b'Light Weight Belting Specification SheetCatalog # 139 Pulley Diameter, MinimumItem number: 30633Description:3 Ply CR135 TWG AS SFMBInternational Designation:E24/3 0/N31 TWG SBR AS A) Normal Flex (152.40 mm) 6.0000 inB) Back Flex (304.80 mm) 12.0000 inConstruction:Compound Top Cover Tan Nit Belt Strength:Top Cover Thickness (in) (4.24 mm) 0.1670Pull for 1% Elongation (24 N/mm) 135 lbs/sq inlbs/PIWTop Cover Description Wedgegrip Splice Instructions:Top Cover Shore 45Compound Bottom Cover Treated Duck Foil NoBottom Cover Thickness (in) (0.00 mm) 0.0000 in Splice Process Step ColdBottom Cover Description Bare Press Temperature (F) 300 FBottom Cover Shore N/A Press Pressure (psi) 30 lbs/sq inNote:Listed above is a guideline only.Every vulcanizer is different and will Number of Plies 3 show different results.We recommend that you do a test splice with your Anti Static Yes press before attempting the actual belt splice.Overall Gauge (in) (7.87 mm) 0.3100 inUnit Weight- lb/PIW 0.1208 lbs/PIW Other:Material Between Plies Nitrile Cross Rigid YesMaximum Width (in) 72 in High Heat NoTemperature Range (F)- High 212 F Impression Top YesTemperature Range (F)- Low -6 F Oil Resistant YesFire Resistant NoFDA Approved NoSpecial 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.*****All Values are nominal and subject to change without notice.*****'