... 4. Non toxic formula. HWAP Group can offer below classification: PVC Welding rod, Linoleum Welding Line, Rubber Welding Wire, Triangular Shape ... Description:Our welding line are all welded with hot melt for PVC Floor and others. After welded, it can make floor ... 's growing. Each welding wire have a plastic core for wire use and save.Materials Features:PVC with anti-bacterial ,flame retardant ,stain ...