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ASTM D543

Standard Practices for Evaluating the Resistance of Plastics to Chemical Reagents

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Organization: ASTM
Publication Date: 1 February 2020
Status: active
Page Count: 8
ICS Code (Plastics in general): 83.080.01
scope:

These practices cover the evaluation of all plastic materials including cast, hot-molded, cold-molded, laminated resinous products, and sheet materials for resistance to chemical reagents.

Three procedures are presented, two under practice A (Immersion Test), and one under practice B (Mechanical Stress and Reagent Exposure under Standardized Conditions of Applied Strain). These practices include provisions for reporting changes in weight, dimensions, appearance, color, strength, and other mechanical properties. Standard reagents are specified to establish results on a comparable basis without precluding the use of other chemical reagents pertinent to specific chemical resistance requirements. Provisions are made for various exposure times, stress conditions, and exposure to reagents at elevated temperatures. The type of conditioning (immersion or wet patch) depends upon the end-use of the material. If the material is used as a container or transfer line, immersion of the specimens is used. If the material will only see short exposures or will be used in proximity and reagent will splash or spill on the material, the wet patch method of applying reagent to the material is used.

NOTE 1-Practice B for evaluating environmental stress cracking resistance differs from Practice D7474, which seeks to measure residual stresses in molded sulfone plastic parts with the use of calibrated chemical reagents. Practice B differs from Test Method D1693, which seeks to quantify the susceptibility of ethylene plastics to environmental stresscracking subjected to specific conditions, by measuring the proportion of specimens that crack in a given time.

The effect of chemical reagents on properties shall be determined by making measurements on standard specimens for such tests before and after immersion or stress, or both, if so tested.

The values stated in SI units are to be regarded as standard. The values given in parentheses are for information only.

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. Specific hazards statements are given in Section 7.

NOTE 2-ISO 175 and ISO 22088 Part 3 address the same subject matter as Practices A and B of this standard, but differ in technical content and the results cannot be directly compared.

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.

*A Summary of Changes section appears at the end of this standard

Document History

ASTM D543
February 1, 2020
Standard Practices for Evaluating the Resistance of Plastics to Chemical Reagents
These practices cover the evaluation of all plastic materials including cast, hot-molded, cold-molded, laminated resinous products, and sheet materials for resistance to chemical reagents. Three...
November 1, 2014
Standard Practices for Evaluating the Resistance of Plastics to Chemical Reagents
These practices cover the evaluation of all plastic materials including cast, hot-molded, cold-molded, laminated resinous products, and sheet materials for resistance to chemical reagents. These...
April 1, 2006
Standard Practices for Evaluating the Resistance of Plastics to Chemical Reagents
These practices cover the evaluation of all plastic materials including cast, hot-molded, cold-molded, laminated resinous products, and sheet materials for resistance to chemical reagents. These...
October 10, 1995
Standard Practices for Evaluating the Resistance of Plastics to Chemical Reagents
1. Scope 1.1 These practices cover the evaluation of all plastic materials including cast, hot-molded, cold-molded, laminated resinous products, and sheet materials for resistance to chemical...
October 10, 1995
Standard Practices for Evaluating the Resistance of Plastics to Chemical Reagents
1. Scope 1.1 These practices cover the evaluation of all plastic materials including cast, hot-molded, cold-molded, laminated resinous products, and sheet materials for resistance to chemical...
February 27, 1987
STANDARD TEST METHOD FOR RESISTANCE OF PLASTICS TO CHEMICAL REAGENTS
A description is not available for this item.
April 4, 1984
STANDARD TEST METHOD FOR RESISTANCE OF PLASTICS TO CHEMICAL REAGENTS
A description is not available for this item.

References

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