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If you need to convert any units you have between Imperial and Metric figures please Click Here.
Units to be Used Input strictly in Inches - Result in Pounds Input strictly in Cm's - Result in Kg's
Core Diameter Finish Diameter
Over Build Face Length
Specific Gravity if not known -> Select from List HW Series 25 duro = 1.13 HW Series 35 duro = 1.15 HW Series 45 duro = 1.26 NB Series 25 duro = 1.13 NB Series 35 duro = 1.19 NB Series 45 duro = 1.25 Nitrile 25 duro = 1.10 Nitrile 35 duro = 1.18 Nitrile 45 duro = 1.22 Nitrile 60 duro = 1.32 Nitrile 80 duro = 1.36 Nitrile 90 duro = 1.36 Natutal Rubber 25 duro = 1.10 Natural Rubber 35 duro = 1.14 Natural Rubber 45 duro = 1.18 Natural Rubber 60 duro = 1.22 Natural Rubber 80 duro = 1.26 Natural Rubber 90 duro = 1.28 Neoprene 25 duro = 1.18 Neoprene 35 duro = 1.33 Neoprene 45 duro = 1.45 Neoprene 60 duro = 1.57 Neoprene 80 duro = 1.6 Neoprene 90 duro = 1.63 EPDM 25 duro = 1.05 EPDM 35 duro = 1.12 EPDM 45 duro = 1.19 EPDM 60 duro = 1.26 EPDM 80 duro = 1.25 EPDM 90 duro = 1.28 Hypalon 35 duro = 1.16 Hypalon 45 duro = 1.18 Hypalon 60 duro = 1.33 Hypalon 80 duro = 1.56 Hypalon 90 duro = 1.43 XNBR 45 duro = 1.06 XNBR 60 duro = 1.17 XNBR 80 duro = 1.28 XNBR 90 duro = 1.32 NBR/PVC 25 duro = 1.07 NBR/PVC 35 duro = 1.12 NBR/PVC 45 duro = 1.24 NBR/PVC 60 duro = 1.33 NBR/PVC 80 duro = 1.32 NBR/PVC 90 duro = 1.33
Fudge Factor
Result
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