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The use of industrial plastic rice(4)

Second, thermosetting plastics

1, phenolic plastic

(PE) A certain strength and hardness, high wear resistance, heat resistance, good insulation and corrosion resistance, high rigidity, low hygroscopicity, small deformation, simple forming process, and low price. Disadvantages are crisp, non-alkaline plugs, switches, telephones, instrument boxes, brake pads for automobiles, crankshafts for internal combustion engines, silent gears in textile machines and instruments, acid-resistant pumps for chemicals and household appliances.

2, epoxy plastic

(EP) High specific strength, good toughness, heat resistance, cold resistance, corrosion resistance, insulation, waterproof, moisture-proof, mold proof, good forming processability and dimensional stability. Poisonous, high price Plastic molds, precision measuring tools, potting electrical appliances, preparation of aircraft paint, tanker paints, can coatings, printed circuits, etc.