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EYE PROTECTION . PHYSICAL AND CHEMICAL PROTECTION. Polycarbonate Strongest material for impact resistance Lightweight Can be coated for scratch resistance Most have built-in UV radiation protection Plastic (CR39) About one-half the weight of glass Resistant to solvents and pitting
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PHYSICAL AND CHEMICAL PROTECTION Polycarbonate Strongest material for impact resistance Lightweight Can be coated for scratch resistance Most have built-in UV radiation protection Plastic (CR39) About one-half the weight of glass Resistant to solvents and pitting More choices for coatings and tinting Glass High-density material (heavy lenses) Loses impact resistance if scratched Does not meet impact criteria as set by CSA
EXAMPLE OF CHEMICALS IN EYES Sulphuric acid splash
EYE PROTECTIONSAFETY GLASSES Visitor glasses versus Safety Glasses
EYE PROTECTIONGOGGLES • Splash and multi-directional particulate protection • Depending on the use, may be required to be worn under a face shield