Welding Curtain - 13 OZ Flame Retardant Vinyl Laminated Polyester (Black, 6' x 10'). This welding curtain is made from non-transparent vinyl laminated polyester fabric. Strong, and lightweight. Provides protection from harmful UV rays and reduce the visible flash. Can also used for workspace partitioning. Blocks most UV radiation. Fabric Weight: 13 oz. / sq. yd. Meet California Fire Marshal Flame Retardant Standards. Panels have grommets every 1 ft on all 4 sides. Fabric rolls have NO grommets or hems.