Organic board is a non-crystalline thermoplastic resin, colorless, odorless, tasteless and shiny, lightweight and inexpensive, low water absorption, good color, chemical stability, with excellent electrical insulation, high-frequency insulation plus, there is a certain degree of impact resistance, weather resistance and aging resistance, good transparency, the ability of the general chemical corrosion, can machining, bending, screen printing, plastic. PS plate commonly known as "organic board," the chemical name Polystyene polystyrene, density 1.02 to 1.08 is a thermoplastic, high transparency (light transmittance after the plexiglass), has excellent electrical insulation, high-frequency insulation preferred, more brittle quality, impact resistance, weather resistance and resistance to aging plexiglass relatively poor mechanical properties and processing properties and thermal processing better than glass, resistant to chemical corrosion in general, chemical stability, hardness comparable with plexiglass, water absorption and thermal expansion coefficient of less than plexiglass, plexiglass relatively inexpensive price. Acrylic (PMMA), commonly known as plexiglass, chemical name Poly (methyl methacrylimide) polymethyl methacrylate, methyl methacrylate is polymerized from monomer MMA made. Is a thermoplastic, the density of 1.19 to 1.20, there is a high degree of transparency, the transmission rate of up to 92 ~ 93%, 99% can be transparent to visible light, ultraviolet light, 72%, and weighs only 1/2 of ordinary glass, anti-fragmentation Performance of 12 to 18 times that of ordinary silica glass, the mechanical strength and toughness greater than 10 times more than ordinary glass, hardness equivalent to aluminum, has outstanding weather resistance and aging resistance, at a low temperature (-50 ~ 60 ℃) and higher temperature (100 ℃ or less) the same impact strength, good electrical insulation properties, is resistant to the arc, good processing properties of thermoplastic, easy molding, good machining properties, can be sawing, drilling, milling, turning, planing processing, chemical stability, the ability of the general chemical corrosion, insoluble in water. PMMA has a very beautiful appearance, after polishing with a crystal-like crystal gloss, alias "Plastic Crystal Queen." Cons: not as good as the hardness of steel, ceramics, glass and other inorganic silicon products. Water absorption and thermal expansion coefficient is large. Plexiglass uses: plexiglass because of their special nature are widely used in guesthouses, hotels, stadiums, airport terminals, bus shelters, schools, outdoor advertising light boxes.