ASTM D6182-23

Standard Test Method for Flexibility and Adhesion of Finish on Leather

SIGNIFICANCE AND USE
5.1 This test method is intended for use on any type of finished leather.  
5.2 This test method will give an indication of the flexibility, adhesion, and strength of the finish on leather.
SCOPE
1.1 This test method is intended for use on finished leather to evaluate resistance to cracking, delamination, and discoloration of the finish when subjected to repeated flexing. This test method does not apply to wet blue.  
1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.  
1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.  
1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

General Information

• Status: Published
• Publication Date: 31-Aug-2023
• ICS: 59.140.10 - Processes and auxiliary materials
• Technical Committee: D31 - Leather
• Drafting Committee: D31.07 - Physical Properties

Standards Content (Sample)

This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the
Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
Designation: D6182 − 23
Standard Test Method for
1
Flexibility and Adhesion of Finish on Leather
This standard is issued under the fixed designation D6182; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope 3. Terminology
1.1 This test method is intended for use on finished leather 3.1 Definitions—Terms used in this test method are defined
to evaluate resistance to cracking, delamination, and discolor- in accordance with Terminology D1517.
ation of the finish when subjected to repeated flexing. This test
4. Summary of Test Method
method does not apply to wet blue.
4.1 Leather is conditioned according to one of two pre-
1.2 The values stated in SI units are to be regarded as
4
scribed procedures, flexed in a Bally Flexometer, and an
standard. No other units of measurement are included in this
endpoint is determined by rating the degree of damage after a
standard.
fixed number of flexes.
1.3 This standard does not purport to address all of the
safety concerns, if any, associated with its use. It is the
5. Significance and Use
responsibility of the user of this standard to establish appro-
5.1 This test method is intended for use on any type of
priate safety, health, and environmental practices and deter-
finished leather.
mine the applicability of regulatory limitations prior to use.
1.4 This international standard was developed in accor- 5.2 This test method will give an indication of the flexibility,
dance with internationally recognized principles on standard- adhesion, and strength of the finish on leather.
ization established in the Decision on Principles for the
6. Apparatus
Development of International Standards, Guides and Recom-
mendations issued by the World Trade Organization Technical
6.1 Bally Flexometer, conforming to ISO 32100, and oper-
Barriers to Trade (TBT) Committee.
ating at a rate of 100 cycles/min.
6.2 Die for cutting leather specimens to 45 mm by 70 mm.
2. Referenced Documents
2
2.1 ASTM Standards:
7. Reagents and Materials
D1517 Terminology Relating to Leather
7.1 Distilled or Deionized Water.
D1610 Practice for Conditioning Leather and Leather Prod-
ucts for Testing
8. Sampling, Test Specimens, and Test Units
D2813 Practice for Sampling Leather for Physical and
8.1 Sample leather according to Practice D2813.
Chemical Tests
3
8.2 Cut two test pieces 45 mm by 70 mm from each sample
2.2 ISO Standard:
using a die, one piece cut parallel and the other perpendicular
ISO 32100 Rubber- or plastics-coated fabrics—Physical and
to the backbone.
mechanical tests—Determination of flex resistance by the
flexometer method
9. Conditioning
9.1 Dry Leather Test—Prepare the test pieces according to
1
This test method is under the jurisdiction of ASTM Committee D31 on Leather
Practice D1610.
and is the direct responsibility of Subcommittee D31.07 on Physical Properties.
Current edition approved Sept. 1, 2023. Published September 2023. Originally
9.2 Wet Leather Test—Submerge the test pieces in distilled
approved in 1997. Last previous edition approved in 2015 as D6182 – 00 (2015).
or deionized water for 20 min 6 1 min. Blot excess water off
DOI: 10.1520/D6182-23.
using blotting paper or a paper towel.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
contact ASTM Customer Service at [e-mail]. For Annual Book of ASTM
Standards volume information, refer to the standard’s Document Summary page on
4
the ASTM website. Equipment conforming to ISO 32100 is available from Soraco SRL Via
3
ISO 32100 is published by the International Organization for Standardization Orfanotrofio, 26 13900 Biella, Italy. Other manufacturers are Giuliani S.N.C., Via
and is available from ANSI, 11 W. 42nd St., 13th Floor, New York, NY 10036, and Cervino, 10 Torino, Italy, and Pellizzato Bruno, 31033 Salvarosa di Castelfranco
from Global Engineering Documents, 15 Inverness Way East, Englewood, CO Venito (Treviso), Borgo Mandolato 13, Italy and Schap Specialty Machine, Inc.
80112. Spring Lake, MI, USA.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1

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D6182 − 23
9.3 Other Test—Conditioning, other than as prescribed,
shall be documented in the results.
10. Procedure
10.1 Bring the upper clamp of the Bally Flexometer to its
uppermost position.
10.2 Fold the test piece in half along its major axis with the
finished side toward th
...

This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Because
it may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current version
of the standard as published by ASTM is to be considered the official document.
Designation: D6182 − 00 (Reapproved 2015) D6182 − 23
Standard Test Method for
1
Flexibility and Adhesion of Finish on Leather
This standard is issued under the fixed designation D6182; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope
1.1 This test method is intended for use on finished leather to evaluate resistance to cracking, delamination, and discoloration of
the finish when subjected to repeated flexing. This test method does not apply to wet blue.
1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility
of the user of this standard to establish appropriate safety and healthsafety, health, and environmental practices and determine
the applicability of regulatory limitations prior to use.
1.4 This international standard was developed in accordance with internationally recognized principles on standardization
established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued
by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
2. Referenced Documents
2
2.1 ASTM Standards:
D1517 Terminology Relating to Leather
D1610 Practice for Conditioning Leather and Leather Products for Testing
D2813 Practice for Sampling Leather for Physical and Chemical Tests
3
2.2 DINISO Standard:
DIN 53351ISO 32100 DauerfaltverhaltenRubber- or plastics-coated fabrics—Physical and mechanical tests—Determination of
flex resistance by the flexometer method
3. Terminology
3.1 Definitions—Terms used in this test method are defined in accordance with Terminology D1517.
4. Summary of Test Method
4
4.1 Leather is conditioned according to one of two prescribed procedures, flexed in a Bally Flexometer, and an endpoint is
determined by rating the degree of damage after a fixed number of flexes.
1
This test method is under the jurisdiction of ASTM Committee D31 on Leather and is the direct responsibility of Subcommittee D31.07 on Physical Properties.
Current edition approved May 1, 2015Sept. 1, 2023. Published July 2015September 2023. Originally approved in 1997. Last previous edition approved in 20102015 as
D6182 – 00 (2010).(2015). DOI: 10.1520/D6182-00R15.10.1520/D6182-23.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or contact ASTM Customer Service at [e-mail]. For Annual Book of ASTM Standards
volume information, refer to the standard’s Document Summary page on the ASTM website.
3
DIN 53351ISO 32100 Dauerfaltverhaltenis published by DIN Deutsches Institut für Notmungthe International Organization for Standardization and is available from
ANSI, 11 W. 42nd St., 13th Floor, New York, NY 10036, and from Global Engineering Documents, 15 Inverness Way East, Englewood, CO 80112.
4
Equipment conforming to DIN 53351ISO 32100 is available from Bally Trading Ltd. Prüfgeräteverkauf, CH-5012 Schönenwerd, Switzerland. Soraco SRL Via
Orfanotrofio, 26 13900 Biella, Italy. Other manufacturers are Giuliani S.N.C., Via Cervino, 10 Torino, Italy, and Pellizzato Bruno, 31033 Salvarosa di Castelfranco Venito
(Treviso), Borgo Mandolato 13, Italy.Italy and Schap Specialty Machine, Inc. Spring Lake, MI, USA.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1

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D6182 − 23
5. Significance and Use
5.1 This test method is intended for use on any type of finished leather.
5.2 This test method will give an indication of the flexibility, adhesion, and strength of the finish on leather.
6. Apparatus
6.1 Bally Flexometer, conforming to DIN 53351,ISO 32100, and operating at a rate of 100 cycles/min.
6.2 Die for cutting leather specimens to 45 × 70 mm.45 mm by 70 mm.
7. Reagents and Materials
7.1 Distilled or Deionized Water.
8. Sampling, Test Specimens, and Test Units
8.1 Sample leather according to Practice D2813.
8.2 Cut two test pieces 45 × 70 mm 45 mm by 70 mm from each sample using a die. Onedie, one piece cut parallel and the other
perpendicular to the backbone.
9. Conditioning
9.1 Dry Leather Test—Prepare the test pieces according to Practice D1610.
9.2 Wet
...