... optical performance CE,ISO9000 2.Material: PVC,ABS,GLASS Black Solder glass Noval Solder Glass description:Noval Welding glass ... ,welding glass manufacturer. Welding equipment, welding helmets, welding wire, Welding glass shade no.3, Welding glass shade no. ... : 1.1mm, 1.5mm, 2mm, 3mm2. Color: Clear, Black, Green, Gold etc. Noval Welding glass detailed SpecificationThickness2mm51*108mm30*110mm89 ...