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By certification 
Chemical Index
TA1 TA2 A1 A0 Fine1 Fine2
Name Unit Content
Moisture %≦ 1 1 1 1 1 1
Ash Content %≦ 10 10 10 12 12 15
Acetone Extract %≦ 18 18 22 20 25 28
Physical Index
Specific Gravity g/cm3≦ 1.18 1.18 1.24 1.20 1.26 1.35
Tensile Strength Mpa≧ 15 12 10 12 8 6.5
Elongation At Break %≧ 420 400 380 400 350 300
Mooney Viscosity 1+4≦ 90 90 80 80 85 85
TA1 TA2 A1 A0 Fine1 Fine2
Name Unit Content
Moisture %≦ 1 1 1 1 1 1
Ash Content %≦ 10 10 10 12 12 15
Acetone Extract %≦ 18 18 22 20 25 28
Physical Index
Specific Gravity g/cm3≦ 1.18 1.18 1.24 1.20 1.26 1.35
Tensile Strength Mpa≧ 15 12 10 12 8 6.5
Elongation At Break %≧ 420 400 380 400 350 300
Mooney Viscosity 1+4≦ 90 90 80 80 85 85
