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2/23/2018 | 1 MINUTE READ

Low-Gloss PVC Compounds for Automotive Window Encapsulation

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OEM-approved Apex 1523-LG compounds from Teknor Apex retain PVC cost advantage over elastomers, are scratch- and mar-resistant, and facilitate precise color matching.

Teknor Apex is showcasing the new Apex 1523-LG Series compounds, designed for automotive window encapsulation. They are said to exhibit gloss levels similar to those of EPDM rubber beltline seals or glass run channels, enabling manufacturers of PVC encapsulated windows to meet OEM demand for a closer match in the surface finish of these critical appearance parts. These compounds achieve a gloss level of 3 to 4 without need for surface treatment of the tooling. Standard window encapsulation PVC compounds fall in the 9 to 12 range. Apex 1523 compounds eliminate the cost associated with tooling maintenance and repair to keep a consistent surface appearance from part-to-part. This series has several OEM approvals, including GM’s GMW-16084 spec for quarter windows and sunroofs from Chrysler.

“Our introduction of low-gloss compounds is particularly important since PVC is the dominant material for window encapsulation and is valued by manufacturers for its advantages over elastomers,” says Steve McCormack, industry manager of the Teknor Apex Automotive Group. “Like standard PVC, new Apex 1523-LG Series formulations are relatively low in cost, provide better scratch and mar resistance, excellent bonding to glass, and superior colorability. In fact, Teknor Apex can match to any color and supply uniform product no matter how many places in the world a customer carries on manufacturing.”

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