Design of Non-Circular Silicone Sealing Rings: Non-Circular Cross-Sections, Corners, and Assembly Alignment
简要答案：异形硅胶密封圈适合不规则壳体和连续周边密封。设计重点是截面压缩一致、转角应力、定位防错和模具分型，尤 […]
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Sealing Design & Assembly
Review silicone and rubber seal glands, contact bands, installation, clamping and leak localization. Confirm dimensions, compound, media and acceptance conditions for each project.
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Differences Between Foamed Silicone Sealing Strips and Solid Sealing Strips: Compressive Force and Protection Options
简要答案：发泡硅胶条压缩力低、适合较大间隙和轻量壳体；实心硅胶条强度与耐磨更高、适合稳定沟槽和较高接触压力。选 […]
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Design Guide for Silicone Umbrella Valves: Sealing Surfaces, Preload, and Low-Pressure Opening and Closing
简要答案：硅胶伞阀依靠伞面与阀座贴合实现单向密封。可靠设计需要平衡伞面厚度、阀杆定位、阀座平面度和装配预压，避 […]
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How to Choose a Silicone Duckbill Valve? Opening Pressure, Backflow Control, and Service Life Design
Short Answer: The key factors in selecting a silicone duckbill valve are not its physical dimensions, but rather the medium, opening pressure, reverse pressure differential, flow rate, and cycle life. During design, the lip opening should be controlled […]
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Silicone Sealing Design for Outdoor Equipment: UV Exposure, Rain, and Temperature Cycling
The challenges of sealing outdoor equipment stem from UV exposure, rain, dust, and temperature fluctuations between day and night. During the design phase, it is necessary to select weather-resistant materials while also allowing for enclosure deformation, drainage, and assembly tolerances […]
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Storage and Shelf Life of Silicone Seals: Preventing Deformation, Contamination, and Performance Degradation
Even after leaving the factory, silicone parts may still undergo changes in appearance or performance due to temperature, light exposure, compression, and contact with other materials. Proper packaging and first-in, first-out (FIFO) management are key to ensuring assembly quality […]
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How to Select the Thickness of a Silicone Sealing Gasket: Compression, Tolerance, and Sealing Surface
硅胶密封垫片的厚度决定初始压缩量和装配容忍度。选择厚度时应从壳体间隙、公差、螺钉预紧和长期回弹整体评估。 1. […]
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Silicone Seals for Electrical Connectors: Water Resistance Rating, Insertion/Extraction Force, and Tolerance Control
Seals in electrical connectors must maintain their waterproof performance during mating and unmating, under vibration, and during temperature fluctuations. The key factors are not only the O-ring itself, but also the pin holes, the housing, the tolerance chain, and assembly alignment […]
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Permanent Set in Silicone Rubber: Understanding the Metric and Mitigating Seal Failure
压缩永久变形反映硅胶在长期受压和温度作用后恢复原状的能力。它不是孤立的材料指标，而是材料、结构、温度和装配共同 […]
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Silicone Diaphragm Design Guide: Thickness, Recovery, and Pressure Response
Silicone diaphragms are commonly used in valves, pump bodies, and pneumatic control systems. Their reliability depends on thickness uniformity, pressure differential, stroke, clamping structure, and the material’s long-term recovery performance. 1 […]
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