PFA (Perfluoralkoxy) holds its shape under stress and high temperatures better than PTFE. Mastedive 2 Piece dual goove 5 cast ion pulley/sheave with 1-3/8 H bushing fo A section belts. This is a high-quality 2-piece pulley that measues 5 outside diamete and is designed to be used with an H style bushing Also Available in 12 wide x 10' long rolls & 24 wide x 10' long rolls When using this PFA Film with 3D printers we strongly recommend using at least 5 MIL or 10 MIL thick film. Perfluoroalkoxy (PFA) Film Purchase .001 / .025mm Feeler Gage Gauge 12 Long Strip 1/2 Wide USA... Pfa Metal Sheets PFA Film / 1 MIL .001" .025Mm Thick / 24" 609.6Mm Wide X 12 304 8mm Long Roll%2f5757311076 Pfa Sheet Material PFA has a temperature range of -320º F. to +500º F. PFA Sheets, Films, .001 Inch to .005 Inch Thickness Use at least 5 MIL or 10 MIL Thick PFA Film w/ 3D Printers Ideal applications for this fluoropolymer are 3D printers, tank and pump linings, UV applications, and gasketing and mold release. Manufactured in the United States. PFA does not meet UL 94V0 for flammability.
