Performer TTR models feature only premium materials that have been selected with regard to various aspects: safety, robustness, lightness, non-allergenic, durability, comfort and design.
Front: EMS Grilamid TR 90. The Swiss EMS Group, for 75 years well-known for innovation and quality in the field of plastics chemistry, supplies a material that is ideally wsuited for sports eyewear, featuring high chemical-resistance, low specific weight, excellent bending strength, flexural fatigue strength and high heat resistance - Grilamid TR 90.
Core of nose bridge, front part of temple, rear temple core, screws connecting front and temples: titanium. Titanium is always the preferential material when corrosion resistance, strength and low weight are decisive factors. The non-allergenic material is many times more expensive and more difficult to process than conventional metals that are usually used for optical eyewear.
Fixing screws for nose bridge and frame logos, frame screw socket and frame logo: stainless steel S 30400. Stainless steel S 0400 is the term used for steel with a special purity grade. It is the best choice for small components that have to show maximum resilience. Furthermore, stainless steel is characterized by non-allergenic properties and corrosion resistance.
Nose pads and temple tips: Silicone rubber. Silicone rubber is a hybrid meterial made from anorganic and organic components. Offering hypoallergenic properties, slip resistance, resistance to chemicals, extreme flexibility and pleasant softness, it is - in adapted degrees of hardness - the perfect material for any parts of a sports spectacle with direct skin contact.
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