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MATERIALS FOR

Automotive Applications 

Rigorous, demanding, precise. Sound familiar?  We understand. Making a commitment to service the automotive industry requires focus and agility not only with material selection, but also when responding to processing questions, order fulfillment, and quality documentation. From OEM approval guidance to responsive collaboration, you can count on Alphagary as a solid supply partner who will help your business perform.

What are you making?

Choose from our proven portfolio or ask us to create a material with your specific performance requirements.

Performance requirements drive our material innovation. For more than 30 years, we’ve developed specialty compounds engineered for the rigors of interior and exterior automotive environments. Our portfolio includes grease-, oil-, and fluid-resistant wiring grades, extrusion compounds designed to meet T1, T2, and T3 temperature classifications, and materials built to withstand up to 125°C for SAE-rated cables. Our trusted PVC, TPE, LSHF, and TPU formulations hold up under outdoor exposure and are engineered to perform—backed by deep expertise and a commitment to helping you meet today’s standards and tomorrow’s challenges.

Formulated for reliability. Custom-fit to your application.

Durable. Functional. Designed to perform. Our compounds are engineered for the full spectrum of automotive applications—from interior components that demand a premium look and feel, to fluid-resistant materials for wiring and harnesses, to high-performance compounds built for EV charging cables. Whatever the application, our materials deliver the reliability, aesthetics, and processing consistency that today’s automotive designs require.

Interior of car showing front seats and windshield

Comfort, crafted for the cabin.

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Compounds designed for durability, fit, and finish—delivering tactile comfort, aesthetic appeal, and protection from outdoor elements like dust and temperature.

Seals for windows, door, sunroof; in-cabin parts like gear-shift knobs and grab handles, seat bellows, floor mats and safety buckle parts.

Close-up of seat in truck showing bellow
Car driving on wet road

Tough on the outside.​

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Materials engineered for long-term flexibility, weatherability, and sealing performance—resisting UV, ozone, and temperature extremes to protect against wind and water.

Seals and gaskets for windows, mirrors, doors, RV campers

RV camper with push-out side
Automotive wires and wire harness

Wired for performance.

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Insulation and jacket materials that meet stringent thermal, electrical, and mechanical requirements for automotive and industrial wiring; molding grades for connectors, strain relief, and harnesses.

Jacket and insulation formulated to meet T1, T2, and T3 standards, UL approval for THHW, BS 7655, ISO 6722, 125C SAE J1127/1128

Wire connector, wire harness
Car hooked to an EV charging cable

Built for the road ahead.

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Compounds designed for demanding EV environments and durable molded components that meet 3rd party standards for safety, flexibility, and thermal stability 

EV charging insulation & jacket - halogen or non-halogen; molded components (battery) SAE J1127 / J1128; UL QMFZ2/8.

Installing battery in car

Compound and Additive Portfolio

With a compounding legacy dating back to the 1980s, we deliver a broad portfolio of polymer compounds and additives tailored for the demands of the automotive industry. Our materials are engineered for consistency, durability, and performance—helping manufacturers build components that stand up to harsh environments, mechanical stress, and long-term use. Each formulation is developed with rigorous process controls and data-backed precision to ensure reliability from design to deployment. Whether for interior, under-the-hood, sealing, or electrical applications, our compounds are built to meet automotive standards and OEM specifications. Share your performance targets with our technical sales team—we’re ready to match you with the right material solution.

Additive for PVC: Plasticizers
MEXIFLEX
General purpose, specialty, and phthalate-free plasticizer grades.
Additive for PVC: Stabilizers
VINASTAB
Calcium-zinc stabilizer systems - a one-pack addition.
LSHF compounds
ECOTEK
For EV charging cables - halogen-free compounds for insulation or sheath, cross-linkable grades (silane), standard EN50620 (from Shakun Polymers)
LSHF compounds
MEGOLON
For EV charging cables - halogen-free compounds for insulation or sheath, cross-linkable grades (e-beam), standard EN50620.
PVC compounds
POLIVISOL
Grades for molding or extrusion. Wiring grades include T1, T2, and T3 options for FLY/FLRY automotive cables with temp range from -40 to 125C.
PVC compounds
SYLVIN
Flexible grades for molding or extrusion include matte-finish options, grades available to satisfy OEM requirements, resistance to grease, oil, and other automotive fluids. Grades for wires and cables include operating temps to 125C for SAE J1127/1128 requirements or UL recognized for THHW and 720 hour sunlight resistance.
PVC compounds
VINAPRENE
High temp, thin-wall for automotive cables - THHW - BS 7655 and ISO 6722.
TPE compounds
EVOPRENE
In-cabin extrusion and molding grades to meet reflectance to fogging test SAE J1756; exterior extrusion grades with good flexibility and versatility, grades with low compression set, grades formulated to bond with engineered plastics such as PC and PA.
TPE compounds
GARAFLEX
For EV charging cables, designed for jacket and insulation 105C cable applications - halogen - 105C rated.
TPU compounds
GARATHANE
For EV charging cables - non-halogen sheath materials, 90C rated with excellent low temp flexibility, standard EN50620.
The brand names ECOTEK, EVOPRENE, GARAFLEX, GARATHANE, MEGOLON, MEXIFLEX, POLIVISOL, SYLVIN, VINASTAB, and VINAPRENE are registered trademarks.

Brand Names

Our portfolio of proven products for automotive applications brings together trusted brand names that reflect decades of performance, innovation, and reliability.

 

As our offerings have grown through continuous R&D and strategic acquisitions, we’ve intentionally preserved heritage brand names in areas of overlap—ensuring continuity for OEMs and suppliers with long-standing material approvals.

 

These names carry a legacy of quality and consistency that engineers and automotive manufacturers rely on, backed by deep material science expertise and a commitment to advancing vehicle performance, safety, and design flexibility.

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