Spot welding sealant is a one-component, heat-curing, pumpable, and weldable adhesive. This product is mainly a one-component adhesive composed of synthetic rubber, PVC resin, epoxy resin, fillers, and additives. According to different requirements, it can be divided into intumescent and non-intumescent.

Main Application

1. Non-expandable (high-strength) spot welding glue is mainly used for car bodies such as wheel drums, frame, roof, front engine room, rear trunk cover, etc., which have higher strength and require higher adhesion (the gap after spot welding is larger Small) site.

2. Intumescent (low-strength) spot welding glue is mainly used for steel plate welding lap joints with larger gaps. Note: In actual use, the car manufacturer needs to determine the specific use location and usage dosage according to their respective production processes.