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PC board processing physical properties

by:UNQ     2021-04-01

   Thermal properties of processing manufacturers Heat distortion temperature: The heat distortion temperature of PC board is 136 degrees Celsius, and its continuous applicable ** temperature is about 120 degrees Celsius. Coefficient of linear expansion: One of the synthetic resins with a smaller coefficient of linear expansion. Embrittlement temperature: The embrittlement temperature of PC is extremely low compared with general plastics, which is -40 degrees Celsius, and the continuous applicable maximum temperature is about -30 degrees Celsius. Flammability: PC board processing is one of the flame-retardant plastics, which will not produce toxic gas when heated at high temperature. Thermal conductivity

The thermal conductivity of processing is not much different from that of general synthetic resin, which is 1/4 of glass, 1/300 of iron and 1/ of aluminum. 300, 1/2000 of copper, is a material with good thermal insulation. Optical properties Light transmittance: The light transmittance of 1mm thick PC board is 90%, and the light transmittance of 5mm thickness is 85%, so it is equivalent to glass. Weather resistance: Generally, PC is exposed outdoors for a long time, and it will cause yellowing and surface deterioration if exposed to ultraviolet rays. The surface of the company's PC board is attached with an anti-UV layer, and its chemical and mechanical properties will not change even if it is exposed outdoors for a long time. Sound insulation performance The sound insulation effect of PC board at high frequency under the same thickness is better than that of glass. Physical properties of PC board Mechanical properties Impact resistance: PC board processing board has strong impact resistance, 250 times stronger than traditional glass and 30 times stronger than acrylic. Tensile strength: PC board has good heat resistance, so even at 120 degrees Celsius, its tensile strength can still reach 350Kgf/cm2. Anti-this strength and flexural modulus: PC board has good flexural resistance, even if the bending angle reaches 80~90 Degree, still does not break. Anti-fatigue and anti-creep resistance: The anti-creep resistance of PC sheets is one of the highest among thermoplastic plastics. Even at high temperature, its creep deformation is still small, and the stress relaxation is also small.

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