Hangzhou Bright Rubber Plastic Product Co., Ltd. is one of the leading manufacturers and suppliers of o-rings water resistant fluorine rubber seals in China. If you're going to buy o-rings water resistant fluorine rubber seals made in China, welcome to get more information from our factory. We also accept customized orders.
Engineered for the Extreme: Fluorine Rubber Water-Resistant Seals
From the Factory Floor to the Front Line
In the world of industrial manufacturing, a seal is never just a ring of rubber. It is a critical component that stands between operational efficiency and costly downtime. At our facility, we don't just mold rubber; we engineer peace of mind. Our Fluorine Rubber (FKM) O-Rings are the result of decades of compounding expertise, precision molding, and a relentless pursuit of chemical resistance.
When you choose our water-resistant fluorine rubber seals, you aren't buying a generic off-the-shelf part. You are integrating a component designed to survive aggressive media, high temperatures, and dynamic pressure environments.
Product Description
Product Description
| Material | NR, NBR, SBR, CR, EPDM, TPR, TPU, Silicone, AEM, ACM, FVMQ/Fluorosilicone, FKM, FFKM HNBR, PU, Foam rubber, etc. ASTM D2000 standard. |
| Hardness | 20-85 Shore A, ± 5 Shore A |
| Temperature | -40°C to +300°C |
| Size | According to the drawing or sample |
| Color | According to your requirement (Panton or RAL color card) |
| Application | Automotive, industrial, machinery, electrical, medical, household etc |
| Performance | Good sealing & damping; Waterproof; Aging/ozone/oil/pressure resistance; Low & high temperature resistance |
| Mode of Production | Compression, injection, injection transfer, extrusion, silicone liquid injection |
| Production Capabilities | Machines including 150T,200T,250T, 300T and 500T |
| Testing instruments | Vulcanization tester, tensile tester, rubber durometer, insulation resistance tester etc |
| Rubber Compound | Can be FDA, RoHs or REACH approved, and free test slabs and hardness testers can be offered for customer's testing |
| Package | Inner plastic bag/outside carton/wooden pallets/ or any other special package as per customer's requirements |
| Notes | Models and logos can be customized as your requirements; Designs and specifications are accepted |
PRODUCTS SATNDARD:
| QUALITY CERTIFICATE | ISO 9000, TS16949, FDA, REACH, ROHS |
| MATERIAL STANDARD | ASTM D2000, SAE J200 OR AS PER DRAWING |
| TOLERANCE STANDARD | RMA A1,A2,A3, DIN ISO 3302-1,DIN-7715/BS-3734 OR AS PER DRAWING |
| COLOR STANDARD | PANTONE COLOR, RAL COLOR |
PRODUCT DISPLAY
Material Science: Why FKM?
Fluorine Rubber, commonly known by the industry standard FKM, is a high-performance elastomer. Unlike standard nitrile or EPDM rubber, FKM is engineered to handle the harshest environments.
Chemical Fortress: Our FKM O-Rings are virtually inert to a vast range of chemicals. From aliphatic hydrocarbons to aromatic solvents, these seals maintain their integrity where others would swell or degrade.
Thermal Stability: Standard rubber seals often harden and crack under heat. Our fluorine rubber compounds maintain their sealing force from -15°C up to 230°C.
Water & Steam Resistance: While FKM is famous for oil resistance, our specific compound formulations offer excellent resistance to hot water and steam, making them versatile for multi-media applications.
The Manufacturing Process: Precision in Every Batch
We believe that quality is manufactured, not inspected. Our production floor operates under strict quality management systems to ensure that every O-ring meets exact specifications.
Compounding: We start with high-purity raw polymers. Our internal compounding lab mixes the base FKM with specific curatives and fillers to achieve the desired hardness (Shore A 70 is standard, but we customize from 60 to 90) and physical properties.
Molding & Vulcanization: Using state-of-the-art injection and compression molding machines, we cure the rubber under precise temperature and pressure. This ensures uniform density and eliminates voids or weak spots.
Deflashing & Trimming: A seal is only as good as its surface finish. We utilize cryogenic deflashing for high-precision parts, ensuring a clean parting line and zero flash that could compromise a seal.
Post-Curing: This is a step many competitors skip. We subject our FKM O-rings to a secondary post-cure cycle. This removes volatile by-products and maximizes the compression set resistance, ensuring the ring bounces back after being squeezed.
PRODUCT DETAILS
Key Performance Characteristics
Our water-resistant fluorine rubber seals are designed for critical applications. Here is the technical breakdown of what our factory delivers:
| Feature | Specification / Benefit |
|---|---|
| Hardness | 70 ±5 Shore A (Customizable) |
| Temperature Range | -15°C to +230°C (Short spikes up to 250°C) |
| Tensile Strength | ≥ 14 MPa |
| Elongation | ≥ 150% |
| Compression Set | Excellent (Resists permanent deformation) |
| Color | Standard Black (Green/Blue available for specific grades) |
Application Scenarios
Because of their versatility, our FKM seals are deployed across various sectors.
Automotive & Transportation
In fuel injection systems and transmission units, our seals prevent leaks of aggressive fuels and lubricants. Their resistance to heat ensures they survive near the engine block.
Chemical Processing
Handling acids, solvents, and oils requires a seal that won't degrade. Our FKM O-rings are standard in pumps, valves, and pipe fittings within chemical plants.
Oil & Gas
Downhole drilling and refining involve high pressure and sour gas (H2S). Our specialized FKM compounds are resistant to rapid gas decompression (RGD), preventing the seal from exploding or blistering during pressure drops.
Food & Beverage (FDA Compliant)
We offer specific FKM grades that meet FDA and NSF standards. These are essential for steam sterilization (CIP/SIP) processes in food manufacturing, where the seal must withstand caustic cleaning agents and high-temperature steam.
Customization & OEM Services
We understand that standard AS568 or Metric sizes don't fit every application. As a direct manufacturer, we offer:
Custom Tooling: We can design and cut molds for non-standard sizes, X-rings, or custom gaskets.
Material Certification: Every batch comes with a batch number and can be accompanied by material certificates (ROHS, REACH, UL, FDA) upon request.
Prototyping: We work with engineering teams to test compounds in real-world conditions before full-scale production.
Quality Assurance
Trust is earned through consistency. Our quality control lab performs daily tests on raw materials and finished goods. We utilize optical sorting machines to detect surface defects and dimensional inaccuracies.
We don't just sell O-rings; we provide a sealing solution. When you partner with us, you are partnering with a factory that understands the chemistry of rubber and the physics of sealing.
Ready to secure your supply chain with high-performance seals? Contact our engineering team today for a quote or a sample kit.
| Order Solution | |
| Order | OEM or ODM welcome. Free sample or slab/button of material for your quality evaluation, mold sample in accordance with drawing for approval of mass production, |
| Payment terms | L/C, T/T, WEST UNION, MONEYGRAM, PAYPAL, ESCROW |
| Lead time | 3~5 weeks for mold production, and 1~2 weeks for mass production |
| Package | As per customer's favour. Shock-absorbing bags, Cartons, Wooden box, and wooden or plastic pallet, |
| Delivery term | FOB CHINA, CIF destination port, DDP customer's warehouse/address of goods |
| Shipment | By air mail, by sea, by express like DHL, Fedex, UPS, TNT, EMS |
| Quality Control | Sample approval before order, and QC test |
FAQ:
Q: Are you manufacturer or trading company?
A: we are manufacturer.
Q: How to get the quickest quotation?
A: send e-mail with drawing directly.
Q: How to get quotation without drawing?
A: possible send sample, pictures or detail descriptions of products to us, we will return you drawing for confirm.
Q: How about sample?
A: free sample is available for your quality evaluation, but you should pay the freight. Regarding customize products, sample and mould order will go first before mass production.
If any needs or questions, pls contact with us freely.
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