Chemical Compatibility Chart

Gaskets - Chemical Compatibility Chart

POLYMER Nitrile Elastomer Fluora-
elastomer
Platinum Cured Silicone Elastomer Peroxide Cured Silicone Elastomer Ethylene-Propylene Diene Monomer PolyTetra Fluoro
Ethylene
Poly Steel Polymer
ASTM D-1418 Designation NBR FKM VMQ VMQ EPDM PTFE PTFE/316L
Common Trade Names Buna-N Viton Fluorel Silastic Elastosil Silastic Elastosil Dutral Nordel Fluoropolymer (PTFE)  
Typical Hygienic Industry Designate U SFY RXPX X EPDM G GTS
Hygienic Color Code Red Yellow & White Remains Clear Pink Green X3 Remains White Remains Gray
Specific Gravity (Polymer) 1 1.8 1.1 1.1 0.85 2.13 2.25
Hardness Shore A Durometer (S) 30-95 80 or 75 80 or 70 70 70 55-Shore D 65-Shore D
Maximum Tensile (PSI) 3000 2000 1200 1200 2500 4000 4600
Heat Resistance Intermittent 240ºF 410ºF 580ºF 540ºF 300ºF 450ºF 578ºF
Continuous 210ºF 380ºF 490ºF 460ºF 260ºF 400ºF 526ºF
Low Temperature Resistance -65 -20 -85 -95 -70 -350 -370
Abrasion Resistance Good Good Fair Fair Fair Fair Fair
Ozone Resistance NR Excellent Excellent Excellent Excellent Excellent Excellent
Radiation -Gamma Resistance Good Fair Fair Fair Excellent Excellent Excellent
Recovery after Distortion Good Good Good Good Fair/Good Not Recommended Fair
Tear Resistance HOT Fair Fair Fair Fair Fair Excellent Excellent
Tear Resistance COLD Fair Fair Fair Fair Good Excellent Excellent
Acids, Dilute Good Excellent Good Good Good Excellent Excellent
Alkalis Good Good Excellent Excellent Excellent Excellent Excellent
Alcohol - Glycols Excellent Good Excellent Excellent Excellent Excellent Excellent
Animal Oils & Fats Excellent Excellent Good Good Fair Excellent Excellent
Soaps, Bleaches, Detergents Fair/Good Good Fair Fair Excellent Excellent Excellent
Steam Fair Fair Good Good Excellent Good Excellent
Vegetable Oils Excellent Excellent Excellent Excellent Good Excellent Excellent
Water Good Excellent Fair Fair Excellent Excellent Excellent

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