Rayflon is one of largest manufactures of engineering plastic seals. We develop new material seals to meet ... type we use:Fluoroplastics: PTFE, RPTFE, PFA, FEP, PVDF, PCTFEOther engineering plastics: PEEK, PA. POM, PPS, PI, PL, UHMWPE, etc. ... capabilities² Annealing knowledge² Post curing techniques and² Surface treatments Equipment and QC:Advanced production equipments and QC center ensure the ...