Wholesale custom silicone o rings
KA-Ring 04
1. Material: Food grade silicone
2. Size: Customize size
3. Color: Customize color
4. Shape: Customize shape
5. Packing: 1000pcs/poly bag or customize
2. Size: Customize size
3. Color: Customize color
4. Shape: Customize shape
5. Packing: 1000pcs/poly bag or customize
Delivery
EXW
minimum order
2000 pieces
Supply Ability
1000000pieces / Month
Country of Origin
China
Stock Time
10-15Day
Quantity:
US $0.10 - US $0.30 / pieces

Picture of shown only for reference, not for sale. Welcome to customize.
Silicone o rings Introduction
Our silicone rubber o rings are precision-engineered sealing components widely used in industrial, automotive, medical, electronic, and household applications. Manufactured from high-quality silicone rubber, these O-rings provide excellent sealing performance under extreme temperature, pressure, and environmental conditions.
As a professional silicone manufacturing factory in China, we offer full OEM and ODM services for custom silicone o rings supporting engineers, product designers, distributors, and industrial buyers worldwide.
We produce silicone rubber o rings based on drawings, samples, or detailed specifications, ensuring accurate dimensions, stable sealing performance, and long-term durability.

Why Choose Our Silicone O Rings
Our silicone o rings are designed for reliable sealing in demanding environments where failure is not an option.
Key advantages include:
- Wide temperature resistance (-40°C to 230°C)
- Excellent compression set resistance
- Strong sealing performance under pressure
- UV, ozone, and aging resistance
- Non-toxic and environmentally friendly
- Stable elasticity over long-term use
- Compatible with multiple industrial fluids
- Custom hardness and sizing available
Whether used in static or dynamic sealing systems, our silicone rubber o rings ensure consistent and reliable performance.


Silicone O Rings Features
High Precision Manufacturing
We produce silicone o rings according to ISO standards or fully customized dimensions with tight tolerance control.
Industrial & Medical Grade Materials
Available in food-grade, medical-grade, and industrial-grade silicone rubber depending on application requirements.
Excellent Temperature Stability
Maintains elasticity and sealing performance in both high-temperature and low-temperature environments.
Chemical & Environmental Resistance
Resistant to water, ozone, UV, oxidation, and many industrial chemicals.
Flexible Custom Engineering
Supports custom cross-section shapes, hardness levels, and performance optimization.
OEM & ODM Support
Full customization including color, hardness (Shore A), material formulation, and packaging.


Applications
Silicone rubber o rings are widely used in:
- Automotive sealing systems
- Hydraulic & pneumatic equipment
- Medical devices
- Electrical & electronic components
- Household appliances
- LED lighting systems
- Industrial machinery
- Food processing equipment
- Water filtration systems
- Aerospace & aviation components

OEM & ODM Customization Service
We provide full engineering customization for silicone o rings based on your application requirements.
Customization options include:
- Custom inner/outer diameter design
- Cross-section profile optimization
- Material selection (LSR / VMQ / food-grade / medical-grade)
- Shore hardness adjustment
- Color matching (Pantone system)
- Chemical resistance formulation
- Surface treatment options
- Logo marking (if required)
- Custom packaging solutions
- Prototype development
We support both prototype sampling and mass production.

Why Choose Kaiao
- 18+ years silicone manufacturing experience
- Advanced molding production lines
- Professional engineering support team
- OEM & ODM customization capability
- Stable global supply chain
- Strict industrial QC system
- Fast prototyping service
- Export experience to 30+ countries
We are not just a supplier — we are your long-term silicone sealing solutions partner.

Request a Quote
Looking for a reliable siliocne rubber o ring suppliers in China?
We provide high-precision silicone o rings for industrial, automotive, medical, and electronic applications. Contact us for engineering support, samples, and factory-direct pricing.
Comprehensive score