IS 14643 : 1999 Unsintered Polytetrafluoroethylene (PTFE) Tape for Thread Sealing Applications - Specification

1 Scope

1.1 This standard prescribes the requirements, method ofsampling and tests for unsintered polytetrafluoroethylene (PTFE)tapes for use as a thread sealing material and in similarapplications.

2 References

IS 554 :1985Dimensions for pipe threads where pressure tightjoints are required on the threads

IS 1239 : Part 1 :1990 Mild steel tubes, tubulars and otherwroughtsteel fittings: Part 1 Mild steel tubes

IS 1381 : Part 2 :1977 Boiling flasks:Part 2 Flasks with conical ground socket

IS 5165 :1969Interchangeable conical ground - glass joints

IS 10640 :1983Soxhlet extractors

IS 12305 :1983Laboratory sintered (fritted) filters, porositygrading, classification and designation

IS/ISO9000Quality management and quality assurancestandards

Part 1 :1994Guidelines for selection and use

Part 2 :1998General guidelines for the application ofISO 9001, ISO 9002 and ISO 9003

IS 14635 :1993Polytetrafluoroethylene (PTFE) materials formoulding and extrusion