Specification Circular Transparent Lenses Model 006
— Boron silicate glass of high chemical stability.
— Of great purity and homogeneity.
— Low thermal expansion coefficient.
— Thermally prestressed which guarantees high mechanical resistance.
— High resistance to sharp changes of temperature, pressure and chemical aggression, guaranteeing a long life.
— Joint surfaces are perfectly flat.
— If the glass is accidentally broken it does not shatter.
— Satisfies the international standards: DIN-7080, Ö Norm M7353, etc
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