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ASTM D4745-14

Standard Classification System and Basis for Specification for Filled Polytetrafluoroethlyene (PTFE) Molding and Extrusion Materials Using ASTM Methods

Automaticky přeložený název:

Standardní systém klasifikace a základ pro specifikaci pro Plněné Polytetrafluoroethlyene (PTFE) pro tváření metody podle ASTM

NORMA vydána dne 1.8.2014

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Informace o normě:

Označení normy: ASTM D4745-14
Poznámka: NEPLATNÁ
Datum vydání normy: 1.8.2014
Kód zboží: NS-28407
Počet stran: 6
Přibližná hmotnost: 18 g (0.04 liber)
Země: Americká technická norma
Kategorie: Technické normy ASTM

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Kategorie - podobné normy:

Ostatní výrobky z pryže a plastických hmot

Anotace textu normy ASTM D4745-14 :

Keywords:
filled compounds, filled polytetrafluoroethylene, fluorocarbon polymers, fluoropolymer, fluoropolymer composites, polytetrafluoroethylene, PTFE, ICS Number Code 83.140.99 (Other rubber and plastic products)

Doplňující informace

1. Scope

1.1 This standard classification system and basis for specification covers polytetrafluoroethylene (PTFE) filled molding compounds made with virgin PTFE resins defined in Specification D4894, as Types II and III.

Note 1: This system can be used as a model for other PTFE compounds having particulate fillers that can survive the sintering temperatures of PTFE as can those listed in this standard. This system is restricted to virgin PTFE base resin for technical reasons. Recycled or reprocessed material cannot be processed successfully.

Note 2: The properties measured on commercially fabricated parts may differ from the listed values for samples prepared by the procedures given in this specification, depending on part geometry and processing parameters.

1.2 The values stated in SI units are to be regarded as standard.

1.3 The following statement applies to the test method portion, Section 11, 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 3: There is no known ISO equivalent to this standard.

2. Referenced Documents

D4894-19	Standard Specification for Polytetrafluoroethylene (PTFE) Granular Molding and Ram Extrusion Materials
D3892-15(2020)	Standard Practice for Packaging/Packing of Plastics
D1600-18	Standard Terminology for Abbreviated Terms Relating to Plastics (Withdrawn 2024)
D883-24	Standard Terminology Relating to Plastics
IEEE/ASTM SI-10	Standard for Use of the International System of Units (SI): The Modern Metric System Available from ASTM International Headquarters, 100 Barr Harbor Drive, West Conshohocken, PA 19428
D792-20	Standard Test Methods for Density and Specific Gravity (Relative Density) of Plastics by Displacement
D1708-18	Standard Test Method for Tensile Properties of Plastics by Use of Microtensile Specimens