Let the more environmentally friendly polymer materials to better serve human life.

EPS

Expandable polystyrene (EPS) consists of polystyrene micro-pellets or beads containing a blowing agent and other additives for foaming. It is one of the most popular materials for packaging and building insulation.The most commonly used initiators in EPS production are BPO75%, DCP, TBPB and TBPO.

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BPO 75%

BPO 75% is a wet granular of diacyl peroxide, used as initiator of polymerization in expandable polystyrene(EPS),acrylic resins and curing agent for unsaturated polyester resin and elastomers.

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DCP

Dicumyl peroxide is white crystalline.Melting point of 41-42℃. Relative density of 1.082.Decomposition temperature 120-125℃ room temperature stable. Gradually become yellowish under light. insoluble in water, soluble in ethanol, ether,acetic acid, benzene and petroleum ether.

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TBPB

TBPB is an efficient initiator for the ethylene polymerization under high pressure in bothautoclave and tubular processes,also suitable for crosslinking of EPDM rubber compounds atambient temperature within some weeks.

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TBPEH

TBPEH used as initiator for monomer polymerization, such as ethylene, styrene and methacrylate; also used for curing unsaturated polyester resin.

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About Us

Changzhou JOHO Chemical Co., Ltd., a subsidiary of Shanghai ICASON New Material Co., Ltd., represents the Group's strategic focus on polymer crosslinking, curing, and initiation technologies.