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Description of ASTM-D3308 2012ASTM D3308 - 12Standard Specification for PTFE Resin Skived TapeActive Standard ASTM D3308 | Developed by Subcommittee: D20.15 Book of Standards Volume: 08.02 ASTM D3308Abstract
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. This abstract is a brief summary of the referenced standard. It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application. ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date. 1. 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. 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 and health 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. ASTM Standards D149 Test Method for Dielectric Breakdown Voltage and Dielectric Strength of Solid Electrical Insulating Materials at Commercial Power Frequencies D374 Test Methods for Thickness of Solid Electrical Insulation D618 Practice for Conditioning Plastics for Testing D638 Test Method for Tensile Properties of Plastics D792 Test Methods for Density and Specific Gravity (Relative Density) of Plastics by Displacement D882 Test Method for Tensile Properties of Thin Plastic Sheeting D883 Terminology Relating to Plastics D1389 Test Method for Proof-Voltage Testing of Thin Solid Electrical Insulating Materials D1600 Terminology for Abbreviated Terms Relating to Plastics D3892 Practice for Packaging/Packing of Plastics D4894 Specification for Polytetrafluoroethylene (PTFE) Granular Molding and Ram Extrusion Materials Keywords fluorocarbon polymer; fluoropolymers; granular PTFE; polytetrafluoroethylene; PTFE; PTFE basic shapes; PTFE film; PTFE skived tape ; ICS Code ICS Number Code 83.140.10 (Films and sheets) DOI: 10.1520/D3308-12 ASTM International is a member of CrossRef. ASTM D3308This book also exists in the following packages...Subscription InformationMADCAD.com ASTM Standards subscriptions are annual and access is unlimited concurrency based (number of people that can access the subscription at any given time) from single office location. For pricing on multiple office location ASTM Standards Subscriptions, please contact us at info@madcad.com or +1 800.798.9296.
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