Views: 14 Author: Site Editor Publish Time: 2022-02-25 Origin: Site
Why the public prefers TPE casters
TPE is gradually replacing natural and synthetic rubber because of its ability to be formed into a variety of shapes to meet the needs of complex molding designs, as required by numerous traditional or innovative processing techniques.In addition, TPE also has high heat resistance, chemical resistance, weather resistance and oxygen resistance, and is relatively widely used.Med is an important application area for TPEs.In the past few years, the demand for disposable syringes and med catheters in the med market has increased dramatically, and there is a growing tendency to use TPE med caster material for such products.
First: Load-bearing capacity:
TPE material load-bearing capacity is generally not very high, the current domestic market to TPE as the maximum load-bearing capacity of 300kg.Because the TPE material itself is soft and rigid, and the skeleton is molded by bonding, so the movement of the load will generate a lot of heat, accelerating the deformation of the material, resulting in the caster skeleton and rubber peeling or rupture, the caster material can bear up to 300kg.
Second: different skeleton material selection methods are not the same
The skeleton of the caster is generally PP, reinforced PP, nylon, etc., the general load-bearing caster is relatively low choose PP for the skeleton, some low-end materials and even choose back PP for the skeleton, this kind of skeleton is more brittle, at the same time there are mixed with a part of other materials or degradation, so the bonding performance requirements of TPE is higher.
In the case of reinforced PP, it is generally reinforced by adding glass fiber, so there are higher requirements for the bonding performance of the material.
Common original package PP generally choose homopolymer TPE caster material.
Third: wear resistance
Ordinary TPE material, because of its own non-slip so relative to the wear resistance of other materials will be worse, but the caster with TPE material with the increase in weight requirements, TPE medical caster material will be added to the appropriate slip agent to improve the surface smooth, reduce the surface friction coefficient of the material so as to reduce friction heat to improve friction loss.
Fourth：What are the advantages of TPE
TPE casters instead of PVC is an inevitable trend, because PVC is not environmentally friendly more and more countries, especially Europe and the United States explicitly prohibit the use of PVC casters, so the export of casters processing plants have to face this reality, of course, we may also choose TPU, but the inherent defects of TPU casters so that more manufacturers will prefer TPE.With the maturity of TPE technology, everyone's understanding of TPE will become more and more in-depth, and then the use of more and more widespread.
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