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resin lens You May Also Be Interested In: cr 39 flat resin resin for lens resin lens welding goggles
1. Instruction
CR-39 flat resin is made up by special craft, its mainly material is resin CR-39 and auxiliary with other materials.
2. Purpose
Our products is always popular use in protecting welding goggles and auto- darking liquid crystal glass. It has advantage of strong strength, against impact, dont cling welding remnant, light weight and coefficient of penetrating ray is above 90%
3. Standard:
It satisfy importers standard after test of fire resistance, cold or heat and coefficient of penetrating ray .
4. Specifications
On the standard thickness of 1.2mm, it has below specifications
108mmW51mm 97mmW47mm 110mmW83mm
108mmW76mm 110mmW90mm 83mmW60mm 133mmW114mm
and other specification is produced according to the customers requirement.