Good Quality Different Size and Material O-Ring Seals for Industries

• Customization: Available
• Application: Cylinder
• Shape: O-Ring
• Model NO.: thousands of sizes available
• Product Name: Rubber O-Ring
• Color: Customized Color
• OEM: Accept OEM
• Sample: Available
• Size: Custom Size
• Feature: Oil Resistance
• MOQ: 50PCS
• Hardness: 20-90 Shore
• Transport Package: Plastic Bag; Customized
• Specification: any sizes
• Trademark: Doking
• Origin: Hebei, China
• Production Capacity: 500000pieces Per Day
• Package Size: 10.00cm * 10.00cm * 10.00cm
• Package Gross Weight: 1.000kg

Product Description

Products Description

Brand Name	DOKING
Product name	O-RING
Material type	nbr fkm hnbr ffkm epdm cr silicone etc.
Certification	ISO9001 CE
Hardness	30°-90°shore A
Colour	Custom Color
Size	Custom Size
Mould type	Stifle
Package	Plastic bag, carton outside
Applications	Machinery, mining, agriculture, home appliances, railroads, etc.
Performance	Resistant to aging, ozone, oil, tear and abrasion
Delivery time	A: 3 days if the products are in stock B: 7-9 days if we have mold but no stock(According to the quantity) C: 15-25 days if we don't have mold and inventory(According to the quantity)

NBR o-ring(Nitrile butadiene rubber)

Temperature Range:-20C to 250C
Hardness:50-90 Shore A
Color:Black/Brown/Green,other color can customize
Use:Oil resistance & Chemical situation
Advantage:Wear resistance,Acid and alkaliresistant,High temperature ersistance situation

EPM,EPDM o-ring(Ethylene Propylene Rubber)

Temperature Range:-50C to 150C
Hardness:40-90 Shore A
Color:Black/Brown/Green,other color can customize
Advantage:Excellent Ozone resistance,Heat resistance,Steam resistance,Coldresistnce,LLC resistance.

FKM o-ring(Fluorocarbon)

Temperature Range:-20C to 250C
Hardness:50-90 Shore A
Color:Black/Brown/Green,other color can customize
Use:Oil resistance & Chemical situation
Advantage:Wear resistance,Acid and alkaliresistant,High temperature ersistance situation

HNBR o-ring(Hydrogented Nitrile Butadiene)

Temperature Range:-30C to 160C
Hardness:50-90 Shore A
Color:Black/Brown/Green,other color can customize
Advantage:Excellent Ozone resistance,Mechanical strength,Ozone resistnce better than NBR

Factory Equipment

Company Profile

Doking Industrial Limited is specialized in rubber seals, PTFE seals, PU pressure seals and so on, with design, development, production all in one. The annual productivity is 50 million pcs seals and 10 million pcs PU products. The number of working staff is 100, including 25 technicians and senior engineers. The equipment for design, development, production is advanced and complete. Our products vary from five product lines and 1000 different products, such as reciprocating oil seals, rotary oil seals, valve oil seals, high pressures oil seals, PU products, Our seals have been exported to all over the globe, mainly to Europe and Asia. Doking Industrial Limited oil seal company takes everyman as its fundamental, and innovation as its soul. It put ISO/TS16949:2002 Quality Management System into action efficiently by earnestness, implement, honesty and communication. It is striving for meeting the customers' request and surpassing their expectation by depending on all staff participate, conducting Zero Defect manage-ment, controlling process strictly, improving processes continuously, quality products and service.

Production line & Our work shop

Our Competive Advantages

1 Have established rubber property test lab and have tensile strength machine,thermostatic oil tank, aging test machine, compression set test machine, secondary cure oven, Density test machine and so on.
2.Top quality custom rubber products that can completely meet your needs.
3. Fast production & in-time delivery that never delay your project and usage.
4. One-stop custom service and value-added service to save your time and cost.
5. OEM/ODM Services are available. We can design and produce various Non-standard Rubber Parts according to your PDF,3D or STEP drawing files.
6. All of rubber finished products are 100% inspected before shipment.

Delivery

FAQ

Q 1:Can you supply different color materials?
A 1: Yes, we can produce custom molded rubber and silicone rubber products in different colors, the color code will be required in case of an order.
Q 2: Do you have the products in stock?
A 2: Depends on your request ,We have standard models in stock. Some special products and big order will be newly produced according to your order.
Q 3: What is the life expectancy of the rubber seal?
A 3: Product life is contingent upon many factors, including environment, cycles, pressure, etc. Longcheng Rubber cannot predict seal life under all the varying conditions of operation. Accellerated life testing may be performed by customer to determine expected life, but must be conducted in dynamic application.
Q 4:what can you buy from us?
A 4:Mould,O Ring,Non-standard Custom Sealing Ring,AutoParts Rubber Parts.