... .suitable for unsintered tape PTFE fine powder DF-201We supply PTFE moding powder, PTFE fine powder, PTFE aqueous dispersion made ... We sincerely welcome all customers all over the world.PTFE FINE POWDER DF-201 Item DF-201 ExcellentGrade AQualified1Smoothness & ... outside, on the barrel, there should be attached label and quality certificate, on which there are brand, trademark, executive criterion. ...