If the thermoplastic material is not heated to the proper temperature it will not bond with the surface. If you're adding fresh material into a pre-melting kettle that is already heating material ...

Fiber tows are spread using a fixed bar spreader with oscillating roller. A melt pump is used to meter the thermoplastic resin flow from the single screw extruder to the impregnation die. A secondary ...

Joining thermoplastics involves heating the material in the welding zone above its melting point so that it becomes plasticized. Unlike the welding of metals, plastics are usually welded without ...