The application of TPEE material to springs can extend the lifespan of the springs.
Release time:
2022-04-11 12:01
Source:
High elasticity
Applying TPEE material to springs can extend the lifespan of the springs, helping trains to start, accelerate, decelerate, and stop smoothly. Unlike metal springs, it does not rust, does not deteriorate under natural conditions, and does not cause elastic cracks and losses. Compared to rubber materials, it has greater reusability and maintains good elasticity.
Processability
TPEE has excellent melt stability and sufficient thermoplasticity, which gives it good processing performance. It can be processed using various thermoplastic processing techniques such as extrusion, injection molding, blow molding, rotational molding, and melt casting. At low shear rates, the melt viscosity of TPEE is not sensitive to shear rate, while at high shear rates, the melt viscosity decreases as the shear rate increases. Since the melt of TPEE is very sensitive to temperature, its melt viscosity can vary several times to dozens of times within a range of 10°C, so the temperature must be strictly controlled during molding.
To ensure that the moisture content of the resin is less than 0.1%, it must be dried with hot air (80-120°C, 6-8 hours) before processing.
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