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In addition to the nature of PBT, what are the characteristics of PET?
Feb 10, 2019

  Through the improvement of nucleating agent and crystallization agent and glass fiber reinforcement, in addition to the properties of PBT, PET has the following characteristics:

  1. The heat distortion temperature and long-term use temperature are the highest among thermoplastic general engineering plastics;

  2. Because of the high heat resistance, the reinforced PET is immersed in a solder bath of 250 ° C for 10 s, and it is hardly deformed or discolored, and is particularly suitable for preparing electronic and electrical parts for soldering; 

3. The bending strength is 200MPa, the elastic modulus is up to 4000MPa, the creep resistance and fatigue resistance are also good, the surface hardness is high, and the mechanical properties are similar to those of thermosetting plastics; 

4. Since the ethylene glycol used in the production of PET is almost half the price of the butanediol used in the production of PBT, PET resin and reinforced PET are the lowest in engineering plastics and have a high cost performance.


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