PS wall panels are commonly known as "organic boards". Their chemical name is polystyrene (PS). They are a kind of thermoplastic amorphous resin. They are colorless, odorless, tasteless and glossy. They are light and cheap. They have low water absorption, good colorability, stable chemical properties, excellent electrical insulation, especially high-frequency insulation. They have certain impact resistance, weather resistance and aging resistance, good light transmittance, can withstand general chemical corrosion, are cheaper than plexiglass (acrylic), and can be processed, bent, screen-printed and foamed.