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ASTM D4020-01a

Standard Specification for Ultra-High-Molecular-Weight Polyethylene Molding and Extrusion Materials (Includes all amendments And changes 8/16/2017).

Automatische name übersetzung:

Standard-Spezifikation für ultra-hochmolekulares Polyethylen -Formmassen

NORM herausgegeben am 10.11.2001

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Informationen über die Norm:

Bezeichnung normen: ASTM D4020-01a
Anmerkung: UNGÜLTIG
Ausgabedatum normen: 10.11.2001
SKU: NS-25752
Zahl der Seiten: 13
Gewicht ca.: 39 g (0.09 Pfund)
Land: Amerikanische technische Norm
Kategorie: Technische Normen ASTM

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Die Annotation des Normtextes ASTM D4020-01a :

Keywords:

extrusion materials, molding materials, plast, polyethylene, ultra-high-molecular-weight, UHMW-PE, viscosity, ICS Number Code 83.140.99 (Other rubber and plastic products)

Ergänzende Informationen

1. Scope

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.

2. Referenced Documents

D883-26b	Standard Terminology Relating to Plastics (Includes all amendments and changes 8/24/2026).
D618-21	Standard Practice for Conditioning Plastics for Testing
D4703-24	Standard Practice for Compression Molding Thermoplastic Materials into Test Specimens, Plaques, or Sheets
E691-23	Standard Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method
C1444-00	Standard Test Method for Measuring the Angle of Repose of Free-Flowing Mold Powders (Withdrawn 2005)
D4703-24	Standard Practice for Compression Molding Thermoplastic Materials into Test Specimens, Plaques, or Sheets
D256-26	Standard Test Methods for Determining the Izod Pendulum Impact Resistance of Plastics
D1601-18(2026)	Standard Test Method for Dilute Solution Viscosity of Ethylene Polymers
D883-26b	Standard Terminology Relating to Plastics (Includes all amendments and changes 8/24/2026).
ISO 11542–2	Plastics--Ultra High Molecular-Weight Polyethylene (PE-UHMW) Moulding and Extrusion Materials--Part 2: Preparation of Test Specimens and determination of Properties
IEC 60695-11-10	Fire Hazard Testing, Part 11-10 Test Flames 50 W Horizontal and Vertical Flames
D256-26	Standard Test Methods for Determining the Izod Pendulum Impact Resistance of Plastics
D635-22	Standard Test Method for Rate of Burning and/or Extent and Time of Burning of Plastics in a Horizontal Position
D638-22	Standard Test Method for Tensile Properties of Plastics
D648-18	Standard Test Method for Deflection Temperature of Plastics Under Flexural Load in the Edgewise Position
D790-25	Standard Test Methods for Flexural Properties of Unreinforced and Reinforced Plastics and Electrical Insulating Materials
D792-20	Standard Test Methods for Density and Specific Gravity (Relative Density) of Plastics by Displacement
D1894-24	Standard Test Method for Static and Kinetic Coefficients of Friction of Plastic Film and Sheeting
D1895-24	Standard Test Methods for Apparent Density, Bulk Factor, and Pourability of Plastic Materials
D2240-15(2021)	Standard Test Method for Rubber Property—Durometer Hardness
D2951-00	Standard Test Method for Resistance of Types III and IV Polyethylene Plastics to Thermal Stress-Cracking (Withdrawn 2006)
E313-20(2025)	Standard Practice for Calculating Yellowness and Whiteness Indices from Instrumentally Measured Color Coordinates
ISO 1628-3	Plastics--Determination of Viscosity Number and Limiting Viscosity Number--Part 3: Polyethylenes and Polypropylenes
ISO 11542-2	Plastics--Ultra-High Molecular Weight Polyethylene (PE-UHMW) Moulding and Extrusion Materials--Part 2: Preparation of Test Specimens and Determination of Properties
ISO 11542–2	Plastics - Ultra-high-molecular-weight polyethylene (PE-UHMW) Moulding and Extrusion - Part 2: Preparation of test specimens and determination of properties
D1921-25	Standard Test Methods for Particle Size (Sieve Analysis) of Plastic Materials

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