General-Purpose TPV Grades combine rubber, plastics properties.

Press Release Summary:

Supplied as natural or black pellets, Viprene® G thermoplastic vulcanizate (TPV) grades are offered in hardness ranges from 45 Shore A to 50 Shore D and combine mechanical performance of thermoset rubber with processing properties of plastics. TPVs offer flexibility at low temperatures as well as long-term resistance in harsh environments and applications where abrasion, chemical, and UV resistance are required. Depending on grade, TPVs can be injection molded, extruded, or blow molded.

Original Press Release:

New Viprene® General Purpose TPV Grades are Now in Stock from Alliance Polymers & Services, LLC (APS)

Formulated to Perform Equally to Competitive Offerings

ROMULUS, MI – Only a few weeks ago, Alliance Polymers and Services, LLC (APS) announced it would be offering its own brands of soft thermoplastic vulcanizates (TPVs) to be sold under the tradename Viprene®.  The first series of products to be offered will be marketed under the tradename of Viprene® G – a general purpose TPV that combines the various mechanical performance properties of thermoset rubber with the processing ease of plastics.  These materials offer good flexibility at low temperatures as well as long-term resistance in harsh environments and demanding applications where abrasion, chemical and UV resistance are required.

Viprene G is formulated to compete with the leading grades of thermoplastic vulcanizates.  They are offered in hardness ranges from 45 Shore A to 50 Shore D and have been developed for applications ranging from appliance and window seals to rollers, mechanical equipment, gaskets, electronic components (cable jacketing), boots and bellows and marine products plus any products that need vibration dampening components.  These general purpose grades match the compression set of the most widely used TPVs.  Viprene G is available as pellets in natural and black.

Depending on the grade selected, Viprene TPVs can be injection molded, extruded or blow molded.

Alliance Polymers and Services LLC  (APS) in Romulus, MI, is a full service warehousing, distribution, shipping and technical service organization dedicated to helping all TPE marketers and processors with their product and technical support needs.  The firm currently produces and sells its own line of TPEs under the Styflex® brand name,  and TPVs under the Viprene® brand name. APS also markets and supports Polymax Maxelast® TPEs and BASF Elastollan® TPUs.   Sales and service are available from APS headquarters in the Detroit area and through independent technical agents located in key cities and markets throughout the North American Continent.

For more information on and samples of the newest APS-branded TPEs for conventional, unique or highly durable applications, contact: Marketing Department, Alliance Polymers and Services LLC, 30735 Cypress Road, Suite 400, Romulus, MI 48174.  Tel: 734-710-6706.   Fax: 734-7106715.  Web:   Email:

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