Resin lenses in general are hot solid material, that material to a liquid, after heating the formation of solid lensesDiscount Oakley sunglasses,. PC chip, also known as "space movie", "universe film", the chemical name poly resin carbon acid, is a thermoplastic materiaOakley sunglasses, l. The raw materials for the liquid, the heated shaping the lens, so this lens will be finished after the excessive heat deformation, is not suitable for high heat applications. PC lenses have a strong toughness, not broken (2cm can be used for bullet-proof glass), it is also known safety lenses. The proportion of only 2 grams per cubic centimeter, is the lightest material for lenses. PC lens manufacturer Essilor global devaluation, the advantages of aspheric lenses reflected in the handling and processing hardware processing.
Oakley 0089 PC Space lenses are made with polycarbonate lenses, and general of the resin (CR-39) lenses are essentially the difference! PC is commonly known as bullet-proof glass, so PC lens adhering to the raw material properties of super-excellent impact resistance, and because of the high refractive index and the proportion of light, greatly reducing the weight of the lens, there are more advantages such as: 100% anti- UV 3-5 years will not yellow (ordinary resin will yellow a few months). The lighter weight than ordinary resin film 37%, Wholesale sunglassesimpact resistance is as high as 12 times normal resin!
Commentaires