... suitable for making unsintered tape.16Packing,storage,Transportation 1.PTFE,grade,lot No. and net content,pack date,checker and packer ... used for elastic tape,capillary tub,and the unsintered tape.17.Packing,Storage,Transporation1.PTFE is packed in double layer PVC ... certificate,on which there are brand,trademark,executive criterion,type,grade,lot No. And net content,pack date,checker,packager.2 ...