dominica NOBS
Category:
dominicaAccelerator
Product Description
Product name: Rubber accelerator NOBS (MBS)
Chemical name: N-oxo diethyl-2-benzothiazole sulfonamide
Molecular formula: C11H12N2S2O
Structural formula:

CAS No.: 102-77-2
Molecular weight: 252.30
Properties: light yellow or orange-yellow particles. Specific gravity 1.34-1.40, soluble in benzene, acetone, chloroform, insoluble in water, dilute acid and alkali.
Uses: NOBS is a kind of post-effective and efficient vulcanization accelerator, in the processing and production of rubber, it can significantly improve the vulcanization speed and effect of rubber, reduce the vulcanization temperature and shorten the vulcanization time, safe processing, easy to disperse. It is suitable for natural rubber and synthetic rubber, mainly used in automobile tires, industrial rubber products, hoses, rubber shoes, rubber gloves, rubber conveyor belts and other industries.
Packing: In kraft paper-plastic composite bag, 25kgs/bag.
Storage: cool, dry, well ventilated, avoid direct sunlight, storage period of 6 months at room temperature under the original seal.
Product specification:(Execution standard: GB/T 8829-2006)
|
Item |
Indicator |
||
| first-rate | first-rate | conformity | |
|
Appearance |
Pale yellow or orange granules | ||
| Initial melting point ℃ ≥ |
81.0 |
80.0 |
78.0 |
| Heating loss % ≤ |
0.4 |
0.5 |
0.5 |
| Ash % ≤ |
0.2 |
0.3 |
0.4 |
| Methanol insoluble matter % ≤ |
0.5 |
0.5 |
0.8 |
| Purity b% ≥ |
97.0 |
97.0 |
一 |
| Free amine % ≤ |
0.5 |
0.5 |
0.5 |
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