ASTM International
ASTM committee on additive manufacturing technologies is developing a standard-guide for mechanical testing of plastics used in AM.
Additional changes could be coming for the Resin Identification Code, those little numbers and letters on the bottom of plastic bottles and containers that touch millions of lives every day.
An ASTM International plastics committee has announced a big change to the Resin Identification Code: The iconic chasing-arrows symbol will be replaced by a solid, equilateral triangle.
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