used for waterproof building materials,SPS aphalt fel,roof waterproof materials ect. ... ,corrosion resisting and various useful.7)This products can be used for building materials, industry and roof waterproof materials ect. itemsunits140GSM160GSM180GSM200GSM220GSM250GSM280GSM ... pull, High temperature resistant,anti-bacteria,anti-mildew,waterproof.It is a good materials of base fabric to made of SPS.