ASTM-D4020 2005

$44.96

D4020-05 Standard Specification for Ultra-High-Molecular-Weight Polyethylene Molding and Extrusion Materials

Published By	Publication Date	Number of Pages
ASTM	2005	13

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Categories: 83.140.99 - Other rubber and plastics products, ASTM

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Description

1.1 This specification provides for the identification of virgin, unmodified homopolymer 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 , 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 1There 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.

PDF Catalog

PDF Pages	PDF Title
1	Scope Referenced Documents Terminology
2	Classification Materials and Manufacture Sampling Test Method Keywords A1. DILUTE SOLUTION VISCOSITY A1.1 General Description A1.2 Apparatus A1.3 Reagents
3	A1.4 Procedure A1.5 Calculation X1. IMPACT TEST METHOD FOR ULTRA-HIGH-MOLECULAR-WEIGHT POLYETHYLENE X1.1 Scope X1.2 Referenced Documents X1.3 Apparatus X1.4 Test Specimen
4	X1.5 Notching of Specimens X1.6 Conditioning X1.7 Procedure FIG. X1.1 FIG. X1.2
5	X1.8 Report X1.9 Precision and Bias X2. MEASUREMENT METHOD OF IMPERFECTIONS IN SPECIMEN NOTCHING X2.1 X2.2 Apparatus X2.3 Procedure X2.4 Calculation TABLE X1.1 FIG. X2.1
6	X3. ELONGATIONAL STRESS TEST METHOD FOR ULTRA-HIGH MOLECULAR-WEIGHT POLYETHYLENE X3.1 Scope X3.2 Referenced Documents X3.3. Terminology X3.4 Apparatus X3.5 Reagents FIG. X3.1
7	X3.6 Procedure X3.7 Calculation FIG. X3.2
8	X3.8 Precision X4. VISCOSITY AVERAGE MOLECULAR WEIGHT OF ULTRA-HIGH MOLECULAR-WEIGHT POLYETHYLENE X4.1 Scope X5. ABRASION INDEX OF UHMWPE USING AN ALUMINUM OXIDE SLURRY X5.1 Scope X5.2 Referenced Documents X5.3 Terminology X5.4 Apparatus
9	X5.5 Reagents X5.6 Test Specimen X5.7 Conditioning FIG. X4.1 TABLE X5.1 FIG. X5.1
10	X5.8 Test Procedure X5.9 Calculation X5.10 Report X5.11 Precision and Bias TABLE X5.2
11	X6. PROPERTIES AND TEST CONDITIONS FOR UHMW-PE X6.1 X6.2 Referenced Documents TABLE X6.1

Additional information

Standard Title	D4020-05 Standard Specification for Ultra-High-Molecular-Weight Polyethylene Molding and Extrusion Materials
Published Code	ASTM
Publication Date	2005
Pages Count	13
ICS Codes	83.140.99 - Other rubber and plastics products

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ASTM-D4020 2005

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