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HOUSTON (January 29, 2008) – ExxonMobil Chemical has introduced new grades of Santoprene™ thermoplastic vulcanizates (TPVs) that bond with nylon in cold insert over-molding applications. The new B500 grade family, which is colorable or black, has been developed for applications that require a very strong bond with nylon and high temperature resistance, such as power tools, kitchen tools, automotive applications, furniture and sporting goods.
Exhibiting high bond retention values, the new grades enable the design and manufacture of nylon parts coupled with the quality performance properties of a TPV. These properties include long-term sealability; a durable slip resistant feel; excellent compression set; chemical, oil and heat resistance; and enhanced bond integrity to extend product life.
“The exceptional cohesive bond of these Santoprene TPVs enables overmolds as thin as 0.5 mm to be achieved. Competitive materials can require a thickness of at least 1.5 mm to attain a similar bond,” said Bill Ramsey, market segment manager, ExxonMobil Chemical. “The new B500 grades are ideal for use in high-torque power tools which require reliable, non-slip grips, or in kitchen tools needing strong, heat resistant, soft touch handles. Automotive applications including heating and air-conditioning components and electrical seals benefit from an effective molding capability.”
The cold insert molding grades, available in Shore 60 and 75 A, can also generate new opportunities for processors of Santoprene TPVs. Previously, nylon bonding TPVs have required two-shot injection molding, which generally is more cost efficient for high-volume applications. “This latest addition to our bonding grade portfolio has been developed to provide molders with more economical processing options and to allow designers more flexible creativity,” said Ramsey.
About ExxonMobil Chemical
ExxonMobil Chemical is a global leader in technology, product quality and customer service with petrochemical manufacturing and/or marketing operations around the world.
About ExxonMobil Chemical’s specialty elastomers
ExxonMobil Chemical offers customers one of the industry's broadest portfolios of specialty elastomer products. This includes Santoprene™ brand TPVs, Vistamaxx™ specialty elastomers, Vistalon™ EPDM (conventional and metallocene catalyst), Exxelor™ modifiers and Exact™ plastomers. These products provide innovative elastomeric solutions combined with global support in material selection, design, processing, and supply chain management.
Note to Editors:- Vistamaxx, Vistalon, Exxelor and Exact are trademarks of ExxonMobil Chemical. Santoprene is a trademark of an Exxon Mobil Corporation affiliate.
- The term "ExxonMobil Chemical" refers collectively to some or all of the companies affiliated with Exxon Mobil Corporation which have chemical manufacturing and/or marketing operations around the world.
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ExxonMobil News Media Desk: (281) 870-6607
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ExxonMobil Chemical’s new Santoprene™ TPV B500 nylon bonding grades can provide a durable non-slip grip, chemical, oil and heat resistance, and enhanced bond integrity to extend product life for applications such as this Milwaukee power tool. (Photo courtesy of Milwaukee Electric Tool Corporation) Click here for a larger image. |
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