... WELCOMED.100%PTFE masking tape,masking tape,tape,seal tape. 100%PTFE masking tape:Easy to use ... various chemical corrosive of Pipesand valves interface.3, seal water pipe plumbing tape can be long term used ... temperature between -190°C to +360°C.4, seal water pipe plumbing tape is used in hardware, construction ... hope to have a great corporation with you,if you have any question,pls contact us,thanks for ...