PRODUCTS

Our factory specializes in providing high-quality OEM and ODM services, delivering premium Food Grade Clear Silicone Rubber O-Rings designed for demanding applications, including cylinder water seals. Engineered from 100% pure, clear silicone rubber (VMQ), these O-rings are manufactured to meet stringent international safety standards, such as FDA, LFGB, SGS, and RoHS compliance, ensuring they are safe for direct or indirect contact with food, potable water, and various liquids . The inherent clarity of the material allows for easy visual inspection of fluid pathways and is aesthetically versatile, making it an excellent choice for food storage containers, medical devices, household appliances, and hydraulic or pneumatic cylinder seals where monitoring for contamination or seal integrity is crucial .

The primary function of this O-ring is to create a reliable, waterproof, and leak-proof seal in both static and dynamic applications. Its robust performance is characterized by an extensive operational temperature range, typically from -60°C to 230°C, with some formulations capable of withstanding peak temperatures up to 250°C or even 300°C for short periods . This makes it suitable for environments experiencing extreme cold, such as freezers, and high heat, including sterilization processes (autoclaving) and engine compartments . Furthermore, the material exhibits excellent resistance to aging, ozone, UV radiation, and weathering, ensuring long-term durability and a service life that can extend for many years, even in challenging outdoor or industrial settings .

Key Features and Material Advantages

• Exceptional Material Purity and Safety: The use of premium food-grade silicone ensures the O-ring is non-toxic, odorless, and free from BPA, PVC, and phthalates . This guarantees that the taste and purity of stored contents, such as water or food, remain completely unaffected, making it ideal for applications from water bottle lids to food processing equipment .

• Superior Temperature and Environmental Resistance: These O-rings maintain exceptional elasticity and sealing force across a wide thermal spectrum . They also demonstrate good resistance to water, steam, and many common chemicals, though compatibility with specific oils or solvents should be verified for specialized industrial uses .

• Optical Clarity and Durability: The transparent nature of the material does not compromise its physical properties. It offers good tear resistance, tensile strength (e.g., 5-9 MPa), and elongation at break (can exceed 200%), ensuring it can withstand mechanical stress and pressure fluctuations without failure . The material is also resistant to yellowing over time, maintaining its clear appearance .

• Customization and Precision Engineering: We offer extensive customization options. The hardness can be tailored typically between Shore A 30 and 90, allowing engineers to select the perfect balance of flexibility for easy installation and rigidity to maintain a secure seal under pressure . The O-rings are available in a vast range of standard (e.g., AS568) and entirely custom sizes, with inner diameters (ID) from as small as 1mm up to 500mm or more, and cross-sections (CS) to meet precise specifications . Our advanced manufacturing capabilities, including injection and compression molding, ensure precise dimensional accuracy and consistency in high-volume production .