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Plastics & rubber
Food Grade Silicone Rubber Seal Ring China Factory and Professional Suppliers
Leading China factory and suppliers of premium food grade silicone rubber seal rings for thermos flasks, water bottles, and glass jars. Certified ISO 9001, ROHS, and REACH compliant VMQ silicone seals with extreme temperature resistance from -60C to 230C. Custom OEM ODM sizes and colors available.
SupplierShijiazhuang Beike Sealing Technology Co.,Ltd.www.beikesealing.com
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About this product
Product information from the supplier.
Our premium Food Grade Silicone Rubber Seal Rings are engineered specifically for thermos flasks, water bottles, and glass jars, ensuring a leak-proof and airtight seal. Utilizing high-performance VMQ silicone material, these rings provide an exceptional barrier against liquids and gases, making them the ideal choice for beverage containers and food storage solutions where safety and reliability are paramount.
Designed for versatility and durability, our seals are compliant with international standards such as ISO 9001 and ISO/TS 16949, ensuring a non-toxic, odorless, and eco-friendly sealing solution. Whether you require standard O-rings or custom flat rings, our manufacturing capabilities support a wide range of specifications and colors to meet your precise branding and functional requirements.
Detailed Parameters
| Material | Food Grade Silicone (VMQ) | Item Name | Silicone Rubber Seal Ring |
|---|---|---|---|
| Standard Sizes | GB3452.1, AS568, JIS B2401 Series | Hardness | Common 70 Shore A (30-85 Shore A available) |
| Temperature Range | -60°C to +230°C | Production Mode | Compression Molding |
| MOQ | 300 pcs | Monthly Capacity | 100,000 pcs |
| Certifications | ISO 9001, ISO/TS 16949, ROHS, REACH | Available Shapes | O-Ring and Flat Ring |
Key Advantages
Food Grade Safety
Non-toxic, odorless, and eco-friendly materials ensuring complete safety for drinking water and food contact.
Extreme Temperature Resistance
Maintains elasticity and sealing performance from -60°C up to +230°C, ideal for hot and cold beverages.
High Durability
Excellent resistance to abrasion, weather, ozone, and UV rays, extending the lifecycle of your products.
Customizable Design
Full OEM/ODM support for custom colors, shapes (O-ring/Flat), and dimensions based on 2D/3D drawings.
Precision Engineering
Manufactured under strict ISO quality control to ensure perfect fitment and zero leakage in every unit.
Certified Compliance
Fully compliant with ROHS and REACH standards, meeting the most stringent global import requirements.
Product Gallery
Management Platforms
Quality Assurance
Strict adherence to ISO 9001 and ISO/TS 16949 standards throughout the production process.
Rapid Prototyping
Fast turnaround with prototype lead times of approximately 1-2 weeks and tooling in 10 days.
Customization Hub
Flexible OEM/ODM services supporting diverse colors and custom 2D/3D design specifications.
Material Certification
Provision of Food Grade, ROHS, and REACH certifications for global market compliance.
Logistics Management
Secure packaging with customized plastic inner bags and reinforced carton outer boxes.
Scale Production
Robust capacity of 100,000 pieces per month to support high-volume commercial demands.
Investment Return Comparison
| Feature | Standard Rubber | Our Silicone Seals |
|---|---|---|
| Temperature Limit | Low/Moderate | Extreme (-60°C to +230°C) |
| Food Safety | Variable | Certified Food Grade (Non-toxic) |
| Weathering | Prone to cracking | High UV & Ozone Resistance |
| Lifespan | Short to Medium | Long-term Industrial Grade |
| Compliance | Basic | ISO/ROHS/REACH Certified |
Frequently Asked Questions
Q: Are these silicone seal rings safe for direct contact with food and beverages?
Yes, our seal rings are made from certified Food Grade Silicone, ensuring they are non-toxic, odorless, and eco-friendly, making them perfect for water bottles and glass jars.
Q: Can you manufacture seals based on my specific custom drawings?
Absolutely. We welcome both 2D and 3D drawings for custom rubber parts. Our OEM/ODM services allow us to tailor the shape, size, and color to your exact requirements.
Q: What is the lead time for a custom rubber seal order?
Typically, prototype lead times are 1-2 weeks. If new tooling is required, it takes about 10 days, followed by a production lead time of 2-3 weeks after sample approval.
Q: Which international standards do your rubber products comply with?
Our manufacturing facility is ISO 9001 and ISO/TS 16949 certified. Additionally, our compounds are approved for Food Grade, ROHS, and REACH compliance.
Q: How does the temperature resistance of VMQ silicone compare to other materials?
VMQ silicone offers superior thermal stability, handling temperatures from -60°C to +230°C, which far exceeds standard rubber, ensuring the seal doesn't harden in cold or melt in heat.
Q: What payment terms do you accept for bulk rubber parts orders?
We accept T/T (30% deposit, 70% balance against B/L), L/C at sight, West Union, VISA, and PayPal to facilitate smooth international transactions.
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Shijiazhuang Beike Sealing Technology Co.,Ltd.
