CLAMP GASKET PERFORMANCE CHART | ||||||||||
PROPERTY | BUNA-N | EPDM FDA/NSF61 | PTFE | FKM | SILICONE | |||||
TENSILE STRENGTH | GOOD | GOOD - EXCELLENT | EXCELLENT | EXCELLENT | GOOD | |||||
ELECTRICAL PROPERTIES | POOR | EXCELLENT | EXCELLENT | GOOD | EXCELLENT | |||||
WEATHER RESISTANCE | GOOD | EXCELLENT | EXCELLENT | EXCELLENT | EXCELLENT | |||||
OZONE RESISTANCE | POOR | EXCELLENT | EXCELLENT | EXCELLENT | EXCELLENT | |||||
HEAT RESISTANCE | GOOD (250°F) | EXCELLENT (300°F) | EXCELLENT (500°F) | EXCELLENT (400°F) | EXCELLENT (450°F) | |||||
COLD RESISTANCE | GOOD (-30°F) | GOOD - EXCELLENT (-20°F) | EXCELLENT (-100°F) | GOOD (-30°F) | EXCELLENT (-40°F) | |||||
STEAM RESISTANCE | EXCELLENT | EXCELLENT | EXCELLENT | EXCELLENT | GOOD | |||||
TEAR RESISTANCE | GOOD | GOOD | EXCELLENT | GOOD | GOOD | |||||
ABRASION RESISTANCE | GOOD | GOOD | EXCELLENT | GOOD | GOOD | |||||
ACID RESISTANCE | POOR - GOOD | GOOD - EXCELLENT | EXCELLENT | GOOD | GOOD | |||||
PETROLEUM OIL | EXCELLENT | POOR | EXCELLENT | EXCELLENT | POOR - GOOD | |||||
FLAME RESISTANCE | POOR | POOR | EXCELLENT | GOOD | POOR | |||||
VEGETABLE OIL | EXCELLENT | GOOD | EXCELLENT | EXCELLENT | GOOD (INTERMITTENT) | |||||
USP CLASS VI | NO | YES | YES | YES | YES | |||||
ANIMAL OILS & FATS | EXCELLENT | POOR | EXCELLENT | EXCELLENT | GOOD | |||||
ALCOHOL, GLYCOLS | EXCELLENT | EXCELLENT | EXCELLENT | GOOD | EXCELLENT | |||||
SOAPS, BLEACHES, DETERGENTS | POOR | EXCELLENT | EXCELLENT | GOOD | POOR | |||||
THE ABOVE CHART IS INTENDED AS A GUIDLINE, ACUTAL PERFORMANCE MAY VARY WITH EACH APPLICATION. | ||||||||||