High-performance fluorocarbon rubber O-rings with 30-90 ShoreA hardness, specifically engineered for demanding oil and gas sealing applications.
Electrical Appliances, Hydraulic Systems, Automotive, Furniture, Machinery, Electronics, Household, Medical, Water Industry, Food Industry
Sealing Solutions
- Oil Sealing
- Air Sealing
- Waterproofing
- Solvent Resistance
- Heat Resistance
- Dust Prevention
- Shock Absorption
- Skid Resistance
- Decorative Applications
Available O-Ring Materials
VITON, Silicone, EPDM, NBR, HNBR, NR, Neoprene, Dupont Viton, FFKM, FVMQ, Aflas, and more
FKM Fluorocarbon Rubber Properties
Fluorocarbon elastomers represent a major advancement in sealing technology, offering exceptional chemical compatibility, wide temperature range, low compression set, and superior aging characteristics.
Temperature Range: -26°C to +205°/230°C (-15°F to +400°/440°F)
Short-term operation at higher temperatures is possible. Specialized compounds with enhanced chemical resistance are continuously developed through our R&D programs.
FKM Material Characteristics
| Material |
FKM/FPM |
| Advantages |
- Excellent High Temperature Resistance
- Superior Abrasion Resistance
- Exceptional Oil Resistance
- Superior Weathering Resistance
- Excellent Ozone Resistance
- Good Water Resistance
|
| Limitations |
- Limited Low Temperature Resistance
- Poor Oxygenated-Solvent Resistance
|
| Temperature Range |
-20°C to 250°C, -40°C to 250°C (special formulations)
|
| Applications |
Automotive, Aerospace, Electronic Products
|
Material Comparison Table
| Property |
Viton O-ring |
Silicone O-ring |
NBR O-ring |
HNBR O-ring |
EPDM O-ring |
NR O-ring |
Neoprene O-ring |
| Abbreviation |
FKM |
Silicone |
NBR |
HNBR |
EPDM |
NR |
Neoprene |
| Durometer (ShoreA) |
60-90 |
30-90 |
20-95 |
50-90 |
30-90 |
20-90 |
20-95 |
| Tensile (P.S.I) |
500-2000 |
200-1500 |
200-3000 |
2600 |
500-2500 |
500-3500 |
500-3000 |
| Elongation (Max.%) |
300 |
700 |
600 |
530 |
600 |
700 |
600 |
| Compression Set |
Good |
Good |
Good |
Excellent |
Good |
Excellent |
Good |
| Resilience-Rebound |
Fair |
Good |
Good |
Excellent |
Good |
Excellent |
Excellent |
| Abrasion Resistance |
Good |
Fair to Poor |
Excellent |
Excellent |
Good |
Excellent |
Excellent |
| Tear Resistance |
Good |
Poor |
Good |
Excellent |
Fair |
Excellent |
Good |
| Solvent Resistant |
Excellent |
Poor |
Good to Excellent |
Good |
Poor |
Poor |
Fair |
| Oil Resistant |
Excellent |
Fair to Poor |
Good to Excellent |
Excellent |
Poor |
Poor |
Fair |
Quality Certifications
ISO 9001:2015, ISO 14001:2015, ISO 45001:2018, IATF, FDA, REACH, ROHS, SGS
Custom Color Options
We can produce O-rings in custom colors according to customer requirements, including Pantone color matching.
Additional Product Capabilities
Automotive Rubber Seals, Connector Rubber Seals, Power Tool Rubber Seals, Valve Rubber Seals, Pipe Rubber Seals, Semiconductor Rubber Seals, Hydraulic Pneumatic Rubber Seals, Pump Rubber Seals, Oil and Gas Seals, Food Grade Rubber Seals, Medical Rubber Seals, Chemical Equipment Rubber Seals, and more.
Manufacturing Excellence
Established in 2006, Rui Chen Sealing Co., Ltd. employs over 200 staff across facilities in Guangdong and Jiangxi provinces, maintaining our commitment to "best quality, best service."
Quality Assurance Standards
- Raw Material Inspection: ASTM D2000, HG/T 2579-2008, HG/T 2811-1996
- Dimensional Tolerance: GB/T 3452.1-2005
- Appearance Quality: GB/T 3452.2-2007
- Hardness Measurement: Micro O-Ring Testing (Type M system)
- Hardness Standard: ASTM D2240 Rubber Standard Test Method (Shore A)
- Sampling Inspection: GB/T2828.1-20
Manufacturing Process Flow
Our precision manufacturing process includes formulation, molding, curing, and finishing stages with integrated quality control gates to ensure every O-ring meets exact specifications.
Trusted by Industry Leaders
International Presence
Engaging with global partners through international exhibitions to discuss sealing technology and application solutions.
Why Choose Rui Chen Sealing?
High Quality
Pursuing 100% customer satisfaction through continuous quality improvement.
Professional Expertise
Rich experience in materials, production, and international trade communication.
Best Services
Comprehensive support from quoting and sampling to production and after-sales service.
10,000+ Projects Delivered
Extensive project experience with positive customer feedback worldwide.
Competitive Pricing
ISO management system and intelligent manufacturing ensure cost-effective solutions.
Massive Capacity
In-house facilities and strong material partnerships enable unlimited production capacity.
Fast Delivery
Experienced engineers and flexible production systems ensure rapid turnaround times.
1,000+ Happy Customers
Reliable quality, fast delivery, and excellent service build long-term customer relationships.
Frequently Asked Questions
Q: What kinds of materials can you provide?
A: NBR, EPDM, Silicone, FKM (Viton), Neoprene (CR), HNBR, NR, IIR, SBR, ACM, AEM, FluoroSilicone (FVMQ), FFKM, and more.
Q: How to select the raw compound for my application?
A: With years of material experience, we help select the optimal material for your needs while considering costs.
Q: How long can we get the quote?
A: Complete information ensures quotation within 8 hours.
Q: Can you provide samples? Is it free or extra?
A: Yes, we provide free samples with negotiable freight terms.
Q: What is the normal lead time for product orders?
A: Stock items: 3-7 days; With mold: 15-18 days; Without mold: 25-30 days (depending on product specifics).
Q: How to check the quality of the bulk order?
A: Comprehensive quality control including raw material inspection, process monitoring, 100% final inspection, and pre-production samples as needed.
Q: What is your standard packing?
A: Plastic bags for inner packing, carton boxes for outer packing, or customized according to customer requirements.
Q: What's the payment term?
A: T/T 30% deposit and 70% balance, PayPal also accepted.
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