... super-highsensitivity spark protection device It is applicable for PVC,PET,EVA,TPU and other environmental protection film press ... cut the useless edge automatically. It is fit for welding PVC/PVC, PVC/Card, special plastic materials (PE, PS, PC, PET ... blisterwelding, blister and card welding), leather stamp, logo, writing case, toys, plastic cover,cushion and packaging bag welding.Technical parameter ...