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NEOPRENE DIAPHRAGM SHEETING
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Premium Grade Neoprene
ASTM Grade
One or two plies of 14 oz nylon
SPECIFIC GRAVITY (gr/cc) 1.41
HARDNESS (Shore A) 70
TENSILE (psi) 1400 min.
ULTIMATE ELONGATION (%) 250 min.
COMPRESSION SET 22 hrs @ 1000C 35% max.
HEAT AGING
70 hrs @ 1000C
Changed
Hardness: + 15 points max. Tensile: - 15% max. Elongation: -40% max.
OIL AGING (#3)
70 hrs @ 100C
Changed:
Hardness: +/- 10 points max. Tensile: - 70% max. Elongation: -55% max. Volume: + 120% max.
TEMPERATURE RANGE (general guideline)
-200 to 2120 F
-290 to 1000C
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