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Vulcanizator DTDM-80

Cas No.: 103-34-4 Granule
Chemical Name: 4,4'-dithiodimorpholine
Einecs No.: 203-103-0
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Product description
Parameters

Pre-dispersed Vulcanizator DTDM-80

 

Chemical Name 4,4'-dithiodimorpholine

Structural Formula

      

Molecular Formula C8H16NO2S2

Molecular Weight 236

CAS No. 103-34-4

EINECS No. 203-103-0

 

Typical Properties

Accelerator

4,4'-dithiodimorpholine(DTDM)

Percent Active

80%

Binder

EPDM/EVA

Appearance

white to cream granule

Density

~1.24g/cm(20℃)

 

Product Description DTDM-80 can release free sulfur under normal vulcanizating conditions and is different from general sulfur to form single and double sulfur bond. It won’t present like dithio-thiuram blooming. Acidic component in rubber compounds causes DTDM-80 poor scorch safety. DTDM-80 is usually used in rubber compounds required low compression set and high heat ageing resitance.

 

Processing Characteristics DTDM powder adheres to devices easily and disperses difficultly in mixing process. However, DTDM-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 DTDMand easily disperses in kinds of rubber compounds. Recommend that DTDM-80 is added at last stage of mixing.

 

Dosage In sulfur curing system:

Rubber Compound

Curing System

NR/SBR with

light-colored filler, phr

NR/SBR with

CB, phr

NBR, phr

IIR, phr

DTDM-80

1.0 ~ 2.0

1.0 ~ 2.0

1.0 ~ 2.0

1.2 ~ 2.0

S-80

0.25 ~ 1.0

0.25 ~ 1.0

0 ~ 0.5

1.0 ~ 1.75

CBS-80

0.5 ~ 0.75

1.5 ~ 3.0

MBTS-80

0.3 ~ 0.5

1.0 ~ 2.5

TMTD-80

0.3 ~ 0.5

0.5 ~ 2.5

1.0 ~ 2.5

 

In non-sulfur curing system:

DTDM-80            1.25 ~ 2.0 phr

CBS-80              1.0 ~ 1.5 phr

TMTD-80           1.0 ~ 1.5 phr

 

Applications DTDM-80 is used in NR products with anti-reversion and SBR, NBR and EPDM articles with heat ageing resistance.

 

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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