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Rubber Accelerator TBBS/NS

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1. Chemical Name: N-tert-butyl-2 - benzothiazole sulfenamide
Names of similar products at home and abroad: NS, TBBS, Vulkacit N2, Accicure BSB


2. Molecular Formula: C11H14N2S2


3. Structural Formula


Molecular weight: 238
CAS registry number: 95-31-8


4. Technical Requirements
a. Our normally produced TBBS meets the following technical indicators


Powder Oil treated powder Granule Detection method
Appearance (visual observation) White or light yellow powder White or light yellow powder White or light yellow granule GB/T21840-2008:4.1
Initial melting point ℃ ≥ 104.0 104.0 104.0 GB/T21840-2008:4.2
Heating loss % ≤ 0.40 0.40 0.40 GB/T21840-2008:4.3
Ash content % ≤ 0.30 0.30 0.30 GB/T21840-2008:4.4
Sieve residue (150um) % ≤ 0.05 0.05 - GB/T21840-2008:4.5
Substance insoluble in methanol % ≤ 0.50 0.50 0.50 GB/T21840-2008:4.6
Free amine % ≤ 0.50 0.50 0.50 GB/T21840-2008:4.7
Oil content % - 1.0-2.0 - Q/FX001-2008
Average particle strength N - - 0.3-1.0 Q/FX002-2008
Max. particle strength N - - 1.5 Q/FX002-2008
Chalking rate (20 mesh) % ≤ - - 3.0 Q/FX004-2008
Product performance standard GB/T21840-2008


b. We can make products according to customer requirements.


c. The mixing of any foreign matters is completely eliminated.


d. Packaging quality satisfies customer requirements.


5. Property
TBBS is white or light yellow powder. Its density is 1.26-1.32g/cm3. It is soluble in benzene, chloroform, carbon disulfide, propanol, methanol, and ethanol; difficult to dissolve in gasoline; and insoluble in water, dilute acid, and dilute alkali.

Rubber Accelerator TBBS/NS

6. Use
NS is an aftereffect accelerator. It features short vulcanization time, excellent scorch resistance, and safe processing. It is widely used for the manufacture of various rubber products, especially the processing of radial tires.


7. Packaging
Woven bag lined with plastic bag or kraft paper bag, 25kg/bag; or as per customer requirements


Related Names
Accelerating Agent Supplier | Rubber Absorber Manufacturing | Vulcanization Accelerator

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