1. Also known as Bakelite, it is a colorless or yellowish-brown transparent substance, available in three forms: liquid, solid, and powder. 2. Divided into two categories: thermosetting plastics and thermoplastic plastics. 3. It has low free aldehyde content, small odor and less smoke during operation, and has good environmental performance. 4. Excellent heat resistance, adhesion, flame resistance, acid resistance, flame retardancy, water resistance and insulation, good mechanical and electrical properties, and easy to cut.