J-B Weld RadiatorWeld Radiator Repair Kit is a product designed for permanent or temporary repairs of radiators made from metal and other materials. RadiatorWeld repairs cracks of 100 mm (4″) or less and holes up to 6.35 mm (1/4″) diameter. Once cured, it is chemical resistant and withstands temperatures up to 120?C (250?F). This kit is not recommended for polyethylene or polypropylene repairs.

Suitable for:

• Metal fuel tanks
• Radiators
• Metal water tanks
• Aquarium seams

Use on:

• Metal
• Iron
• Steel
• Copper
• Stainless Steel
• Some plastics (except PE & PPE)