Why TPE gravity is crucial
Time of issue:2024-10-26 17:09
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Proportion is an important indicator for measuring the price and quality of TPE materials.
TPE materials generally come in three primary colors: black, natural, and transparent. The other colors are all blended together, just like a fun palette. Moreover, the specific gravity of TPE is not fixed, generally ranging from 0.86 to 2.0, just like human weight, which varies in weight.
How to distinguish the specific gravity of TPE? The density of natural TPE/TPR is generally 1-1.4, while semi transparent TPE/TPR has a density of 0.9-1, and transparent TPE/TPR has a density of 0.88-0.98. Isn't it very simple? Of course, there are also some special circumstances. For example, the specific gravity of TPE foam is 0.6~0.8, which is also easy to distinguish. You just need to cut open the TPE/TPR product and see if there are any pores on the cut surface. Some microbubbles have particularly small pores, so you need to observe carefully. Some TPE products require high filling, with a specific gravity that may exceed 1.5-2.0.
However, the smaller the proportion, the better. Low density materials have poor heat resistance, but they have excellent coloring and tensile strength properties. So choosing the proportion of TPE still depends on the product performance requirements and budget to determine the appropriate range.
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