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Why are some surfaces of silicone products not smooth?

2025-06-20

As more and more organic silicon products become popular in the market, there are inevitably advantages and disadvantages. After using some silicone products for a period of time, they may feel that the surface is not smooth enough and there is still a sticky feeling, especially in kitchen utensils. Or the silicone phone case is very obvious. What are the reasons for the uneven surface of silicone products?

1. Caused by raw material issues or improper maintenance.

It is unreasonable to control and use curing agents during the mixing process of raw materials. The amount of curing agent added is not fully cured, resulting in a sticky surface of the product.

During the kneading process, the curing agent and silicone gel are unevenly stirred, and the mold solidifies while curing, causing deformation of the product due to differences in hardness and hardness after vulcanization.

When cleaning the machine, if the mold is not cleaned, it will not be smooth enough. The residue in the mold can cause unevenness in the product, making the surface of the product uneven.

5. No secondary vulcanization Spraying hand oil, etc., which means insufficient post-processing.

In short, the production of silicone products should pay attention to every detail to avoid unnecessary cost waste.

Xiamen Juguangli Import & Export Co., Ltd

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