Physical machanical performance of vulcanzed rubber£º  
 
Serial Number
Item
Technic Index
1
rigidity (shore A Hardness) degree
73-80
2
Back£¬£¥
¡Ý40
3
Tensile Strength£¬MPa
¡Ý7.0
4
Invariable transfiguration compressed forever transfiguration£¬£¥
¢ñ Pattern 90¡æ x 24h
¢ò Pattern 110¡æ x 24h
¡Ü38
5
Ultimate Elongation£¬£¥
¡Ý300
6
Tensile and cold-resistance coefficient£¨-55¡æ£©
¡Ý0.65
7
Changing value of age and rigidity in hot air£¬Degree
¢ñ Pattern 90¡æ x 72h
¢ò Pattern 110¡æ x 72h
+6
 
  Leaving factory checking item£º  
 
Serial Number
Checking Item
Standard Clause
Checking Level
AQL Value
1
Tolerance of dimension
4.2
S-4
0.4
2
Appearance quality
4.3
3
Rigidity
4.4
4
Insulated resistance
4.5
5
CL- Content
4.7
Choose 10g products at random
6
SO42- Content
4.8
 
     
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