item

kind

N220

N330

N550

N660

Iodine adsorption NO.(g/kg)

121土7

82土7

43土6

36土6

DBP

NO.(10^-5m/kg)

114土7

102土7

121土7

90土7

Compressed Sample.(10^-5m/kg)

90-106

80-96

77-93

66-82

CT NO.(10³M²/kg)

102-120

73-91

35-49

29-43

NSA multipoint (10³M²/kg)

112-126

71-85

34-46

29-41

TINT strength

108-124

96-112

Moisture

2.5%max

2.5%max

1.5%max

1.5%max

Ash

0.7%max

0.7%max

0.7%max

0.7%max

500um Sieve residue

0.0010%max

0.0010%max

0.0010%max

0.0010%max

45um Sieve residue

0.100%max

0.100%max

0.100%max

0.100%max

Pure

no

no

no

no

Stress at 300% Elongation MPa

-2.3土1.6

-0.9土1.6

-0.9土1.6

-2.6土1.6

Cgaracterustucs of Vuicanized rubber

HIGH REINFORCING,

HIGH TEAR RESISTANCE

GOOD PROCESSING

MEDIUM HIGH REINFORCING AND MODULUS, GOOD PROCESSING

MEDIUM HIGH REINFORCING，HIGH MODULUS AND HARDNESS, SMOOTH SURFACE OF EXTRUSION

MEDIUM HIGH REINFORCINGAND MODULUS, GOOD FLEX RESISTANCE LOW HEAT BUILD UP