... 66 filament is a material with heat-resistant, good low temperature performance product,high abrasion resistant. Diameter0.10mm or aboveCross-sectionUpon customer ... ,RoHS,REACH,EN71,EEC,PAHsNylon 66 filament is the heat-resistant, good low temperature performance product. And it's also ... able to bear chemicals and oil.Usually it’s used for comb,toothbrush, cleaning brush and industrial use, etc. Nylon ...