Dongguan Ruichen Sealing Co., Ltd.
TO BE O RING KING
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Corrosion-Resistant Fluorocarbon FPM Piston Rod Seal High Temperature Resistant FKM O Ring for Hydraulic Cylinder
Introduction for O Rings
Standard sizes for FPM/FKM/Fluorocarbon rubber o rings :
• AS 568 Standard Sizes:
• Cross Section:1.78mm/2.62mm/3.53mm/5.33mm/6.99mm
• JIS B 2401 Standard Sizes:
• P type Cross Section:1.9mm/2.4mm/3.5mm/5.7mm/8.4mm
• G type Cross Section:3.1mm/5.7mm
• V type Cross Section:4mm/6mm/10mm
• S type Cross Section:1.5mm/2mm
| Material | FKM/FPM |
| Advantage | 1,Excellent High Temperature Resistance |
| 2. Excellent Abrasion-Resistance | |
| 3,Excellent Oil Resistance | |
| 4.Excellent Weathering Resistance | |
| 5.Excellent Ozone Resistance | |
| 6.Good Water Resistance | |
| Disadvantage | 1.Poor Low Temperature Resistance |
| 2.Poor Oxygenated-Solvent Resistance | |
| Temperature | -20℃~250℃ , -40℃~250℃(special formula) |
| Application | 1.For Auto |
| 2.For Aerospace | |
| 3.For Electronic Products |
For general type Viton, the service temperature is better limited to approximately -20 ℃ to 250 ℃ in static
applications, though the service temperature can arrive at 275 ℃ in a short time In dynamic applications,
it is suitable between -15 ℃ and 200 ℃.
Because FKM has excellent resistance to high temperature, oil, solvent, flame, chemicals, and weathering,
it is usually applied in automotive, chemical processing, aerospace, and many other industries.
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)
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
Cooperative partner
Ruichen company have cooperated with many superior customers as below , we have complete system and excellent productivity
to serve for you
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.