ASTM D6778-20

Podrobné informácie

Označenie: ASTM D6778-20

Dátum vydania: 01.02.2020

Stránok: 7

Krajina: Americká technická norma

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Anotácia

This classification covers polyoxymethylene materials suitable for molding and extrusion. This specification allows for the use of polyoxymethylene plastic materials that are recycled, reconstituted, recycled-regrind, recovered, or reprocessed, or combination thereof, provided that the requirements as stated in this specification are met. Test specimens shall be molded by injection molding and all test pieces shall be tested as molded and conditioned in the standard laboratory atmosphere. The mechanical properties of the unreinforced and reinforced, filled, or lubricated polyoxymethylene materials shall be determined and shall conform to the following requirements: flow rate; melting point; tensile strength; tensile modulus; Charpy impact resistance; and deflection temperature.


Keywords:
acetal, acetal copolymer, acetal homopolymer, acetal terpolymer, classification, classification system, line callout, L-P-392A, MIL-P-46137A (MR), plastic materials, polyformaldehyde, polyoxymethylene, polyoxymethylene copolymer, polyoxymethylene homopolymer, polyoxymethylene terpolymer, POM, recycle, specification,, ICS Number Code 83.140.01 (Rubber and plastic products in general)