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Rubber Accelerator NOBS(MBS)
Identification:
Chemical Name: N-Oxydiethylene-2-benzothiazole sulfonamide
Synonym: 2-(4-Morpholinothio)-benzothiazole; 2-benzothiazolylsufenylmorpholine; Rubber Accelerator NOBS; Rubber Accelerator MBS
CAS NO.: 102-77-2
Structural Formula:
Molecular Formula: C11H12N2S2O
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.
Specifications:
Item | Crystal | Granule |
Appearance | Light yellow or orange crystal (granule) | |
Initial M.P. ℃ ≥ | 80.0 | 80.0 |
Loss on drying % ≤ | 0.30 | 0.30 |
Ash % ≤ | 0.30 | 0.30 |
Granule Diameter mm | \ | 1.50 |
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.
Packing& Storage:
25kg plastic woven bag. paper with plastic film bag, kraft paper bag, or jumbo bag.
Stored in the dry and cooling place with good ventilation, avoiding exposure of the packaged product to direct sunlight. The validity is 8 months.