... ,excellent physical property 4,better service 5,reasonable price PTFE fine powder is suitable for plaster extrusion making small-diameter, thin ... Factor≤3×10-4PACKING,STORAGE AND TRANSPORTATION1. PTFE Fine powder be packed in double layers plastic bag, then placed in cardboard drum ... , batch No., weight and certificate of quality on.2. PTFE Fine powder should be stored in clean, cool and dry warehouse ...