Our HF Welding Machine for Waterproof Bags adopts high-frequency dielectric heating technology, specially designed for welding and sealing PVC, TPU, EVA waterproof flexible materials. It forms solid, fully waterproof and airtight seams without adhesive. The welded joint has high tensile strength and will not peel or leak. It is widely used for making dry bags, waterproof storage bags, outdoor waterproof pouches, diving bags and waterproof protective bags.
