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Plastics & rubber
Food Grade Silicone Rubber ORings Factory and Suppliers in China
Leading China factory and professional suppliers of food grade silicone rubber O-rings. Certified heat-resistant seals for thermos flasks and containers, featuring ISO9001 quality. Custom sizes available from our Hebei plant with rapid delivery.
SupplierShijiazhuang Beike Sealing Technology Co.,Ltd.www.beikesealing.com
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About this product
Product information from the supplier.
Our Food Grade Silicone Rubber O-Rings are precision-engineered sealing solutions specifically designed for thermos vacuum flasks and high-end beverage containers. Utilizing premium food-safe silicone, these annular seals create a high-performance labyrinth gap that effectively prevents liquid leakage and blocks foreign contaminants, ensuring the hygiene and thermal integrity of your products.
Designed for versatility, these seals operate reliably under both static and dynamic conditions. Whether subjected to extreme temperature fluctuations or varying pressure levels, our silicone O-rings maintain an airtight seal across different liquids and gases, making them the ideal choice for manufacturers seeking durability and safety compliance in food-contact applications.
Detailed Parameters
| Material | Food Grade Silicone Rubber | Application | Thermos Vacuum Flasks |
|---|---|---|---|
| Seal Type | Annular O-Ring / Gasket | Condition | Static & Moving Seal |
| Safety Standard | Food Grade Certified | Medium | Liquids and Gases |
| Lead Time (Stock) | 1 Working Day | Lead Time (Custom) | 10-15 Working Days |
| Quality Control | 100% Pre-delivery Testing | Packaging | PE Bag & Logo Carton |
Key Advantages
Food-Safe Material
Manufactured from non-toxic, high-purity silicone to meet strict food safety requirements for beverage containers.
Rapid Delivery
Optimized supply chain offering 1-day shipping for in-stock items and fast mold turnaround.
Extreme Versatility
Maintains sealing performance across diverse temperatures and pressures in various mechanical environments.
Labyrinth Gap Design
Prevents oil leakage and foreign object ingress through a precision-engineered narrow gap structure.
100% Quality Test
Every single unit undergoes rigorous testing before delivery to ensure zero-defect performance.
Customized Packaging
Professional PE and carton packaging with custom logo options to align with your brand identity.
Product Gallery
Management Platforms
Inventory Control
Real-time tracking of stock levels to ensure 1-day delivery for standard parts.
Mold Management
Professional mold archiving reducing production time to 5-7 days for existing designs.
Quality Assurance
Integrated 100% pre-delivery testing protocol to eliminate operational failures.
Logistics Coordination
Flexible shipping options via Express, Air, or Sea to optimize transit costs.
Payment Flexibility
Secure payment processing via T/T, PayPal, Credit Card, and Western Union.
Sample Validation
Rapid prototyping and sample provision to ensure perfect fit before mass production.
Investment Return Comparison
| Performance Metric | Standard Rubber | Food Grade Silicone |
|---|---|---|
| Thermal Stability | Moderate | Exceptional |
| Safety Compliance | Industrial Use | FDA/Food Grade |
| Delivery Speed | Variable | Ultra-Fast (Stock) |
| Seal Integrity | Basic | High-Pressure Labyrinth |
| Lifecycle Value | Short-term | Long-term Durable |
Frequently Asked Questions
Q: What is the lead time for custom rubber parts?
Lead times depend on mold availability: 5-7 workdays if the mold is in stock, and 10-15 workdays if a new mold is required.
Q: Are your silicone O-rings safe for direct food contact?
Yes, we specialize in food-grade silicone rubber specifically designed for products like vacuum flasks and kitchenware.
Q: Do you provide samples for quality verification?
Yes, we can supply samples from our stock. Customers generally cover the sample cost (sometimes free) and courier fees.
Q: What shipping methods do you support for international orders?
We offer three primary shipping options: Express for urgent needs, Air for balanced speed/cost, and Sea for bulk shipments.
Q: How do you ensure the quality of the rubber parts?
We implement a strict 100% testing policy before delivery to ensure every part meets the specified dimensions and sealing standards.
Q: Can I request custom logos on the packaging?
Absolutely. While our standard packaging carries our logo, we welcome customized requests to match your branding requirements.
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Shijiazhuang Beike Sealing Technology Co.,Ltd.
