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U-shaped seal material/material:
Material: L - 98
Specific gravity (ASTM D792) : 1.20
Hardness (ASTM D2240) : 95-2
Tensile strength (ASTM D412) : 588
100% modulus (ASTM D412) : 123
300% modulus (ASTM D412) : 229
22 hours of 70 ℃ compression deformation rate (ASTM D395) : 23
22 hours of 100 ℃ compression deformation rate (ASTM D395) : 35
U working conditions of the oil seal:
The maximum working pressure: 40 mpa
Work speed: 0.03-1.0 m/SEC
Working temperature: - 20 ℃ -- 100 ℃
U type oil seal oil resistance:
Test oil: resistance to abrasion of hydraulic oil
Material: L - 98
Test temperature (℃) : 100/120
100/100 test time (hour)
Hardness range (Shore A) : - 1 / - 1
Tensile strength variation (%) : - 5 / - 29
Volume change (%) : + / 0.08 + 0.1