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Curing Agents

Mixture of test-butylphenol disulphide polymer and stearicacid

 

TB710 is sulfur donor for natural and synthetic rubbers. TB710 produces a high percentage of mono-sulfidic crosslinks that results in vulcanizates with superior aging characteristics. TB710 can be used as either complete or partial replacements for sulfur and thiuram and DTDM sulfur donors in EV and semi-EV type cure systems. In tires TB710 is used in the inneerliner, chafer, bead apex, sidewalls, and tread. Industrial applications include noise damping blocks, motor mounts, dock fenders, elastic threads, automobile engine hoses, gaskets, belts, and other industrial rubber products that require good heat resistance. 

TB710

Mixture of poly-test-Amylphenoldisulfide

HT-V5 is an eco-friendly and no-bloomig sulfur donor. It acts as a vulcanizing agent and an antioxidant because of its phenolic structure. Offers high elastomer solubility and forms mono sulphide bridges with are more stable and have very good resistance to heat and ageing when compared with typical polysulphide bridges. It does not produce nitrosamines like some other sulfur donors such as DTDM and thiurams It can used as either complete or partial replacement for sulfur and thiuram and DTDM sulfur donors in EV and semi-EV type cure systems. HT-V5 can be used in the inner liner, sidewalls and apex of tire.

HT-V5

Caprolactam disulphide 

DTCD is a nitrosamine free and non-blooming Eco-friendly product. It is safe alternative for replacing DTDM as s sulfur donor with a comparable property profile. DTCD works in synergy with the primary accelerators in all common elastomers, such as NR, SBR, NRB, IIR and EPDM.

DTDC (CLD)

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HD OT 20 Oil-treated Insoluble Sulfur

80% Total sulfur 20% total oil

 

HD OT 25 Oil-treated Insoluble Sulfur

75% Total Sulfur

25% Process oil

The product is a non-blooming vulcanizing agent for unsaturated rubbers. It all retard bin scorch, prevent migration of sulfur and preserve surface tack. At vulcanization temperature the product will de-polymerize to solute sulfur and will behave similar to «Rubber Maker’s» sulfur. The product is a special grade with improved flowability and dispersibility. It is used in compounds containing a relatively large sultry loading above the solubility of sulfur in the rubber without non-staining and non-discolouring. The improved product flowability provides easy handing, a less dusty environment and less tendency for product to compact. Temperature should be kept as low as possible during mixing.

HD OT 20 Oil-treated Insoluble Sulfur

HD OT 25 Oil-treated Insoluble Sulfur

HS OT 20 Oil-treated insoluble Sulfur 

80% total sulfur 20% Process oil

 

HS OT in non-blooming vulcanizing agent for unsaturated rubbers. It is insoluble in rubbers, will retard bin scorch, prevent migration of sulfur and preserve surface tack. At vulcanization temperature HS OT 20 will de-polymerizw to soluble sulfur and will preserve surface back. At vulcanization temperature HS OT 20 will de-polymerize to soluble sulfur and will behave similar to «Rubber Maker’s» sulfur. HS OT 20 is a special grade with high thermal stability. It is used in compounds containing a relatively large sulfur loading above the solubility of sulfur in the rubber without non-staining and non-discolouring. The oil-treated product provides a less dusty environment. Temperature should be kept low as possible during mixing.

HS OT 20 Oil-treated insoluble Sulfur 

OT33 Oil-treated Insoluble Sulfur

67% Total sulfur 33% Process Oil 

 

OT 33 is a non-blooming vulcanizing agent for unsaturated rubbers. It is insoluble in rubbers. It will retard bin scorch, prevent migration of sulfur and preserve surface tack. At vulcanisation temperature OT 33 will de-polymerarize to soluble sulfur and will behave similar to «Rubber Maker’s» sulfur. It is used  in compounds containing a relatively large sulfur loading above the solubility of sulfur in the rubber without non-staining and non-discolouring. The product provides a less dusty environment. Temperature should be kept as low as possible during mixing. It can make the textile cord, steel cord and rubber stick solid. It can be used in large dosage rubber products compounds and it is suitable to be used at the mixing temperature below 100 C

OT33 Oil-treated Insoluble Sulfur

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