Details

CRC® Permanent Block/Radiator Sealer, Non-Flammable, Series: Copper Block Weld™, 16 oz Container, Bottle Container, 16 fl-oz Net Weight, Liquid With Metallic Copper Suspension Form, Colorless, Slight Soap Odor/Scent, 212 to 215 deg F Boiling Point, 11 to 11.5 pH, For Use With: Aluminum and Iron Engine Block and Cylinder Head, Composition: Sodium Silicate, Copper, Sodium Nitrite, 1.4 Specific Gravity

• Formulated with copper permanently seals cracks and holes in aluminum and iron engine blocks
• Also seals cracks and holes in cylinder heads all metal and plastic radiators, head gaskets, water pumps and freeze plugs
• 10 years of shelf life
• Plastic safe
• Slow evaporation rate
• This modified liquid glass formula formulated with copper permanently seals cracks and holes in aluminum and iron engine blocks and cylinder heads, all metal and plastic radiators, head gaskets, water pumps and freeze plugs