DETAILED PRODUCT INFORMATION for...     Wiper arm...         Of the entire range of MOTGUM products, wiper arms prove to be most durable and corrosion-resistant. In the rigorous salt chamber testing process, they achieve a result of well above 480 hours (ASTM B - 117 criteria). Compact, all-metal construction of arms as well as highest quality raw used for their production provide perfect stiffness, which allows for reliable wiper operation regardless of temperature conditions. Metal parts: -  made of strain-hardened steel sheets with anti-corrosion aluzinc    coating above 25µm, -  rolled, zinc-coated steel bars of improved stiffness (C45 material),    with calibrated arm tip for easy and reliable wiper assembly, -  arm heads made of aluminum or aluzinc, -  sleeves and rivets manufactured on precision turning lathes,    made of certified, corrosion-resistant raw materials. -  specially designed, purpose-manufactured springs and joints (CII material),    selected to comply with most rigorous dynamic requirements.    These provide prefect pressure of wiper blade against the windscreen in all conditions. Head cover - made of PBT (Polybutylene Terephthalate) - a plastic resin of exceptional mechanical properties and high endurance to atmospheric factors. Coating  - paint: polyester resin of high resistance to UV radiation and atmospheric factors (salts, acids, exhaust pollution). MOTGUM wiper arms comply with FIAT 9.93606 and DAEWOO EDS - T - 3409 norms regarding functionality and material properties. The manufacturing process is constantly monitored with the help of statistical methods. Additionally, wiper arms are periodically tested to achieve constant, highest-quality level.

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