... 57mm, no color difference for rod color corross section Clean and white surface, wven texture, no metal residue, residue quanttiy ... to filem, sheet, rod, gasket, txletree and presintered material 13Packing, Storage and transportation1PTFE is packed in double layer PVC bags ... circular barrels outside. On the barrel, there attached label and quality certificate, on which there are brand, trademark, lot ...