Welding Blanket Protective Material Fiberglass Protective Material Coating Uncoated Maximum Temperature 1 000 Degrees F Overall Length 6 ft Overall Width 4 ft Protective Material Color Tan Protective Material Weight 18 oz/sq yd Protective Material Thickness 0.04 in Grommet Location Two on Each Corner Resistance Properties Abrasion Resistant Spark Resistant Standards FM Approved Duty Rating Light Grommet Spacing 24 in Fastener Type Grommets Features Heat Cleaned