ASTM D4020 PDF

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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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. Historical Version s – view previous versions of standard.

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 specification is not intended to differentiate between various molecular weight grades of commercially asttm UHMW-PE, nor does it function to provide specific engineering data for design purposes.

The values given in parentheses are for information only.

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Work Item s – proposed revisions of this standard. It is not equivalent to ISO in any other measurement or section X5. This abstract is a brief summary of the referenced standard.

ISO provides a classification system based on various characteristics and a range of viscosity numbers determined in accordance with ISO This standard and ISO address the same subject matter, but d40020 in technical content. The values given in parentheses are for information only. Link to Active This link will always route to the current Active version of the standard.

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

Application of this test method shall be limited to the characterization of virgin, unmodified UHMW-PE resins, not commercially processed products. The melt flow rate in r4020 with test method D cannot be determined for this material because ultra high molecular weight polyethylene does not have a melt flow. Only Eq 1 listed in 3. Note 1—This standard and ISO address the same subject matter, but differ in technical content.

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

ASTM D4020 – 18

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. Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard.

The elongational stress method is atm on a previous thermally-processed material due to possible crosslinking. ISO provides a classification system based on various characteristics and a range of viscosity numbers determined in accordance with ISO The elongational stress is also be referred to as ZST and flow value, or both. This specification provides for aztm 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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Link to Active This link will always route to the current Active version of the standard. Sampled specimens shall be tested for dilute solution viscosity.

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. It is advised that the user be familiar with Test Method D before attempting to use this test method.

This standard does not purport to address all of the safety concerns, if any, associated with its use. This identification is made in such a manner that the seller and purchaser can agree on the acceptability of different commercial lots or shipments. Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard.

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

It is not equivalent to ISO in any other measurement or section. Active view current version of 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.

Work Item s – proposed revisions of this standard.