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In What Cases will Silicone Not be Replaced by Other Materials?

2021-10-15

In the silica gel industry, online sales costs are rising and prices fluctuate repeatedly. The method of reducing cost has always been a headache for silica gel manufacturers. Therefore, looking for silica gel substitutes must be a relatively expensive tracking link.

However, silica gel products have the following situations, and there are very few replaceable materials.

1. TPE material is also called food contact material, but TPE can generally pass the test of distilled water, 3% acetic acid and 10-20% alcohol. Some soft tools that need to contact grease generally need to be tested with olive oil or n-hexane. As a composite TPE, additives can be easily transferred from such solvents.

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2. There is a demand for high temperature resistance, such as lunch boxes that can be put into microwave ovens and products that need high temperature sterilization. It can withstand high temperatures up to 120-200 ° C. TPE generally cannot reach this heat-resistant temperature.

3. For products with small compression or tensile permanent deformation, some sealing ring products shall have good compression deformation recovery performance. Maintain product functions. However, TPE has large compression deformation and is not suitable for such products.

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