GB/T 41958-2022 in English
VALIDDipped canvas—Test method for thermal conductivity
- Issued on:2022-12-30
- Implemented on:2023-07-01
- File Format:PDF
- Delivery:Within 1 day
$70.00
《GB/T 41958-2022浸胶帆布 导热性能试验方法》由TC35（全国橡胶与橡胶制品标准化技术委员会）归口，TC35SC13（全国橡胶与橡胶制品标准化技术委员会浸胶骨架材料分会）执行，主管部门为中国石油和化学工业联合会。
Introduction
In-depth interpretation of GB/T41958-2022 test method for thermal conductivity of dipped canvas
1. Background and significance of standard formulation
With the increasing demand for high-performance materials in the industrial field, dipped canvas is increasingly used in high-temperature environments. The formulation of GB/T41958-2022 fills the gap in this field in China and provides a scientific basis for evaluating the thermal conductivity of dipped canvas.
2. Comparative analysis of standard frameworks
| Standard dimensions | GB/T41958-2022 | Differences from the old standard | International integration |
|---|---|---|---|
| Test principle | Plane heat source method | Newly added standardized method | Consistent with relevant ISO standards |
| Temperature range | 50℃~250℃ | - | Covering major industrial applications |
| Equipment requirements | Comprehensive thermal conductivity tester | Clear technical parameters | Meet international accuracy standards |
3. Technology evolution and analysis
Fourier heat transfer equation is widely used in this standard. By calculating the heat flux density and temperature difference change, the thermal conductivity of the material is accurately evaluated. This method combines the principle of steady-state heat transfer to ensure the stability and repeatability of the test results.
4. Implementation suggestions and precautions
Practical application case analysis
A company used the GB/T41958-2022 standard to test the thermal conductivity of dipped canvas and found that the thermal conductivity of the material was significantly improved under high temperature environment. By optimizing the material formula and process parameters, the company successfully improved the temperature resistance of the product.
Key points:
- Ensure that the test environment meets the requirements of GB/T2941
- Precisely control the thickness and quantity of the specimens
- Choose the appropriate temperature test point
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