Jiangsu Kunyuan Rubber & Plastic Technology Co.,Ltd
                                                                                                           
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22 Years
Since 2004
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Custom NBR EPDM FFKM O-Rings 70-80 Hardness -50°C to 150°C Temperature Range Industrial Seals

Price Negotiable
Price: Negotiable
MOQ: 1000
Delivery Time: 5-8 work days
Brand: FOLON.A
Product Description
Product Overview

Custom NBR EPDM FFKM O-Rings provide superior sealing performance across diverse industrial applications. These high-quality silicone rubber seal rings offer exceptional chemical resistance and temperature stability.

Key Features & Benefits
  • Excellent resistance to acids, bases, and steam
  • Superior performance with greases and silicone oils
  • Compatible with phosphate ester hydraulic fluids
  • Weather and sunlight resistant for outdoor applications
  • Effective with glycol brake fluids (DOT 3, 4, 5.1)
  • Resistant to cleaning agents and ketones
  • Steam resistance up to 300°F (149°C)
Technical Specifications
Parameter Specification
Material EPDM
Color Black
Hardness 70-80 Shore A
Operating Temperature -50°C to 150°C
Performance Characteristics

Excellent Performance: Alcohols, automobile brake fluid, ketones, dilute acid and alkali, silicone oil and grease, steam up to 204.4°C, water, phosphate based hydraulic oil, ozone, aging and weathering.

Limited Performance: Aliphatic and aromatic hydrocarbons, diester based lubricant, halogenated solvent, petroleum based oil and grease.

Application Functions
  • Hole sealing
  • Oil sealing
  • Water sealing
  • Fixed sealing
  • Shaft sealing
Custom NBR EPDM FFKM O-Rings product display showing various sizes and applications Close-up view of silicone rubber O-ring seals demonstrating material quality and precision manufacturing
Available Elastomer Materials
Acrylate Rubber (ACM)
Butyl Rubber (IIR)
Ethylene-propylene (EPR, EPDM)
Ethylene Acrylate Rubber (AEM)
Fluorocarbon (FKM/FPM)
Fluorosilicone (FVMQ)
Hydrogenated Nitrile (HNBR)
Liquid Silicone Rubber (LSR)
Neoprene Rubber (CR)
Nitrile Rubber (Buna-N/NBR)
Natural Rubber (NR)
Polyurethane (PU)
Silicone Rubber
Styrene-butadiene Rubber (SBR)
Manufacturing Excellence

Jiangsu Kunyuan Rubber & Plastic Technology Co., Ltd. operates a 25,000 square meter manufacturing facility equipped with automated injection molding machines and quality inspection systems. Our ERP-integrated processes ensure product quality meets European, US, and Japanese standards. We proudly serve leading construction machinery enterprises including SANY Heavy Industry and XCMG, and are certified suppliers for EATON, Danfoss, Caterpillar, and Case New Holland.

Frequently Asked Questions
Q: What payment terms do you accept?
A: We accept T/T 30% deposit and 70% balance against copy of B/L or L/C at sight, West Union, VISA, and PayPal.
Q: Can you supply different color materials?
A: Yes, we produce custom molded rubber and silicone rubber products in various colors. Color codes are required for order specification.
Q: Do you have products in stock?
A: Standard models are available from stock. Special products and large orders are manufactured according to customer specifications.
Q: What is the life expectancy of the rubber seal?
A: Product life depends on environmental factors, cycles, pressure, and application conditions. Accelerated life testing in dynamic applications is recommended for specific life expectancy determination.
Q: What products can I purchase from you?
A: O-Rings, non-standard custom sealing rings, custom rubber parts, X-rings, and PU parts.

Get in Touch

Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company Jiangsu Kunyuan Rubber & Plastic Technology Co.,Ltd
Location Room 2303, Building 1, No. 218, Tianmu West Road (Kerry Night Inn), Jing'an District, Shanghai
Contact Person Lucy

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