Silicone O-Rings
| Tear strength | ≥20/KN·m |
| Elongation at break | ≥300% |
| Density | 1.1-1.12g/c㎡ |
| Accreditation | ISO 9001;IATF 16949;SAE J2643;ASTM D2000 |
Introduction
Silicone O-rings are ring-shaped products made of silicone rubber. It is a category of silicone rubber products and has good characteristics such as wide temperature adaptability, sealing, insulation, dielectricity, and environmental protection.
Silicone ring seals have been widely used in machine tools, ships, automobiles, aerospace equipment, metallurgical machinery, and other fields.
silicone O-ring is mainly used for moisture absorption and rust prevention under closed conditions and are used in conjunction with ordinary silica gel desiccant to indicate the degree of moisture absorption of the desiccant and determine the relative humidity of the environment.
Common sealing forms
1. Dynamic seal: In dynamic sealing, the silicone ring can achieve effective sealing with the movement of moving parts while maintaining a certain friction resistance.
2. Static sealing: In static sealing, the silicone ring is placed between two planes and achieves effective sealing through its elastic recovery properties. This form is suitable for sealing liquids, gases, and other media.
3. Threaded connection sealing: Silicone O-ring is suitable for sealing threaded connections, such as pipe connections, valve connections, etc. The silicone ring is placed at the threaded connection and fills the thread gap with its elasticity to prevent media leakage.
4. Flange sealing: Silicone rings are often used for sealing flange connections, such as pipe flanges, container flanges, etc. It can fill the gap between flanges and ensure the sealing performance of the joint.
Production Process
The production process of soft silicone O-rings mainly includes mixing, vulcanization, trimming, inspection, and other processes. Among them, vulcanization is one of the most important processes in the production of soft silicone O-rings. It is usually carried out by hot vulcanization.
In addition to the hot vulcanization process, other processes can also be used to produce soft silicone O-rings, such as calendering, compression molding, and injection molding. Different processes have different characteristics and applicable occasions, and they need to be selected according to actual needs.
During the production process, attention needs to be paid to controlling the production process and conditions to ensure that the quality and performance of soft silicone rings meet the requirements. At the same time, quality inspections and tests are also required to ensure that they comply with relevant standards and customer requirements.
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