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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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Historical Version s – view previous versions of standard.

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

This identification is made in such a manner that the seller and purchaser can agree on the acceptability of different commercial lots or shipments. Link to Active This link will always route to the current Active version of the standard.

This standard does not purport to address all of the safety concerns, if any, associated with its use. 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 v4020.

Application of x4020 test method shall be limited to the characterization of virgin, unmodified UHMW-PE resins, not commercially processed products.

It is 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.

This standard does not purport to address all of the safety concerns, if any, associated with its use. The elongational stress is also be referred to as ZST and flow value, or both. Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard.

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Active view current version dd4020 standard. The values given in parentheses are for information only. Work Item s – proposed revisions of this standard. 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 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. Link to Active This link will always route to the current Active version of the standard. Work Item s – proposed revisions of r4020 standard.

It is not equivalent to ISO in any other measurement or section X5. ISO provides a classification system based on various characteristics and a range of viscosity numbers v4020 in accordance with ISO 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.

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Sampled specimens shall be tested for dilute solution viscosity. It is informational only asfm not an official part of the standard; the full text of the standard itself must be referred to for its use and application. 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.

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Ultra High Molecular Weight Polyethylene (UHMW/PE)

This standard and ISO address the same subject matter, but differ in technical content. The elongational stress method is invalid on a previous thermally-processed material due to possible crosslinking.

Only Eq 1 listed in 3.

The melt flow rate in accordance with test method D cannot be determined for this material because ultra asstm molecular weight polyethylene does not have a melt flow. It is the responsibility of the user of this standard to establish appropriate safety and asym 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 This abstract is a brief summary of the referenced standard. The values given in parentheses are for information only. Note 1—This standard and ISO address the same subject matter, but differ in technical content.

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.