Products Description
When it comes to sealing solutions in the food and beverage industry, safety, hygiene, and reliability are paramount. Food grade silicone rubber O-rings are designed to meet these needs, offering exceptional performance while ensuring compliance with strict safety standards. Made from high-quality, FDA-approved silicone, these O-rings are ideal for applications where direct contact with food or beverages is required.



Benefits of Food Grade Silicone Rubber O-Rings
Material Comparison – FDA
|
Property / Material |
Silicone |
EPDM |
NBR (Buna-N) |
FKM (Viton®) |
FFKM (Perfluoroelastomer) |
|
Hardness (Shore A) |
5–90 |
40–90 |
30–90 |
50–90 |
70–90 |
|
Temp Range |
−60°C ~ +230°C |
−50°C ~ +150°C |
−40°C ~ +120°C |
−20°C ~ +250°C |
−20°C ~ +300°C |
|
Key Features |
Flexibility, wide temp range, FDA compliant options |
Weather, ozone, water, steam resistance, FDA compliant |
Oil, fuel, grease resistance; FDA compliant |
Heat, chemical, oil resistance; FDA compliant |
Extreme chemical, heat, and corrosion resistance; FDA/USP Class VI available |
|
Advantages |
Excellent low/high temp performance, food-safe |
Excellent outdoor & water system performance |
Affordable, versatile, good wear resistance |
Excellent high-temp and chemical resistance |
Superior durability, chemical and thermal stability |
|
Limitations |
Low mechanical strength, expensive |
Poor oil/fuel resistance |
Poor ozone/weather resistance |
Expensive, harder to process |
High cost |
|
Typical Applications |
Food & beverage processing, dairy equipment, medical devices |
Beverage piping, water systems, food contact valves |
Food processing machinery, seals for oil-based food ingredients |
High-temp cooking or chemical-resistant food processing equipment |
Pharmaceutical production, high-temp sterilization systems, chemical & aggressive media in food/drug industry |
Application Areas:
Food Processing Equipment: Used to seal pumps, valves, mixers, and other food processing machinery, ensuring safety and efficiency.
Beverage Dispensers: Food grade silicone O-rings are commonly used in beverage dispensing systems for a leak-proof seal that maintains product integrity.
Packaging Machines: Used in sealing systems for food packaging machines, ensuring hygiene and preventing contamination.
Food Storage Systems: Seals containers, storage tanks, and refrigeration systems to maintain freshness and prevent leakage.
Cooking and Freezing Equipment: Used in ovens, freezers, and cooking devices where high and low temperatures are a factor.

Why Our O-Rings Stand Out

Our O-Rings: Burr-Free, Smooth Surface, Precision Molded
Our O-Rings are manufactured with high-precision molds and strict deburring processes to ensure:
A clean, smooth surface means more reliable and durable sealing performance.
Low-Quality O-Rings: Burrs, Rough Surface, Poor Accuracy
Low-grade O-Rings often suffer from:
Available Surface Treatments

To enhance performance and extend service life, our O-Rings are available with multiple advanced surface treatment options:
• Teflon (PTFE) Surface Coating
A thin PTFE coating that significantly reduces friction, improves chemical resistance, and enhances installation ease. Ideal for applications requiring smooth movement or exposure to aggressive chemicals.
• Lubricant Spray Coating
A uniform lubricant finish that improves assembly efficiency, prevents sticking, and reduces startup wear. Commonly used in dynamic sealing systems, hydraulic components, and precision assemblies.
• Teflon (PTFE) Encapsulation
A solid PTFE outer jacket combined with an elastomer core. This structure provides exceptional chemical resistance, wide temperature capability, and superior durability-perfect for extreme or corrosive environments.
10,000+ Molds Available| No MOQ |In-Stock Inventory

1.10,000+ Molds Available – Extensive mold library to meet diverse size and material requirements.
2.No MOQ, Starts from One Piece – Flexible customization from sample testing to bulk production.
3. In-Stock Inventory - Standard sizes in stock, ensuring quick shipment, Fast Global Delivery
Product Features:
Customization Options: Our O-Rings are fully customizable. Whether you need a specific size, shape, hardness, or color, we can manufacture O-Rings that are perfectly suited for your application. Choose from a wide range of materials and designs to create an O-Ring that fits your exact needs.
Precision Engineering: Each O-Ring is manufactured with precision to ensure the highest level of quality. Our advanced production process ensures that every O-Ring meets the strictest standards for sealing performance.

Factory Direct Advantages

Packing & Delivery

|
MOQ |
1 pcs |
|
Lead Time |
- In stock: Shipped within 3 days |
|
Port |
China Xiamen |
|
Shipping Methods |
Express (DHL, FedEx, UPS), Air, or Sea |
|
Sample Policy |
Samples available; customer should pay freight cost |
Qualification Certificate

Contact US
Xiamen Best Seal Imp and Exp Co.,Ltd
Tel: +86-592-5782315
Mob: +8618950159396
Email:yunying2@bestsealhk.com
Add: Unit 522-525, Gaodian Road 6#, Huli District, Xiamen, China
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