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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 reagents. These practices include provisions for reporting changes in weight, dimensions, appearance, and strength properties. Standard reagents are specified to establish results on a comparable basis. 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 used as a container or transfer line, specimens should be immersed. If the material will only see short exposures or will be used in close proximity and reagent may splash or spill on the material, the wet patch method of applying reagent should be used.
Note 1—These practices are related to ISO 175. Method B is similar to ISO 4599-1986(E). An ISO standard is under development that requires specific procedures for reporting the change in mechanical properties after chemical exposure.
1.2 The effect of chemical reagents on other properties shall be determined by making measurements on standard specimens for such tests before and after immersion or stress, or both, if so tested.
1.3 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.
1.4 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 health practices and determine the applicability of regulatory limitations prior to use. Specific hazards statements are given in Section 7.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
D13 Specification for Spirits of Turpentine
D396 Specification for Fuel Oils
D618 Practice for Conditioning Plastics for Testing
D883 Terminology Relating to Plastics
D1040 Specification for Uninhibited Mineral Insulating Oil for Use in Transformers and in Oil Circuit Breakers
D1693 Test Method for Environmental Stress-Cracking of Ethylene Plastics
D2244 Practice for Calculation of Color Tolerances and Color Differences from Instrumentally Measured Color Coordinates
D5947 Test Methods for Physical Dimensions of Solid Plastics Specimens
D7474 Practice for Determining Residual Stresses in Extruded or Molded Sulfone Plastic (SP) Parts by Immersion in Various Chemical Reagents
ICS Number Code 83.080.01 (Plast in general)
UNSPSC Code 13100000(Rubber and elastomers)
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ASTM D543-95(2001), Standard Practices for Evaluating the Resistance of Plastics to Chemical Reagents, ASTM International, West Conshohocken, PA, 1995, www.astm.orgBack to Top