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EPDM/PTFE GASKET offer a unique double convex ring design that gives optimum sealing with only one third the torque commonly required with flat faced gaskets.TCI offers EPDM/PTFE GASKET from 1/2" to 12"; PTFE-bonded EPDM gaskets in sizes from 1/2" to 12"; and PVDF-bonded EPDM gaskets from 1/2" to 10".
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EPDM - durometer A, hardness 65 - 68
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PTFE or PVDF-bonded EPDM for maximum corrosion resistance
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Perfect sealing at low bolt tightening torque ratings; longer gasket life
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Ideal for plastic piping systems, as well as metal or plastic-lined metal systems
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Working temperature:
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Approximately tne third bolt tightening torque ratings as compared with flat or envelope type gasket
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Thickness of bonded materials
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PTFE: All Sizes: 0.016" (0.4mm)
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PVDF:Sizes 1/2" - 2": 0.016" (0.4mm)
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PVDF:Sizes 3" - 10": 0.020" (0.5mm)
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PTFE-bonded gasket excellent for most corrosive chemicals
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PVDF-bonded gasket is ideal for the following:
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Semi-conductor industry, because of its purity
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Aggressive chemicals (strong acids, bases, halogens, etc.)
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Media that generates any volatile gas (PVDF gas permeation is only 1/50 of PTFE)
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Both the PTFE and PVDF-bonded gaskets employ a proprietary laminating process for bonding to EPDM, providing the greater elasticity required for lower sealing torques
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