Standard ptfe tape mainly for pipe fittings,thread joint for water,natural gas,oils,liquids and air...in machinery,chemical... PTFE Thread ... Seal TapeProfessional PTFE tapes mainly for natural gas, water, petroleum oils ... 8N/mm2PERCENTAGE ELONGATON: ≥25%IDENTITY:INSULATION,CORROSION RESISTANCE ANTI-AGING Standard PTFE thread seal TAPE