This document specifies the technical requirements, test methods, inspection rules, marking, packaging, transportation and storage of water-swellable sealing tapes (new raw material tapes). This document is applicable to the production and delivery of goods for inspection of intumescent sealing tapes made of special non-woven fabrics as the base material and compounded with polymer water-absorbing swelling agents and moisturizing tackifiers on the surface for sealing pipe threaded connections.
T/CHBAS 28-2023 history
2023T/CHBAS 28-2023 Water-swellable sealing tape (new raw material tape)