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Arkema - High Heat, Low-Set?
News from Harwick

Arkema LogoProblems with high-heat, low-set?
7/15/2011

Peroxides can be used with elastomers to create high-performance compounds for your more demanding products.  Harwick Standard, partnered with Arkema Inc., offers a wide variety of peroxides to the rubber and plastic industries.

Arkema’s Luperox®, Di-Cup®, and Vul-Cup® organic peroxides continue to set the industry standard for crosslinking applications.  These products form strong carbon-carbon cross-linked bonds between polymer chains to fully utilize the engineering capabilities of today’s elastomers by providing improved mechanical and heat resistant properties. 

Arkema has recently developed novel organic peroxide products for various industries.  Their most recently developed “SP” (scorch protected) and “SP2” (double scorch protected) technology utilizes novel trap and re-release of free radicals for fast and efficient cross linking, while providing increased control for compounding and curing operations.  The benefits of these “SP and SP2” products include: uniform cross-linked density for improved physicals, thinner tear-trim, and better hot-tear properties.  In addition, they allow a move from two-pass to one-pass mixing.  They also significantly allow for increased mold-fill, longer extrusion run times, and provides excellent synergy with coagents for faster cures with more scorch time.  These products are effective in a wide variety of elastomers including CPE, EPDM, EPM, EVA, VMQ, SBR, IR, BIIR, NBR and HNBR. 

Arkema also offers an “HP”, high performance grade-peroxide specifically designed to cure FKM type elastomers.  It provides superior (low % compression set) at high temperature with nearly doubled mold-filling ability to reduce scrap.

Their R&D Centers continue to provide innovative products and solutions for wire & cable manufacturing, and the curing of industrial and mechanical rubber products used in automotive, construction, medical and footwear.  Harwick Standard, and Arkema, stand ready to help provide solutions to your high-heat demanding applications.
www.harwickstandard.com