JB WELD JB Weld Radiator Weld plastic tank & radiator repair kit is a product designed for permanent or temporary repairs on both metal and plastic radiators and plastic liquid storage containers from leaks caused by cracks or holes. This kit is not recommended for plastic repairs or for use with polyethylene or polypropylene plastic parts.

Features

• Can be used on cracks of 4in or less and holes up to 1/4in in diameter.
• Kit contains epoxy putty, fiberglass cloth, sandpaper and applicator brush.
• Stops leaks.
• No removal required.