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How Do I Choose the Right Silicone Material for My Application?
为您的应用选择合适的硅胶材料是一个关键的决定，可以显著影响您的PG电子平台的性能和寿命. Whether you're working on a sealing gasket, 电子元件, or a different application, choosing the right silicone material is paramount. In this guide for engineers, 我们将带你了解前六个考虑因素，以帮助你做出明智的决定.
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Top 6 Silicone Design Material Selection Considerations
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温度接触
In which temperatures will my material operate? What are the maximum, minimum, and typical temperatures?
- When selecting a silicone material, 温度暴露是一个关键的考虑因素，因为它直接影响应用程序的性能和寿命.
- 选择具有适当耐温等级的硅树脂材料，与您的应用程序的操作条件相一致. This will ensure optimal material performance and 耐用性 in your application.
- 您需要在应用中考虑几个不同的温度参数:温度范围(最大值和最小值)和典型工作温度.
- In the case of Rogers BISCO® silicone cellular foams, the continuous temperature range spans from -55 °C to 200 °C, with intermittent temperature tolerance extending up to 250 °C for short durations.
- 总是检查材料的技术数据表，以找到其各自的温度参数.
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UV/Ozone and Radiation Resistance
Will my material be outdoors and/or exposed to UV, 臭氧, and/or radiation?
- 硅酮耐辐射、氧、臭氧和紫外线(A、B、C波长). 有机硅无机化学中的硅氧键比有机聚合物链中碳原子之间的键更稳定. 紫外线提供的能量高到足以破坏碳-碳键, but not enough to damage silicone's Si-O bonds.
- Silicone's resistance to radiation, 氧气, 臭氧, 紫外线使它成为户外应用的一个很好的选择，这些有害的环境条件自然发生，并降解其他材料.
- 同样的阻力也是为什么硅胶可以在许多医疗和生命科学应用中使用伽马射线和电子束辐射进行灭菌, Ethylene Oxide Sterilization (ETO), or traditional Autoclave Steam Sterilization.
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阻燃性:
Is fire 安全 important in my application? Does my material need to meet any flame ratings?
- In applications where fire 安全 is a concern, 工程师应该考虑满足以下行业公认的阻燃等级之一的有机硅材料:
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Chemical and Fluid Resistance:
Will my material be exposed to any chemicals or fluids?
- 如果材料在清洁或其他情况下与化学品或液体接触，这是一个重要的考虑.
- 一般, silicone materials have good resistance to chemicals, 燃料, 在温度下的油，否则会使大多数其他弹性体无法在应用中使用(氟弹性体除外). 如果需要高耐化学性，您可能需要使用氟硅酮材料.
- If silicone encounters chemicals or fluids, the material may show some swelling. Once the material is removed from the fluid, it returns to its original shape and shows little loss of its properties.
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除气:
Is my application sensitive to contamination?
- There is always a concern about what potentially can outgas from a material. BISCO silicone cellular foams are formulated and are post cured, reducing the available 脱气 components to levels in the ppm (part per million). 这使得它们可以用于电子PG电子平台，因为污染物水平非常低，可能会对组件造成干扰.
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预算
我的预算是多少??
高质量的材料能帮助我避免申请失败、伤害和维护我的声誉吗?
- While silicones can be more expensive than many other elastomers on the market, evaluating the risk and reward the material provides is a good idea.
- 你能承担在现场发生故障的风险吗?这可能会导致数千美元的保修索赔?
- Can you risk a preventable injury due to your device?
- Can you risk your reputation in the market?
阅读更多关于 hidden benefits of silicone.
要点
为您的应用选择合适的硅胶材料需要仔细评估多种因素, including temperature exposure, 耐紫外/臭氧, 耐燃性, 抗化学腐蚀, 脱气, and budgetary considerations. 工程师应该优先考虑项目的具体需求，并做出明智的决策，以确保最佳性能, 耐用性, 和安全.
By following these guidelines, 您可以更自信地为您的应用选择理想的硅胶材料，并为您的项目的成功做出贡献.
另外, 您可以依靠罗杰斯专门的技术服务和开发团队，根据您的应用要求提供材料选择指导.
Contact your Rogers Sales Engineer 迈出第一步，自信地为您的应用选择合适的材料. # RelyOnRogers
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发表 on Feb 09, 2024
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