Catalog # 139 Description: 3 Ply CR135 TWG AS SFMB International Designation: E24/3 0/N31 TWG SBR AS Item number: 30633 Pulley Diameter, Minimum A) Normal Flex B) Back Flex (152.40 mm) 6.0000 in (304.80 mm) 12.0000 in Construction: Compound Top Cover Wedgegrip Tan Nit Top Cover Description (4.24 mm) 0.1670 lbs/PIW Top Cover Thickness (in) Bottom Cover Description Bare Compound Bottom Cover Treated Duck Bottom Cover Thickness (in) (0.00 mm) 0.0000 in Number of Plies 3 Anti Static Yes Overall Gauge (in) (7.87 mm) 0.3100 in Unit Weight- lb/PIW 0.1208 lbs/PIW Material Between Plies Nitrile Maximum Width (in) 72 in Temperature Range (°F)- High 212 °F Temperature Range (°F)- Low -6 °F Top Cover Shore 45 N/A Bottom Cover Shore Special Characteristics: The 139 belt has a special construction designed for SFMB (Surface Finishing Machine Belt) applications. This belt has a 3 ply highly cross rigid monofilament carcass that will maintain the integrity across the width and lay completely flat for sanding applications, the end result is NO EDGE CURL. The high friction positive diamond wedge grip profile is ideal for perforated vacuum sanding systems, top cover is non-marking and oil resistant with a low friction treated duck bottom fabric. Developed specifically for use on machines finishing wood and wood products. Pull for 1% Elongation (24 N/mm) 135 lbs/sq in Belt Strength: Splice Instructions: Foil No Splice Process Step Cold Press Temperature (°F) 300 °F Press Pressure (psi) 30 lbs/sq in Note: Listed above is a guideline only. Every vulcanizer is different and will show different results. We recommend that you do a test splice with your press before attempting the actual belt splice. Other: Cross Rigid High Heat Yes No Impression Top Yes Oil Resistant Yes Fire Resistant No FDA Approved No *****All Values are nominal and subject to change without notice.***** Light Weight Belting Specification Sheet