... .Used for plastic floor connecting. Linoleum Flooring Accessories Plastic Welding Roll Shanghai Unitech Plastic Co.,Ltd have pvc welding wire ,plastic ... , Flame retardant, Anti microbial, non-toxic. Uses:1.Slot by hand, or electric device slotted slit. In order to secure the ... welding rod Diameter 4mm , length :100m/rollDiameter 5mm , length 100m/roll Diameter 6mm , length 100m ...