NOBS
NOBS
CHEMICAL STRUCTURE: 
CHEMICAL NAME: N-Oxydiethylene-2-benzothiazole sulfonamide
MOLECULAR FORMULA: C11H12N2S2O
MOLECULAR WEIGHT: 253.35
CAS NO.: 102-77-2
PROPERTIES:
MBS is light yellow or orange crystal/granule. Density is 1.34-1.40.
No poison, with a little bit odor of ammonia.
Soluble in benzene, acetone, chloroform.
Insoluble in water, acid and alkali with lower concentration.
APPLICATION:
MBS is an excellent delayed accelerator. Its performance is similar to CZ with better scorch safety.
Widely used in NR, IR, SBR, NBR and EPDM.
Mainly used in manufacture of tyres, shoes and belts.
Can be used alone or with other vulcanization accelerators such as thiurams guanidines and dithiocarbamates to improve the activity.
QUALITY STANDARD:
ITEM | CRYSTAL | GRANULE |
appearance | LIGHT YELLOW OR ORANGE CRYSTAL (GRANULE) | |
initial melting point | 80.0℃ min | 80.0℃ min |
loss on drying | 0.30% max | 0.30% max |
ash | 0.30% max | 0.30% max |
granule diameter | / | 1.50 |
PACKING & LOADING:
Packed in Kraft paper bags of 25kgs net each with P.E. liner inside, or jumbo bags.
12Mt per 20’GP, 24Mt per 40’GP, palletized.
SHIPPING MARKS: Neutral export standard. Also can be customized.
STORAGE VALIDITY: 1 year.