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Scope

1.1 This specification covers the chemical and physical quality specifications or requirements, or both, for Industry Reference Materials (IRMs) as cited in Practice D 4678 and other standards.

1.2 IRMs, as evaluated and referenced in Practice D 4678, are vitally important to conduct product, specification, and development testing in the rubber and carbon black industries.

1.3 Before a new lot of material can be accepted as an IRM, it must comply with the specifications prescribed in this specification. However, these specifications are only part of the requirements. Other requirements as given in Practice D 4678 shall be met before a candidate material can be formally accepted as an IRM.

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.

Significance and Use

IRMs are vitally important in product and specification testing, in research and development work, in technical service work, and in quality control operations in the rubber and carbon black industries. They are especially valuable for referee purposes. Many ASTM rubber standards for the evaluation of natural or synthetic rubber require the use of specific IRMs in their test recipes for better laboratory repeatability and reproducibility.

New material lots that have been selected as candidates for IRM approval shall conform to the appropriate specifications given in this standard and meet requirements given in Practice D 4678 before the lots may be accepted as IRMs.

The chemical and physical IRM specifications shown will ensure some consistency in IRM properties from one lot to the next. However, the specifications cannot ensure exact inter-lot consistency.

Keywords

industry reference materials; IRM; reference materials; Homogeneity; Industry reference materials (IRM); Naphthenic process oil; Petroleum oils--specifications; Physical properties/dimensions/characteristics; Product evaluation; Reference materials (RM); Rubber--specifications; Standard reference materials (SRM); Tetramethyl thiuram disulfide (TMTD); Zinc oxide (ZnO); Benzothiazyl thiuram disulfide (BMTS); Butyl rubber--specifications; Chemical properties/characteristics; ICS Number Code 19.020 (Test conditions and procedures in general); 83.020 (Manufacturing processes in the rubber and plastics industries)

To find similar documents by ASTM Volume:

09.01 (Rubber, Natural and Synthetic -- General Test Methods; Carbon Black)

To find similar documents by classification:

19.020 (Test conditions and procedures in general)

83.020 (Manufacturing processes in the rubber and plastics industries)

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