PC polycarbonate, commonly known as polycarbon. It is not flammable. When the external fire is forced to burn, it emits black smoke. There are small particles in the burning place, and the flower and fruit are rot. Whether the material is good or bad, the toughness is good. The general board material is polymer PC (good material), but pay attention to the coating (scraping the surface with a knife, if it is a very fine powder, it is coated) There are users who remove coatings in China, but the labor costs are lower, that is, the price is lower. General product materials are medium or high or low, depending on product needs, such polycarbons are most common, such as shades (coated) in the game machine transparent parts, optical lenses and electrical enclosures, etc., transparent and There is a certain gap between other colors or black prices. Low-molecular PC - commonly seen in record materials (VCD, CD, etc.), is now low in price. Almost all polycarbonates used as plastics contain bisphenol. Their color reaction with p-methylaminobenzaldehyde or Gibss indophenol test gave positive results at the time of identification. The polycarbonate is completely saponified by heating in a 10% solution of potassium hydroxide in ethanol for a few minutes. During the reaction, potassium carbonate is precipitated, filtered, and acidified by dilute sulfuric acid to precipitate carbon dioxide gas. Barium carbonate precipitation occurs when a barium hydroxide solution is added. Concerned about surprises Tags: PC identification and identification Previous: Identification of ABS and PS methods Next: DBS208 diffusion silicon pressure transmitter features structure Self Level Adjustable Paver Pedestal Adjustable Paving Pedestal,Self Level Adjustable Paver Pedestal,Hardwearing Floor Panels Pedestal,Raised Floor Support Jiangxi Taurus Technology Co., Ltd , https://www.chinapedestal.com
PC identification and identification