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ASTM D3308 - 12(2022)

Standard Specification for PTFE Resin Skived Tape

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Edition date: 2022-05-01
In Force
Available languages: English
Summary:

This specification covers four types and two grades of skived tapes in specified thicknesses manufactured by skiving from PTFE resin molding and extrusion materials. The four types covered here are: Type I (premium), normally used for exacting electrical, mechanical, or chemical applications; Type II (general purpose), for electrical, mechanical, and chemical applications not requiring premium material; Type III (commercial), for non-critical chemical, electrical, and mechanical applications; and Type IV (utility), having no electrical requirements, and with mechanical properties at lower level. Subsequently, all four types may be subdivided into Grade 1, which is made only from virgin resin, and Grade 2, which may be made using reprocessed resin, or a mixture of virgin and reprocessed resin. Appropriately sampled specimens shall be tested and conform accordingly to the following physical requirements: dimension (length, width, and thickness); melting point; tensile properties (tensile strength and elongation at break); specific gravity; dielectric strength; and non-dielectric strength failure mode electrical flaws.
Keywords: fluorocarbon polymer; fluoropolymers; granular PTFE; polytetrafluoroethylene; PTFE; PTFE basic shapes; PTFE film; PTFE skived tape;
Scope:

1.1 This specification covers skived tape in thicknesses from 0.013 to 6.35 mm (0.0005 to 0.250 in.) manufactured by skiving (Note 1) from PTFE resin molding and extrusion materials.

Note 1: Skiving is the process of continuously shaving a film on a lathe from the outer surface to the core of a molded cylindrical tube of material.

Note 2: Abbreviations have been approved from Terminology D1600.

1.2 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are for information only.

1.3 The following hazard caveat pertains only to the test method portion, Section 8, 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

Note 3: This specification and ISO 13000-1 and ISO 13000-2 differ in approach or detail, and data obtained using either may not be technically equivalent.

1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
ICS: 83.140.10-Films and sheets
CTN: D20.15 - D20.15

Standards Cancellations

Anula a D3308-12R17

Otras Relaciones

Es referenciada por F0336-02R23

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