Sulfonamides--Rubber Accelerator NOBS(MBS) 

Chemical Name: N-Oxydiethylene-2-benzothiazole sulfonamide
structure:
Molecular Formula: C₁₁H₁₂N₂S₂O
Molecular Weight: 253.35
CAS NO: 102-77-2
Specification:

Item	Crystal	Granule
Appearance	Light yellow or orange crystal (granule)
Initial M.P.οC≥	80.0	80.0
Loss on drying%≤	0.30	0.30
Ash%≤	0.30	0.30
Granule Diameter, mm	\	1.50

Properties: Light yellow or orange crystal (granule). No poison with a little odor of ammonia. The density is 1.34-1.40. Soluble in benzene, acetone. chloroform, insoluble in water, acid, and alkali with lower concentration.

Application: An excellent delayed accelerator. The performance is similar as CZ with better scorch safety Widely used in NR, IR, SBR, NBR and EPDM. Can be used alone or with other vulcanization accelerators such as thiurams, guanidines and dithiocarbamates to improve the activity. Mainly used in manufacture of tires, shoes and belts.

Packaging: 25kg plastic woven bag. paper with plastic film bag, kraft paper bag, or jumbo bag.

Storage: The product should be stored in the dry and cooling place with good ventilation, avoiding exposure of the packaged product to direct sunlight. The validity is 8 months.