Thermally conductive silicone sheets are often used in heat conduction and heat dissipation of electronic products. They have excellent thermal conductivity and can maintain good stability under high temperature, acid and alkali conditions. How to test whether thermally conductive silicone sheets really have high temperature resistance?

The commonly used method to test whether the thermal silica sheet is resistant to high temperature is a simple aging test. The important purpose of this test is to see how the silicon molecules volatilize the thermal silica sheet at high temperature. The specific method is as follows:

1. Select 10 samples and place them in a drying oven at 35°C for 80-100h

2. Put the sample in an oven at 200°C and dry it continuously for 200 hours

3. Take out the sample and place it in a drying oven at 35°C for 80-100h

4. Accurately weigh the weight G1 of 10 samples respectively

5. Accurately weigh the weight G2 of 10 samples again

6. Design weight loss: (G1-G2)/G1×100%

Judgment scale:

1. Weight loss is less than 1%

2. All chemical and physical properties are stable after high temperature

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