general purpose conveyor belts not intended for use in underground installations and a means of categorizing conveyor belts in terms of the level of safety sought in their end use application. This European Standard does not provide electrical safety requirements for volume resistance which may be measured by the methods in EN ISO 21178 and which is relevant to some types of light conveyor belts.
This European Standard is not applicable to conveyor belts which are manufactured before the date of publication of this document by CEN.
NOTE 1   Directive 94/9/EC concerning equipment and protective systems intended for use in potentially explosive atmospheres can be applicable to the type of machine or equipment covered by this European Standard. The present standard is not intended to provide means of complying with the essential health and safety requirements of Directive 94/9/EC, this being covered in EN 14973.
NOTE 2   EN 12882 is not a product standard but is intended to help users of conveyor belts to select the required electrical and flammability safety properties needed following a suitable risk assessment. No requirements are, therefore, included for marking, information to be supplied, etc., these matters being covered in relevant product standards such as EN ISO 14890 and EN ISO 15236 1.

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ISO 5285:2012 gives guidelines for creating the most suitable conditions for the storage and handling of conveyor belts. It is not applicable to light conveyor belts, as described in ISO 21883-1.

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EN 12881-1 describes four methods for measuring the propagation of a flame along a conveyor belt which has been exposed to a relatively high localized heat source such as a fire. The damage suffered by the conveyor belt, as well as its tendency to support combustion, is measured by observing the extent to which the fire spreads along the test piece. Method A uses a test piece 2 m in length and consumes propane gas through the burner at the rate of (1,30 ± 0,05) kg per 10 min. Method B uses a test piece 2,5 m in length and consumes propane gas through two burners mounted above and below the test piece trestle at the rate of (1,30 ± 0,05) kg per 10 min for each burner. Method C uses a test piece 1,5 m in length and consumes propane gas through the burner at the rate of (565 ± 10) g per 50 min. Method D uses a test piece 1,2 m in length and consumes propane gas through the burner at the rate of 150 l/hr (D1) or 190 l/hr (D2).

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EN 12881-1 describes four methods for measuring the propagation of a flame along a conveyor belt which has been exposed to a relatively high localized heat source such as a fire. The damage suffered by the conveyor belt, as well as its tendency to support combustion, is measured by observing the extent to which the fire spreads along the test piece.
Method A uses a test piece 2 m in length and consumes propane gas through the burner at the rate of (1,30 ± 0,05) kg per 10 min.
Method B uses a test piece 2,5 m in length and consumes propane gas through two burners mounted above and below the test piece trestle at the rate of (1,30 ± 0,05) kg per 10 min for each burner.
Method C uses a test piece 1,5 m in length and consumes propane gas through the burner at the rate of (565 ± 10) g per 50 min.
Method D uses a test piece 1,2 m in length and consumes propane gas through the burner at the rate of
150 l/hr (D1) or 190 l/hr (D2).

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