VESTODUR^® compounds can be used for a wide range of applications, for example, for thin-walled injection-molded parts in electrical engineering applications, for especially dimensionally stable components of high surface quality in the automotive industry, as a barrier layer in multilayer fuel lines, for laser-markable components, and in the cable industry.

Automotive industry

• Housings for electronic controls, alarm systems, ignition coil housings, plug-in connectors, and fuse holders are produced from various VESTODUR^® compounds. All applications essentially require exact dimensional stability, stable electrical properties and high strength; each variety of PBT, fine-tuned to the purpose for which it is intended, also satisfies these requirements and thus provides a high degree of safety. Easy-flowing, fiberglass-reinforced VESTODUR^® compounds withstand high mechanical and thermal stresses. In addition they feature higher impact strength and strain at break than conventional compounds with comparable stiffness. Cases for ABS and EPS systems are made from products with flame retardant.
• Pushbuttons in vehicle interiors with transparent, backlit components are best produced from VESTODUR^® compounds as they bond well to overmolded transparent parts, are dimensionally stable even when subject to heat, and last for a long time, thanks to their resistance to abrasion and stress cracking.
• For parts such as window lifter rails and footrests in tour buses, VESTODUR^® meets the stringent rigidity and torsional strength requirements. In addition frames for sliding roofs benefit from the slow water absorption.
• Chemical and temperature resistance, low tendency to creep and high creep strength, excellent flexibility and high strain at break are some of the special demands on tubes of oil dipsticks. The copolyester compounds VESTODUR^® are the material of choice for these requirements. They also meet the tougher demands on hydrolysis and engine oil stability.
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  For the manufacture of complex headlight frame geometries with accurate fit, we offer various reinforced and non-reinforced VESTODUR^® compounds that are easy to process. The finished headlight frames show high surface quality even suited for high polish chromium plating. Manufactured of a special grade they exhibit very little gassing, even at elevated service temperatures of up to 160°C, thus preventing headlights from clouding.
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  VESTODUR^® compounds used for the barrier layer and adhesive layer in multilayer tubing MLT1000 of Evonik for fuel lines feature very good barrier efficiency and resistance to fuels (including those containing alcohol). The chemical resistance is decisive for melt-blown diesel fuel filters, too.

Medical technology

Specialty VESTODUR^® polybutylene terephthalate compounds are licensed for direct contact with active ingredients. These compounds are easy to process and the moldings made of them are dimensionally stable. They feature low sliding friction. Thus, on the one hand, dimensionally stable housings like pipette housings and functional components of inhalers can be made with them. But VESTODUR^® is also suitable for processing with the melt-blow process, where the structure of the non-wovens produced can be adjusted. They are used as blood filters, for example.

Cable industry

Special high moleculare, extrudable VESTODUR^® compounds have become leading materials for secondary fiber optic jacketing. They perfectly protect the optical fibers due to their  mechanical properties - on demand also with excellent flame retardand characteristics.  

Laser marking

Computer keyboards made of laser-markable VESTODUR^® compounds retain the sharp contours of their lettering, even after millions of keystrokes. High contrast and contour sharpness are also essential for secure transfer of the encoded information in bar codes or data matrix codes. Laser marking is not only possible in parts made of natural-colored resins but also in colored products, with good color constancy. The patented additive allows a high staining depth, but only a small foaming height, so that the inscribed characters are more resistant to abrasion than in other systems. Compounds and markings feature high chemical resistance and light stability.