Liquid Plastic Welder Formulated For The Plastic Modeler, Exactly the same as ProWeld and Tenax-7R, except for the name! Solvent-type cement uses capillary action to weld styrene, acrylic, butyrate and ABS plastic. To apply, place the parts together and then put a drop on the seam. Hold for 15 seconds. In that amount of time, SAME STUFF bonds and starts to cure.