Dongguan Ruichen Sealing Co., Ltd.
TO BE O RING KING
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Black Abrasion Resistance NBR 70-75 shore O-Rings for Repair Machine
Type: O Ring
Size: ID * CS, OD=ID + 2*CS
AS 568 Standard size, with cross section, 1.78mm, 2.62mm, 3.53mm, 5.33mm, 6.99mm
JIS B2401 Standard size,with cross section, 1.90mm, 2.40mm, 3.10mm, 3.50mm, 5.70mm,
8.40mm
GB3452.1 Standard size, with cross section, 1.80mm, 2.65mm, 3.55mm, 5.30mm, 7.00mm
Metric Size, with cross section, 1.00mm, 1.50mm, 2.00mm, 2.50mm, 3.00mm, 3.50mm, 4.00mm,
4.50mm, 5.00mm, 5.50mm, 6.00mm, 7.00mm, 8.00mm, 10.00mm, 12.00mm
NBR material
| Material | NBR(Nitrile Rubber/Buna-N) |
| Advantage | 1,Excellent Abrasion-Resistance,Good Rebound Resistance |
| 2,Good Tensile Strength and Elongation | |
| 3,Excellent Animal and Vegetable Oil Resistance | |
| 4,Good Oil and Fuel Resistance | |
| 5,Good Water Resistance | |
| Disadvantage | 1,Poor Oxygenated-Solvent Resistance |
| 2,Poor Ozone Resistance | |
| Temperature | -40℃-120℃, -50℃-150℃(special formula) |
| Application | 1,Fuel tank, lubricating oil tank and oil in the hydraulic oil, gas, water, silicone grease, silicone oil and other fluid medium rubber parts, especially the sealing parts. |
| 2,It is currently the most widely used, the lowest cost of rubber seals. |
Following elastomers can be use in O ring :
* Aflas® or Kalrez®(FFKM)
* Acrylate Rubber(ACM)
* Butyl Rubber(IIR)
* Ethylene-propylene (EPR, EPDM)
* Ethylene Acrylate Rubber(AEM)
* Fluorocarbon (FKM/FPM/FKM)
* Fluorosilicone(FVMQ)
* Hydrogenated Nitrile (HNBR)
* Neoprene Rubber(CR)
* Nitrile Rubber (Buna-N/NBR)
* Natural Rubber(NR)
* Polyurethane(PU)
* Silicone Rubber
* Styrene-butadiene Rubber (SBR)
For color , we can make as customers' requirements .Below table is the colorful o rings
we made.If you need colored o rings , you can give me color number .
Our Factory
Rui Chen Sealing Co., Ltd was built in 2006, now there are more than 200 staff. The company has two branches
in Guangdong and Jiangxi, They are Dongguan Rui Chen Sealing Co., Ltd. and Shangrao Rui Chen Sealing Co., Ltd..
In recent years, the company has been supported by ShangRao municipal government and fully enjoy all the
preferential policies for economic development zone. We will always take "best quality, best service" as our
mission, and make progress together with you, harmony and mutual win!
Certificates
Progress
FAQ
Q: 1 What kinds of materials can you provide?
A: NBR, EPDM, SILICONE,FKM(FKM),NEOPRENE(CR), HNBR ,NR, IIR, SBR, ACM, AEM,Fluorosilicone(FVMQ),
FFKM etc.
Q: 2 How to select the raw compound for my application?
A: With years of experience working with a variety of material, we can help select the material that will best suit your
needs while keeping material costs in mind.
Q: 3 How long can we get the quote?
A: If your information is complete, we will provide the quotation within 8 hours.
Q: 4 Can you provide samples? Is it free or extra?
A: Yes, we can provide samples for free. Freight can be negotiated.
Q: 5 What is the normal lead time for product orders?
A: If the stock generally takes 3-7 days, mold about 15-18 days, no mold about 25-30 days, depending on the product
situation.
Q: 6 How to check the quality of the bulk order?
A: We have incoming inspection, control the quality of raw materials, process inspection,to ensure the quality of the
production process, shipping 100% of the full inspection; automatic inspection machine full inspection, and according
to customer needs before the mass production of pre-production samples.
Q: 7 What is your standard packing?
A: Plastic bag for inner packing .carton box for outer packing also be packed according to customer's requirements.
Q: 8 What's the payment term?
A: We accept T/T 30% deposit and 70% balance against copy of B/L or L/C at sight, Paypal is also accepted.