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    ASTM D4020-01

    Standard Specification for Ultra-High-Molecular-Weight Polyethylene Molding and Extrusion Materials
    • 발행일 : 2001-11-10
    • 발행기관 : ASTM
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분야 08.02 : 플라스틱 (Ⅱ)
적용범위

1.1 This specification provides for the identification of virgin, unmodified ultra-high-molecular-weight polyethylene (UHMW-PE) plastics molding and extrusion materials. This identification is made in such a manner that the seller and purchaser can agree on the acceptability of different commercial lots or shipments.

1.2 It is not intended to differentiate between various molecular weight grades of ultra-high-molecular-weight polyethylene commercially available.

1.3 It is not the function of this specification to provide specific engineering data for design purposes.

1.4 Ultra-high-molecular-weight polyethylenes, as defined in this specification, are those linear polymers of ethylene which have a relative viscosity of 1.44 or greater, in accordance with the test procedures described herein.

1.5 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.

1.6 The following precautionary caveat pertains only to the test method portion. Section 7, of this specification: 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 and health practices and determine the applicability of regulatory limitations prior to use.

Note 1—There is no ISO equivalent specification. However, in ISO 11542-1, a range of viscosity numbers defines the viscosity of UHMW-PE grades. The viscosity numbers are determined in accordance with ISO 1628-3.

국제분류(ICS)코드
페이지수 13
Edition 01

이력정보

No. 표준번호 표준명 발행일 상태
1 ASTM D4020-18 REDLINE상세보기 Standard Specification for Ultra-High-Molecular-Weight Polyethylene Molding and Extrusion Materials 2018-08-01 표준
2 ASTM D4020-18상세보기 Standard Specification for Ultra-High-Molecular-Weight Polyethylene Molding and Extrusion Materials 2018-08-01 표준
3 ASTM D4020-11상세보기 Standard Specification for Ultra-High-Molecular-Weight Polyethylene Molding and Extrusion Materials 2011-09-01 구판
4 ASTM D4020-05상세보기 Standard Specification for Ultra-High-Molecular-Weight Polyethylene Molding and Extrusion Materials 2005-06-01 구판
5 ASTM D4020-01상세보기 Standard Specification for Ultra-High-Molecular-Weight Polyethylene Molding and Extrusion Materials 2001-11-10 구판
6 ASTM D4020-00a상세보기 Standard Specification for Ultra-High-Molecular-Weight Polyethylene Molding and Extrusion Materials 2001-11-10 구판
7 ASTM D4020-01a상세보기 Standard Specification for Ultra-High-Molecular-Weight Polyethylene Molding and Extrusion Materials 2001-11-10 구판

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