Our Factory Made Customizable O Rings are precision-engineered for reliable sealing in plumbing, machinery, automotive, and industrial applications.
Every O-ring is produced under strict quality control, ensuring consistent performance and durability.
Whether you need standard sizes or fully customized solutions, our factory can deliver high-quality O-rings tailored to your specifications.
Size Range & Compliance
Our O-rings are available in a wide range of standard sizes, including AS568 and metric specifications, and can be fully customized according to your requirements.
We have successfully produced O-rings as small as 0.2 mm in diameter, demonstrating our precision manufacturing capabilities.
Whether you need extremely tiny O-rings for micro-mechanical applications or large-size O-rings for industrial and hydraulic systems, we can deliver exact dimensions, tailored hardness, and your preferred material.
- •Fully Customizable: Diameter, thickness, hardness, and color can be adjusted to match any equipment or project.
- •Extreme Precision: Production capability down to 0.2 mm, ensuring even micro O-rings meet strict quality and tolerance standards.
- •Versatile Applications: Suitable for plumbing, automotive, industrial machinery, garden equipment, and even food-grade systems.
Functions
1. Sealing Protection
Rubber O-Ring For Bunnings creates a reliable seal between pipe joints, fittings, or mechanical components, effectively preventing leakage of liquids or gases under various working pressures.
2. Durability & Environmental Resistance
Made from high-quality rubber materials such as NBR, EPDM, or FKM, it withstands oil, ozone, and chemical corrosion, ensuring long service life even under outdoor or industrial conditions.
3. Shock Absorption & Vibration Reduction
The elastic structure of Rubber O-Ring For Bunnings absorbs vibration and mechanical stress, reducing noise and protecting parts from wear.
4. Custom Fit & Easy Replacement
We provide full customization - including material, hardness, and size - ensuring a perfect fit for Bunnings equipment and tools.
Material Comparison Table
|
Material |
Abbr. |
Hardness (Shore A) |
Temp Range |
Key Features |
Advantages |
Limitations |
Typical Applications (Concise) |
|
Nitrile Rubber |
NBR |
30–90 |
-40°C ~ +120°C |
Oil/fuel resistance |
Affordable, versatile. |
Poor ozone/weather resistance. |
Hydraulic systems, General machinery. |
|
Styrene-Butadiene |
SBR |
40–80 |
-50°C ~ +100°C |
Good resilience |
Low cost, elasticity. |
Poor oil/solvent resistance. |
Non-petroleum brake fluid, Dampeners. |
|
Natural Rubber |
NR |
30–80 |
-60°C ~ +80°C |
Highest tensile strength |
Excellent elasticity. |
Poor heat resistance, zero oil resistance. |
Shock mounts, Elastic gaskets. |
|
Chloroprene |
CR (Neoprene®) |
50–80 |
-40°C ~ +100°C |
Weather/refrigerant resistance |
Good general-purpose. |
Poor resistance to aromatic oils. |
Refrigeration, Marine sealing. |
|
Ethylene Propylene |
EPDM |
40–90 |
-50°C ~ +150°C |
Weather/Water/Steam resistance |
Excellent outdoor performance. |
Poor oil/fuel resistance. |
Plumbing, Brake fluid, HVAC systems. |
|
EPDM Peroxide Cure |
EPDM (P-Cure) |
60–90 |
-50°C ~ +150°C |
Higher thermal stability |
Reliable for hot water/steam. |
Poor oil/fuel resistance (same as std EPDM). |
Automotive cooling, Steam applications. |
|
Butyl Rubber |
IIR |
40–75 |
-40°C ~ +120°C |
Excellent gas impermeability |
Suitable for vacuum. |
Poor resistance to petroleum oils/solvents. |
Vacuum seals, Pharmaceutical stoppers. |
|
Carboxylated Nitrile |
XNBR |
70–95 |
-30°C ~ +100°C |
High abrasion resistance |
Excellent for dynamic sealing. |
Lower flexibility than NBR. |
High-pressure seals, Industrial rollers. |
|
Polyurethane |
PU |
60–95 |
-40°C ~ +85°C |
Extreme mechanical strength |
Preferred for high-pressure. |
Poor resistance to hot water/steam (hydrolysis). |
High-pressure hydraulic cylinders. |
|
Hydrogenated Nitrile |
HNBR |
50–90 |
-40°C ~ +150°C |
Heat/oil/high strength |
Superior durability. |
Higher cost than standard NBR. |
Automotive A/C, Oilfield equipment. |
|
Polyacrylate |
ACM |
50–80 |
-20°C ~ +150°C |
Resistance to hot oil |
Suits transmission fluids. |
Poor low-temperature flexibility, poor water resistance. |
Automotive transmissions, Engine seals. |
|
Silicone |
SI(VMQ) |
5–90 |
-60°C ~ +230°C |
Wide temp range, food-grade |
Excellent high/low-temp. |
Low mechanical strength, poor oil resistance. |
Food/beverage, Medical devices. |
|
Fluorosilicone |
FSI (FVMQ) |
40–80 |
-60°C ~ +180°C |
Oil and low-temp resistance |
Suitable for aerospace fuel. |
Poor tear strength, high cost. |
Aircraft fuel systems, Low-temp oil seals. |
|
Fluorocarbon |
FKM (Viton®) |
50–90 |
-20°C ~ +250°C |
Excellent heat/chemical/oil resistance |
Suitable for corrosive fluids. |
Higher cost, poor performance with hot water/steam. |
High-temp auto engines, Chemical pumps/valves. |
|
Polytetrafluoroethylene |
PTFE (Teflon) |
50-65D |
-200°C ~ +260°C |
Extreme chemical resistance |
Non-Elastomer, resists most chemicals. |
No elasticity (requires mechanical energizer). |
Chemical equipment seals, Bearings. |
|
Perfluoroelastomer |
FFKM |
60–90 |
-30°C ~ +320°C |
Universal Chemical Resistance |
Ultimate reliability in extreme heat. |
Extremely high cost. |
Chemical processing, Semiconductor. |
|
Internally Lubricated |
- |
Varies |
Varies |
Contains internal lubricant |
Reduces friction, aids assembly. |
Higher formulation cost, lubricant may leach out over time. |
Automated assembly lines, Pneumatic cylinders. |
|
Thermoplastic Rubber |
TPR |
5A-85D |
-50°C ~ +135°C |
Combines plastic/rubber traits |
Recyclable, easy to mold. |
Limited temperature range and chemical resistance. |
Consumer goods, Non-critical sealing. |
O Ring Applications
They provide reliable sealing performance without deformation or leakage.
Typical Applications:
Plumbing systems: Prevent water leakage in joints and pipes.
Machinery & equipment: Used for hydraulic and pneumatic sealing.
Automotive parts: Suitable for engine, fuel, and brake systems.
Home & garden tools: Replacement parts for Bunnings machinery and DIY projects.
Products Advantages
1. Long Service Life
The combination of high elasticity and chemical resistance ensures stable performance and minimal degradation over time, significantly extending equipment life.
2. Superior Sealing Effect
Even under high pressure and extreme temperature changes, Viton O-rings maintain tight sealing, effectively preventing leakage and reducing maintenance costs.
3. Environmentally Friendly Production
All materials comply with RoHS and REACH standards, ensuring environmental safety during use.
Why Choose US ?
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
Focus on Quality
•Precise inspection, zero-defect quality, ensuring both delivery time and quality.
•Meets the 125/1008H high-temperature aging test requirements of the new energy industry;
•Withstands commercial cleaner (Alcohols, Alkalis, Oils) test requirements.
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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