ASTM D4020 PDF

Historical Version s - view previous versions of standard. More D This specification provides for the identification of virgin, unmodified homopolymer ultra-high-molecular-weight polyethylene UHMW-PE molding and extrusion plastic materials in the form of powder, granules, or pellets. This specification is not intended to differentiate between various molecular weight grades of commercially available UHMW-PE, nor does it function to provide specific engineering data for design purposes. Sampled specimens shall be tested for dilute solution viscosity. This abstract is a brief summary of the referenced standard.

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Some rush fees may apply. Add to Cart. View Full Details and Buy. Complementary Documents and Links:. This specification provides for the identification of virgin, natural color, unmodified homopolymer ultra-highmolecular- weight polyethylene UHMWPE plastics molding and extrusion materials. This identification is made in such a manner that the seller and purchaser can agree on the acceptability of different commercial lots or shipments.

This specification also provides guidance for the characterization of UHMWPE materials based on various mechanical, thermal, electrical, and other analyses. It is not intended to differentiate between various molecular weight grades of ultra-high-molecular-weight polyethylene commercially available.

It is not the function of this specification to provide specific engineering data for design purposes. Ultra-high-molecular-weight polyethylenes, as defined in this specification, are those linear polymers of ethylene which have a relative viscosity of 1. The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only. The following precautionary caveat pertains only to the test method portions in Section 7 and the Annex and Appendixes, of this specification: 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. ISO provides a classification system based on various characteristics and a range of viscosity numbers determined in accordance with ISO Browse Publishers. Top Sellers. My Account. Corporate Sustainability.

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Active view current version of standard. Other Historical Standards. More D This identification is made in such a manner that the seller and purchaser can agree on the acceptability of different commercial lots or shipments. The values given in parentheses are for information only. 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.

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ASTM D4020

Also known as Tivar H. This material suppresses static charges to prevent dust from building up. The addition of glass fibers makes this material more abrasion resistant than standard UHMW. Contact Us Order. Log in. Create login. Choose a Category.

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