ASTM D4020 PDF

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Results 1 – 16 of UHMW (Ultra High Molecular Weight Polyethylene) Sheet, Opaque White, Standard Tolerance, ASTM D by Small Parts. Results 1 – 16 of 70 UHMW (Ultra High Molecular Weight Polyethylene) Sheet, Opaque White, Standard Tolerance, ASTM D, D, D, 1/16″. Buy ASTM D – 18 Standard Specification for Ultra-High-Molecular-Weight Polyethylene Molding and Extrusion Materials from SAI Global.

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This standard and ISO address the same subject matter, but differ in technical content. Only Eq 1 listed in 3. Note 1—This standard and ISO address the same subject matter, but differ in technical content.

Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard. This standard does not purport to address all of the safety concerns, if any, associated with its use.

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ISO provides a classification system based on various characteristics and a range of viscosity numbers determined in accordance with ISO This abstract is a brief summary of the referenced standard. It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application.

Historical Version s – view previous versions of standard. 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.

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Ultra High Molecular Weight Polyethylene (UHMW/PE)

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.

This identification is made in d400 a manner that the seller and purchaser can agree on the acceptability of different commercial lots or shipments.

Sampled specimens shall be tested for dilute solution viscosity. This test method specifies the same type of pendulum impact test machine as that given in Test Method D but introduces a much higher degree of stress concentration into the specimen by double notching with a razor blade.

It asgm advised that the user be familiar with Test Method D before attempting to use this test method. It is not equivalent to ISO in any other measurement or section X5. Referenced Documents purchase separately The dd4020 listed below are referenced within the subject standard but are not provided as part of the standard.

Ultra High Molecular Weight Polyethylene (UHMW/PE) | Spiratex

The values given in parentheses are for information only. Work Item s – proposed revisions of this standard. Link to Active This link will always route to the current Active version of the standard.

The elongational stress is also be referred to as ZST and flow value, or both. The melt flow rate in accordance with test method D cannot aastm determined for this material because ultra high molecular weight polyethylene does not have a melt flow. ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date. This identification is made in such a manner that the seller and purchaser can agree on the acceptability of different commercial lots or shipments.

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Application of this test method shall be limited to the characterization of virgin, unmodified UHMW-PE resins, not commercially processed products.

It is not equivalent to ISO in any other measurement or section.

ASTM D4020 – 18

Work Item s – proposed revisions of this standard. Link to Active This link will always route to the current Active version of the 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. ISO provides a classification system based on various characteristics and a range of viscosity numbers determined in accordance with ISO The elongational stress method is invalid on a previous thermally-processed material due to possible crosslinking.

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. Active view current version of standard. The values given in parentheses are for information only.