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Accelerator TDEC-75

Pre-dispersed accelerator TDEC-75 combined with thiazoles, thurams and dithiocarbamates can fast cure EPDM and IIR. A little TDEC-70 can cut down curing time.
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Product description
Parameters

Structural Formula

Molecular Formula C20H40N4S8Te

Molecular Weight 721

Cas No. 20941-65-5

Chemical Name tellurium diethyl dithiocarbamate

Einecs No. 244-121-9

 

Typical Properties

Accelerator

tellurium diethyl dithiocarbamate (TDEC)

Percent Active

75%

Binder

ethylene-propylene-diene monomer/ethylene-vinyl acetate copolymer (EPDM/EVA)

Appearance

yellow to tawny granule

Density

~1.23g/cm3 (20℃)

 

Product Description Pre-dispersed accelerator TDEC-75 combined with thiazoles, thurams and dithiocarbamates can fast cure EPDM and IIR. A little TDEC-70 can cut down curing time. TDEC-75 is especially applicable for rubber compounds containing much oil, such as, solid EPDM seals with low hardness and spongy seals.

 

Processing CharacteristicsGenerally TDEC powder easily adheres to devices and has bad dispersion in mixing process. But TDEC-75 has 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 TDEC and easily disperses in kinds of rubber compounds. Suggest that TDEC-70 is mixed at last stage.

 

Dosage It is a auxiliary accelerator when combined with thiazoles, thurams and dithiocarbamates, and generally the dosage is less than 0.5 phr.

 

Applications Widely used for manufacturing auto seals and rubber hoses, architectural seals, vapour and acid resistance hoses, cables sheaths and insulation products.

 

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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Rm. 504, No.1398, PingLiang Rd.,Yangpu District, Shanghai, China 

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The company insists on independent innovation, and has obtained a number of scientific research achievements and invention patents in the fields of rubber chemicals and ultrafine materials.

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