ASTM D4020 PDF

  • February 13, 2020

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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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.

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.

Sampled specimens shall be tested for dilute solution viscosity.

This standard does not purport to address all of the safety concerns, if any, associated with its use. Historical Version s – view previous versions of standard. Only Eq 1 listed in 3. This standard and ISO address the same subject matter, but differ in technical content. It is not equivalent to ISO in any other measurement or section.

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 aetm purchaser can agree on the acceptability of different commercial lots or shipments. Work Item s – proposed revisions of this standard. The elongational stress method is invalid on a previous thermally-processed material due to possible crosslinking.

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

ASTM D4020 – 18

ISO provides a classification system based on various characteristics and a range of viscosity numbers determined in accordance with ISO Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard. Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard.

Active view current version of asrm. Note 1—This standard and ISO address the same subject matter, but differ in technical content.

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. This specification provides for the identification of asm, 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. It is not equivalent to ISO in any other measurement or section X5. The values given in parentheses are for information only.

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. 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.

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Work Item s – proposed revisions of this 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. Link to Active This asrm will always route to the current Active version of the standard. The values given in parentheses are for information only. This test method specifies the same type of pendulum impact test machine as that given in Asmt Method D but introduces a much higher degree of stress concentration into the specimen by double notching with a razor blade.

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. The elongational stress is also be referred to as ZST and flow value, or both. It is advised that the user be familiar with Test Method D before attempting to use this test method. Application of this test method shall be limited to the characterization of virgin, unmodified UHMW-PE resins, not commercially processed products.