Products Description
Silicone O-rings are renowned for their exceptional versatility and performance in sealing applications, and when it comes to soft silicone O-rings, they offer an even more flexible and durable solution. Designed to meet the demands of various industries, soft silicone O-rings provide a reliable seal where flexibility, resilience, and temperature resistance are crucial.
Benefits of Soft Silicone O-Ring Seals
Precision Sealing
Soft silicone O-rings provide a perfect seal with minimal leakage, ensuring the safety and efficiency of your system.
Flexibility
The softness of silicone allows the O-ring to conform easily to the sealing surface, creating a tighter, more effective seal.
Long-Term Durability
Soft silicone maintains its sealing performance over time, even under repeated compression or environmental stress.
Wide Applications
Soft silicone O-rings are versatile and can be used in a variety of industries, including automotive, medical, food & beverage, and electronics.
Silicone Material Description
Silicone rubber is a type of synthetic polymer where silicon atoms are linked to oxygen atoms, forming a Si-O backbone structure.
It is characterized by excellent mechanical properties, high flexibility, and wide temperature resistance.
Being biocompatible and non-toxic, silicone rubber is widely used in food, medical, and beverage applications.
Our factory produces custom silicone O-rings, gaskets, and seals that meet international standards such as DIN, ASTM, and FDA.
Silicone rubber can be compounded with fillers such as mica, glass fiber, or other additives to enhance properties for compression molding or extrusion.
It provides high heat resistance, electrical insulation, arc resistance, waterproofing, and moisture resistance.
|
Property |
Specification |
|
Density / Specific Gravity |
1.75–1.95 g/cm³ |
|
Hardness |
20–90 Shore A (customizable) |
|
Tensile Strength |
0.35–15 MPa (depending on formulation) |
|
Elongation |
150–400% |
|
Tear Strength |
15–25 kN/m |
|
Service Temperature |
-60°C to 230°C |
|
Biocompatibility |
FDA, NSF approved |
|
Color |
Customizable |
Product Applications
Automotive: Seals automotive parts like engines, air conditioning, and fuel systems.
Medical Devices: Used in medical pumps, valves, and other equipment for safe and reliable sealing.
Food & Beverage: FDA-approved for use in food processing and packaging systems.
Aerospace: Provides reliable seals for aerospace components under extreme temperatures and pressure.
Electronics: Seals electrical connectors and enclosures, protecting against dust and moisture.
Oil and Gas: Used in pumps and valves in high-pressure systems.
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](http://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](mailto:yunying2@bestsealhk.com)
Add: Unit 522-525, Gaodian Road 6#, Huli District, Xiamen, China
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