QB/T 3628-1999
PTFE Tape for Thread Sealing (English Version)
- Standard No.
- QB/T 3628-1999
- Language
- Chinese, Available in English version
- Release Date
- 1989
- Published By
- Professional Standard - Light Industry
- Status
- 2010-10
- Replace By
- QB/T 4008-2010
- Latest
- QB/T 4008-2022
- Scope
- This standard specifies the acceptance requirements and methods for unsintered tapes (green tapes) without any additives made by pressing and calendering PTFE dispersion resin. This standard applies to PTFE raw material tapes used for sealing threaded joints and sealing in contact with strong oxidants and flammable and explosive chemicals.
QB/T 3628-1999 history
- 2022 QB/T 4008-2022 PTFE green tape (raw material tape) for thread sealing
- 2010 QB/T 4008-2010 PTFE unsintered tape for thread sealing (raw tape)
- 1989 QB/T 3628-1999 PTFE Tape for Thread Sealing
QB/T 3628-1999 PTFE Tape for Thread Sealing was changed to QB/T 4008-2010 PTFE unsintered tape for thread sealing (raw tape).
