Jiangsu Kunyuan Rubber & Plastic Technology Co.,Ltd
                                                                                                           
Verified Supplier
22 Years
Since 2004
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EPDM 70-80 Hardness Custom Sealing O-Rings for High Temperature and Steam Applications

Price Negotiable
Price: Negotiable
MOQ: 1000
Delivery Time: 5-8 work days
Brand: FOLON.A
Product Description
Custom EPDM 70 Hardness Sealing O-Rings
Material Specifications
Material EPDM
Color Black
Hardness 70-80
Performance Features High temperature and steam resistance, excellent gas impermeability
Functions Hole seal, oil seal, water seal, fixed seal, shaft seal
Key Advantages
  • Excellent weather and ozone resistance
  • Compatible with alcohol and ketone fluids
  • High temperature and steam resistance up to industrial standards
  • Superior gas impermeability for demanding applications
  • Ideal for bathroom equipment seals and automotive radiator systems
Material Limitations
  • Poor oil resistance - not recommended for petroleum-based applications
  • Not suitable for food-related use or exposure to aromatic hydrogen
Compliance Certifications
  • FDA compliant materials available
  • Class VI certification options
  • UL listed variants
  • Military specification (Mil-Spec) compliance
  • 3/A sanitary standards
  • NSF 51/61 certifications
  • Custom formulations for specific regulatory requirements
EPDM 70 hardness sealing O-ring product demonstration
Custom EPDM O-ring manufacturing and quality control
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 from a 25,000 square meter facility equipped with automated injection molding machines and quality inspection systems. Our ERP-integrated processes ensure consistent quality matching European, US, and Japanese standards. We serve leading construction machinery manufacturers including SANY Heavy Industry and XCMG, and are approved suppliers for Eaton, Danfoss, Caterpillar, and Case New Holland.

Frequently Asked Questions
What payment terms do you accept?
We accept T/T with 30% deposit and 70% balance against copy of B/L, L/C at sight, Western Union, VISA, and PayPal.
Can you supply different color materials?
Yes, we can produce custom molded rubber and silicone products in various colors. Please provide color codes with your order specifications.
Do you have products in stock?
We maintain standard models in stock. Special products and large orders are manufactured according to your specific requirements.
What is the life expectancy of the rubber seal?
Product life depends on environmental conditions, cycles, pressure, and other operational factors. Accelerated life testing in dynamic applications is recommended to determine expected lifespan.
What products can you supply?
O-Rings, non-standard custom sealing rings, custom rubber parts, X-rings, and PU components.

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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