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Rubber accelerator CBS-80

Inquiry
  Post Date: May 23,2014
  Expiry Date: Nov 19,2014
  Detailed Description: Cas No. :95-33-0 Quantity: 300Metric Tons
CBS-80   Predispersed Rubber Chemicals
Basic accelerator for sulfur cured diene rubbers, e.g. EPDM, NR, BR, SBR, esp. for tire and antivibration applications.
 
Chemical name: N-cyclohexyl-2-benzothiazolesulphenamide
Chemical formula: C13H16N2S2
M.W.: 264.4
CAS: 95-33-0
EINECS: 202-411-2
 
Product Description

Composition
80% N-cyclohexyl-2-benzothiazyl sulphenamide based on 
specification,  20% EPDM binder and dispersing agents
Appearance
Blue Granules
Density 
Approx. ~ 1.19 (20℃, g / cm³)
Physiological properties: See safety data sheet (MSDS)
Melting Point
~  96℃
Evaporation Loss
≤ 0.5 %
CBS Content
≥ 94 %
Insoluble in Ethanol
≤ 0.4 %
Ash Content
≤ 0.4 %
Sieve Residue 63µm
≤ 0.1 %
Free Amine
≤ 1.0 %
 
 

Use Characteristics:

The curing accelerator CBS-80 provides a considerably long scorch time, great processing safety and a fast full cure. CBS-80 is used as a sole accelerator for the low sulphur vulcanization or in combination with dithiocarbamate or thiuram accelerators. The vulcanizates obtained have good ageing resistance and a good compression set. The scorch time of compounds containing CBS-80 in combination with thiurams and dithiocarbamates is noticeably reduced. Thiourea has a strong secondary acceleration effect on CBS-80, mainly in mixes containing little sulphur. In compounds which are accelerated with mercaptanes and thiu-rams, CBS-80 may delay scorching.

Processing Advantages The thermoplastic, excellent compatible EPDM/EVA binder which is combined with active dispersing promoters allows much more easy quickly incorporation and excellent dispersion in the rubber mixing. In this way, optimal activity of the effective CBS is assured.

 
Dosage
NR: primary:  0.5~1.0 phr with 2.5~3.5 phr sulphur
secondary:  0.5 phr with 1.5~3.0 phr sulphur and 0.3 phr mercapto or thiuram accelerators
SBR: 1.0~1.4 phr with 1.5~2.5 phr sulphur and 0~0.2 phr thiuram accelerator
 
Applications Automotive and construction profile, Tire treads, air hoses, conveyor belts, footwear and other technical articles.
 
Packing: Net weight 25kg/PE bags lined carton; Net 600 kg/pallet. Pallet size: 1.1x1.1x1m
 
Storage: In original closed containers under cool and dry conditions max. 2 years.
 
Handling: Consult material safety data sheet (MSDS) for additional handling information. 
 

  CAS Registry Number:

95-33-0
  Synonyms: ;N-Cyclohexyl-2-benzothiazolylsulfenamide;Accelerator CZ;N-cyclohexyl-2-benzothiazole Sulfenamide;CBS;2-(cyclohexylaminothio)benzothiazole;accicurehbs;benzothiazyl-2-cyclohexylsulfenamide;conaca;conach;conacs;curax;cyclohexyl-2-benzothiazolesulfenamide;delacs;ekagomcbs;n-cyclohexyl-2-benzenethiazolesulfenamid;n-cyclohexyl-2-benzothiazolesulfenamid;n-cyclohexyl-2-benzothiazylsulfenamide;noccelercz;pennaccbs;rhodifax16;royalcbts;sancelercm-po;N-(1,3-benzothiazol-2-ylsulfanyl)cyclohexanamine;Acelerator CZ;Rubber Accelerator CBS;Rubber Accelerator CZ;ACCELERATOR CBS (CZ);ACCELERATOR CBS;
  Molecular Formula: C13H16N2S2
  Molecular Weight: 264.4095
  Molecular Structure: 95-33-0 N-cyclohexylbenzothiazole-2-sulphenamide

  Company: Qingdao Trustone Chemical Industry Co., Ltd.     [ China ]        
  Contact: Esther Zhang
  Tel: +86-532-85919676
  Fax: +86-532-85919677
  Email: esther@trustonechem.com
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