BS 7786:1995 Specification for unsintered PTFE tape. General requirements
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This British Standard specifies requirements for
unsintered polytetrafluoroethylene (PTFE) tapes
with a mass per unit area within the range 25 g/m²
to 300 g/m² and with a thickness in the range
0.05 mm to 0.25 mm.
The general material requirements for three grades
of unsintered PTFE tape are specified, for general
or special engineering applications including tail
stock sealing, thread sealing and/or as an antiseize
agent at temperatures between 270 °C
and +260 °C.
All grades of this tape are suitable for use with
most common liquids and gases.
In addition to the definitive requirements, this
standard also requires the items detailed in clause 3
to be documented. For compliance with this
standard, both the definitive requirements and the
documented items have to be satisfied.
