BS 6564-3:1990

This standard BS 6564-3:1990 Polytetrafluoroethylene (PTFE) materials and products is classified in these ICS categories:

• 83.120 Reinforced plastics
• 83.080.20 Thermoplastic materials

This Part of BS 6564 specifies requirements for fabricated E glass fibre filled polytetrafluoroethylene (PTFE) products which may occur in several forms, available in the grades, subgrades and types as indicated in Table 1.

NOTE 1 E glass is defined in BS 3447 as “a glass containing not more than 1 % of alkali (calculated as Na₂O) and used for the manufacture of glass fibres”.

NOTE 2 The titles of the publications referred to in this standard are listed on the inside back cover.

Specifies three levels of glass filling and two levels of performance.