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Work Item s – proposed revisions of this standard.

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Historical Version d4200 – view previous versions of standard. Note 1—This standard and ISO address the same subject matter, but differ in technical content.

Link to Active This link will always route to the current Active version of the standard. It is not equivalent to ISO in asmt other measurement or section.

Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard. Work Item s – proposed revisions of this standard.

Active view current satm of standard.

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. This standard does not purport to address all of the safety concerns, if any, associated with its use.

This standard does not purport to address all of the safety concerns, if any, associated with its use.

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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. This abstract is a brief summary of the referenced standard.

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. The melt flow rate in accordance with test method D cannot be determined for this material because ultra high molecular weight polyethylene does not have a melt flow.

It is informational awtm and not an official part of the standard; the full text of the standard itself must be referred to for its use and application. ASTM does not give any warranty express or implied or make any representation that the contents d400 this abstract are d40020, complete or up to date.

The elongational stress is also be referred to as ZST and flow value, or both. Application of this test method shall be limited to the characterization of virgin, unmodified UHMW-PE resins, not commercially processed products.

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.

The values given in parentheses are for information only. 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 elongational stress method is invalid on a previous thermally-processed material due to possible crosslinking. This identification is made in such a manner that the seller and purchaser can agree on the acceptability of axtm commercial lots or shipments. It is advised that the user be familiar with Test Method D before attempting to use this test method.

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Link to Active This link will always route to the current Active version of the standard. Only Eq 1 listed in 3.

Ultra High Molecular Weight Polyethylene (UHMW/PE)

ISO provides a classification system based on various characteristics and a range of viscosity numbers determined in accordance with ISO Sampled specimens shall be tested for dilute solution viscosity.

Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard. ISO provides a classification system based d44020 various characteristics and a range of viscosity numbers determined in accordance with ISO The values given in parentheses are for information only. It is not equivalent to ISO in any other measurement or section X5. This standard and ISO address the same subject matter, but differ in technical content.

Astn test method specifies the same type of pendulum impact test machine as that given in Test Method D but introduces d40220 much higher degree of stress concentration into the specimen by double notching with a razor blade.