|Testors Cement is a wonderful choice when needing a strong plastic model glue. This good quality plastic glue is best used for gluing plastic to plastic, such as Polystyrene & ABS plastic. Testors Cement For Plastic Models 5/8 FL. OZ. Quick drying model cement for plastic models. Polystyrene glue joins polystyrene to polystyrene and polystyrene plastic to wood. Plastic adhesive for polystyrene, ABS plastic, acetate, plexiglas and many other plastics. Testors model glue dissolves plastic to form bond.