Product Description
The polycarbonate protective lens(PC lens) mainly used in the electric welding of goggle piece and the fluctuation light liquid crustal board protection. This product has the feature of the anti-abrasion, the lightly weight, the anti-impact, good penetrability. This product also has the optical property that the protection glass have. The main performance index is as follows: Serial number Project Technical specification 1 Prism diopter(X) -0.06D≤ X≤ +0.06D 2 Equivocation ≤ 0.03 3 Transmissibility 0.85≤ 4 Inflaming retarding ≤ 76mm(3 in)/min 5 Dimensional tolerance (Y) -0.8≤ Y≤ +0.8 The usage Open the package, take out the product, overlaps with the welding glass in the same place, installs in daylight opening of the welding screen, inside of the welding glass. Installs with care in order to avoid rubing and scratching the product, if not, it will affect the superficial cleanness Thickness: 1.0mm, 1.2mm, 1.5mm Size: 2"x4-1/4" 4-1/2"x 5-1/4" 165× 110 133× 144 120× 100 110× 90 110× 80 110× 60 110× 55 108× 83 108× 51 105× 50 98× 75 Round 50MM etc.