SureWerx Sellstrom CR-39 Monomer Long Life Cover Plate | Pack

Clear CR-39 cover plate provides protection from pitting and scratching. Made of durable, heat resistant material containing CR-39 Monomer. Patented CR-39 allyl diglycol carbonate monomer combines the optics of glass with the durability of a thermoset material. The benefits are clear. Lenses made from CR-39 monomer stand up to scratches, heat and household chemicals; has less chromatic aberration than polycarbonate lenses; are lightweight and less prone to shattering than glass.

• CR-39 clear cover plates provide the best protection from pitting and scratching
• Our most popular cover plates
• Made of durable, heat resistant materials containing CR-39 Monomer
• Combines the optics of glass with the added durability of thermostat material
• Superior resistance to scratches, heat and chemicals
• Meets ANSI Z87.1 Basic Impact standards and Federal Specs GGG-H-211D (not to be used as an impact plate)
• Refractive index value - 1.98
• Abbe value - 59.3
• Density - 1.31 g/cm3
• Plate thickness 0.056 in
• Individually bagged