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Accelerator MBT(M)-80

Cas No.: 149-30-4 Granule
Chemical Name: 2-mercapto-benzthiazol
Einecs No.: 205-736-8
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Product description
Parameters

Pre-dispersed Accelerator MBT(M)-80

 

Structural Formula

Molecular Formula C7H5NS2

Molecular Weight 167.26

Cas No. 149-30-4

Chemical Name 2-mercapto-benzthiazol

Einecs No. 205-736-8

 

Typical Properties

Accelerator

2-mercapto-benzthiazol(MBT(M))

Percent Active

80%

Binder

EPDM/EVA

Appearance

cream granule

Density

~1.33g/cm(20℃)

 

Product Description MBT(M)-80 is a multifunctional accelerator with long plateau of curing curve, and imparts good mechanical properties to vulcanizate. It is used as retarder in non-sulfur rubber compound system, and can delay set-up of vulcanization in CR system. Many accelerators, such as, aldehyde amine, guanidine, thiuram and dithiocarbamate, impart active effect to MBT(M)-80.

 

Processing Characteristics Generally, MBT(M)powderadheres to devices easily, disperses difficultly in mixing process. However, MBT(M)-80has good dosing and mixing property, and won’t cake at ordinary temperature and humidity. It has good fluidity, no irritating dust and no material loss. It keeps optimal activity of MBT(M)and easily disperses in kinds of rubber compounds. Recommend that MBT(M)-80 is added at last stage of mixing.

 

Dosage In NR or SBR system:

            As primary accelerator, 1.0~2.0 phr MBT(M)-80 with 2.0~3.0 phr sulfur;

            As secondary accelerator, 0.5 ~1.0 phr MBT(M)-80 phr with 0.2~0.3 phr TMTD-80 and 1.5 phr sulfur;

           In curing system without sulfur: 0.5 phr MBT(M)-80 with 3.0~4.0 phr TMTD-80;

           In IIR system: 0.5~1.0 phr MBT(M)-80 with 0.5~1.5 phr TMTD-80 and 1.0~2.0 phr sulfur.

 

Applications MBT(M)-80 is used for kinds of products, e.g. rubber hoses, conveyer belts, driving belts and cable sheaths, etc..

 

Packaging Coextruded paper bags lined with plastic film, net weight 25Kg/bag.

 

Storage Store in a cool, dry, well-ventilated area away from sunlightfor up to 1 year..

 

Safety and toxicity Refer to related MSDS.

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