Dongguan Ruichen Sealing Co., Ltd.
TO BE O RING KING
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Good Quality Heat-Resistant Rubber Seals Fireproof Silicone Rubber O Ring
Introduction for O Rings
Standard sizes for silicone 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 | SIL(Silicone Rubber) |
| Advantage | 1,Excellent Rebound Resistance |
| 2,Excellent Oxygen and Ozone Resistance | |
| 3,Excellent Weathering and Heat Resistance | |
| 4,Excellent Heat and Low Temperature Resistance | |
| 5,Good heat insulation and heat dissipation. | |
| 6,Good electrical insulation | |
| Disadvantage | 1,Poor Aliphatic-solvent Resistance |
| 2,Poor Alkaline Resistance | |
| Temperature | -40℃-220℃, -100℃-250℃(special formula) |
| Application | 1,the household appliances industry seal or rubber parts, such as electric kettle, electric irons, microwave oven rubber parts. |
| 2,The electronics industry seal or rubber parts, such as mobile phone keys, shock pad DVD, cable joint seal etc. | |
| 3,Contact with the human body on various types of products on the seal, such as water bottles, water dispensers |
For Silicones the service temperatures are from -60 ℃ to 225 ℃. Some special types can be used in extreme
temperatures up to 300 ℃ and down to -100 ℃.
Silicone rubber performs well under environmental and temperature extremes. It is usually applied in automotive
and aerospace industries where flexibility and longevity are important. It is also a suitable material for parts that
need food grade for food handling equipment and appliances.
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.