Standard Specification for PTFE Tubing, Miniature Beading and Spiral Cut Tubing
STANDARD published on 1.12.2020
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Designation standards: ASTM D3295-20
Publication date standards: 1.12.2020
The number of pages: 7
Approximate weight : 21 g (0.05 lbs)
Country: American technical standard
Category: Technical standards ASTM
This specification covers PTFE tubing, miniature beading and spiral cut tubing-manufactured from PTFE resin produced from dispersion. Five groups of PTFE tubing, miniature beading and spiral cut tubing, differentiated by size and type are presented. The groups are further subdivided into classes based on wall thickness: group 01 - tubing based upon the AWG sizes, group 02 - tubing based upon fractional inch sizes, group 03 - tubing based upon inner diameter and wall thickness, group 04 - tubing cut to form spiral wrap, and group 05 - miniature beading. The types are further differentiated in accordance with increasing wall thickness as follows: class 1 - light wall, class 2 - thin wall, class 3 - standard wall, class 4 - chemical tubing, and class 5 - heavy wall. The tubing and miniature beading shall be made of PTFE meeting the requirements prescribed. The melting point, specific gravity, weight loss, tensile strength, elongation, dielectric breakdown voltage, heat resistance, and dimensional stability shall be tested to meet the requirements specified.
Keywords:
coagulated dispersion PTFE, fluorocarbon polymer, fluoropolymers, miniature beading, polytetrafluoroethylene, PTFE, PTFE extruded tubing, spiral cut tubing, thin-walled tubing,, ICS Number Code 23.040.20 (Plastic pipes)