Black NBR70 NBR90 Round Rubber Seal Ring AS568 Standard Wire Diameter 3.53mm

Place of Origin CHINA
Brand Name DZK
Certification ROHS
Model Number AS568 Series
Document DZK-O-RING.pdf
Minimum Order Quantity 100PCS
Price Negotiations
Packaging Details 100pcs/bag
Delivery Time 7-10 days
Payment Terms T/T,L/C
Supply Ability 1000000PCS/MONTH
Product Details
Material NBR Color Black
Shape O Shape Hardness 70/90 Shore A
Temperature -35~100℃ Application Piston And Rod
Medium Hydraulic Oil, Fire Retardant Liquid, Water, Gas Tolerance +/-0.13
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NBR90 Round Rubber Seal Ring

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AS568
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Product Description
Black NBR70 NBR90 Round Rubber Seal Ring
O-Rings are round rubber seal rings with an O-shaped cross-section, designed for reliable sealing performance in various industrial applications.
Black NBR70 NBR90 Round Rubber Seal Ring AS568 Standard Wire Diameter 3.53mm 0
Product Specifications
Item O-ring
Material NBR
Hardness 70-90 Shore A
Temperature -35℃ to 100℃
Size CIS=3.53MM
Color Black
Medium Hydraulic oil, fire retardant liquid, water, gas
Applications
  • Machinery and equipment: Sealing parts for hydraulic systems, pneumatic systems, and transmission systems
  • Automotive industry: Engine, transmission, and brake system sealing components
  • Aerospace: High-performance sealing for aircraft safety and operation
Product Advantages
  • High dimensional accuracy for precise installation fit
  • Wide material selection for various working environments
  • Excellent sealing performance for liquids and gases
  • Superior abrasion resistance for extended service life
Packaging & Certification
Packaged in inner plastic bags with outer cartons. Custom packaging available upon request.
Certifications: CE, ROHS, SGS, ISO9001-2015
Black NBR70 NBR90 Round Rubber Seal Ring AS568 Standard Wire Diameter 3.53mm 1
Product Tags
hydraulic cylinder seals NBR90 seals NBR70 ORING O-RING packing
Black NBR70 NBR90 Round Rubber Seal Ring AS568 Standard Wire Diameter 3.53mm 2
Manufacturing Advantages
  • Available materials: NR, NBR, HNBR, FKM, FFKM, EPDM, CR, VMQ, PU, PTFE, PEEK, POM
  • ISO-9001:2015 certified manufacturing with ROHS/SGS compliance
  • Excellent chemical and physical properties including oil resistance, temperature resistance, and wear resistance
  • Custom design and manufacturing based on customer requirements
  • Available in various sizes and colors
Our Services
  • OEM and ODM services with customer drawings or samples
  • Competitive pricing, high quality, and reliable delivery
  • Custom design, sampling, and production services
  • 100% quality inspection before shipment
  • Installation guidance and technical support
  • 24-hour response time for inquiries
Frequently Asked Questions
How to choose materials?
Material selection depends on application environment including medium, temperature, pressure, and other operating conditions.
How to deliver the goods?
Small orders: Express delivery via DHL, FEDEX, UPS, TNT. Large orders: Air or sea freight options available.
Are you a manufacturer?
Yes, we specialize in hydraulic and pneumatic sealing products with ISO 9001:2015 certification. Materials comply with REACH and RoHS regulations. Customization and OEM production available.
Do you provide samples? Is it free?
Yes, we provide free samples with freight costs covered by the customer.
How is the quality?
All manufacturing processes follow ISO-9001:2015 standards with 100% inspection before shipment.