N550 imparts medium abrasion resistance, high strength, low shrinkage, and die swell. Provides fast, smooth extrusions and relatively high resilience. Used in tire carcasses, cushion gum, tubing, cable jacketing, plastic conduit compounds and in extruded goods requiring excellent dimensional stability.
N326 is Low structure, high reinforcement, high tensile strength, very resistant to tear and chipping in natural rubber compounds. Used in mechanical goods, tire carcasses, belts, and off the road tread.
N330 provides good abrasion resistance with high resilience, easy processing, and good tensile and tear properties. Wide range of applications in tires treads,sidewalls,tire soles process and others.
N351 provides good abrasion resistance in the N330 range. High structure, high modulus black with easy processing characteristics. Excellent dynamic properties. Used in the tire tread and carcass compounds, mechanical goods and others.
N774 is Moderately reinforcing grade, low heat generation, gives high resilience and excellent dynamic properties.
Used in tire carcasses and sidewalls, innerliners, hoses, tapes . Particularly suitable for non- polluting rubber materials.
|
Property |
N326 |
N330 |
N351 |
N550 |
N774 |
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|
Iodine Adsorption No.(g/kg) |
82 ± 5 |
82 ± 5 |
68 ± 5 |
43 ± 5 |
29 ± 5 |
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|
DBP No.(10-5m3/kg) |
72 ± 5 |
102 ± 5 |
120± 5 |
121 ± 5 |
72 ± 5 |
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|
DBP No. Compressed Sample(10-5m3/kg) |
62~74 |
82~94 |
89~101 |
80~90 |
58~68 |
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|
CTAB No.(103m2/kg) |
74~86 |
73~85 |
68~80 |
36~48 |
26~38 |
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|
STSA(103m2/kg ) |
70~82 |
69~81 |
64~76 |
34~44 |
24~31 |
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|
NSA Multipoint(103m2/kg) |
72~84 |
72~84 |
65~77 |
35~45 |
25~35 |
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|
Tinting Strength(%) |
103~119 |
96~112 |
93~107 |
— |
— |
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|
Heating Loss (%≤) |
1.5 |
1.5 |
1.5 |
1.5 |
1.5 |
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|
Ash Content (%≤) |
0.5 |
0.5 |
0.5 |
0.5 |
0.5 |
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|
45μm Sieve Residue(%≤) |
0.050 |
0.050 |
0.05 |
0.050 |
0.050 |
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|
500μm Sieve Residue(%≤) |
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