Conforms to ANSI Z87.1-2003; Conforms to DIN EN 166:2002-04 Material:Glass/Polycarbonate/CR-39 CE certificate(DIN) are avail Welding goggles glass / goggles lens  Material: Float Glass Welding eye-protective glass filters can effectively prevent infrared ray and ultraviolet (UV) ray from transmittance and decrease incident light,thus preventing the worker's eyes from damage.Spec.:133×144×3MM;120×100×3MM;110×90×3MM;110×60×3MM;110×55×3MM;108×83×3MM;108×51×3MM;105×50×3MM;98×75×3MM;Round 50MM ×3MM etc.Shade No. from 4 to 10

welding goggles glass