... Automatic control, temperature plastic, the temperature is accurate, acrylic materials can be reused, no defects, fast, time ... .4m380KG6KW0-300220 Automatic Acrylic Vacuum Machine:1. Machine specially designed for acrylic light box, arylic lighting letters etc.2. ... is a necessary equipment for making acrylic light box, acrylic lighting-letter, acrylic channel letter, acrylic sign macking. It's an ...