Place of Origin:
SHANGRAO , CHINA
Brand Name:
ORK
Certification:
FDA/ISO 9001 /ISO 14001/ISO 45001 / IATF 16949
Model Number:
OEM/customized
Black EPDM 70 Shore Aging Resistance Rubber Washer for Pipe Seal
Type: Rubber washer
Size: A=ID , B=OD , C=THICKNESS
Rubber washer commonly used materials are rubber washer , silicone rubber washer and polyurethane rubber washer three
kinds, no special requirements of the standard machine are equipped with rubber washer; Silicone and polyurethane rubber
washer are mainly used for materials with special characteristics, such as high temperature, oily, corrosive and other materials.
The following describes the performance and advantages and disadvantages of silicone rubber washer :
property
1. Excellent sealing performance, waterproof and leak-free.
2. Good preservation effect, completely non-toxic and tasteless.
3. Can be heated under high temperature, no deformation, no harmful substances.
4. Good tensile resistance, after special inspection and testing.
5. Long-term use will not fade yellow.
6. Corona resistance, arc resistance, high and low temperature resistance, good aging resistance, high temperature resistance,
in line with FDA and SGS standards.
EPDM Rubber Washer
based products is required.Not recommended for usage in food applications or those that are exposed to aromatic
hydrocarbons.
Different elastomers have different compatibility with various chemical elements and their characteristics. See the
table below for more material knowledge to order the most cost-effective washer from us.
| Material | Hardness (Shore A) |
Temperature (ºC) |
Main Color | Advantage | Price Level | Shelf Life (Years) |
| NBR / Nitrile / Buna-N | 60-90 | -40 - 120 | Black | Good oil resistance & low price | Low | 5-10 |
| HNBR / HSN | 60-90 | -40 - 150 | Green | Suitable for the cooling industry | High | 5-10 |
| FKM / FPM / Viton | 70-90 | -20 - 200 | Brown | High-temperature & chemical resistance | High | About 20 |
| EPDM / EPR | 50-90 | -50 - 150 | Black | Excellent weather & ageing resistance | Fair | 5-10 |
| VMQ / Silicone | 40-80 | -70 - 220 | Red | High-temperature & FDA food grade | High | About 20 |
| Neoprene / CR | 50-90 | -40 - 120 | Black | Versatility Properties | Fair | 5-10 |
| FFKM | 70-90 | -10 - 320 | Black | Excellent chemical & high-temperature | Highest | About 20 |
| FVMQ / Fluorosilicone | 40-80 | -60 - 200 | Blue | Wider operating temperature range | High | About 20 |
| Aflas / FEPM | 40-90 | -2 - 230 | Black | Good chemical compatibility | Higher | About 20 |
| PU / polyurethane | 60-90 | -40 - 90 | Natural | High strength and wear resistance | High | About 10 |
Except Rubber Gasket for Electronic Home Appliances & electric seals , we can also produce rubber seals for
Automotive seals Oil & Gas seals , Coal Mining Machinery seal , Electronic Home Appliances & electric seals ,
Chemical equipment seals , Artificial intelligence & New Energy seal , Refrigeration seals , Aerospace seals ,
Hydraulic & Pneumatic seal , Food-grade seals ,Valve & pipe seals , Pump seals ...etc.
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!
Ruichen always meets our customers' requirements. To make sure we produce high-quality o-rings, our company implements the
following general standards:
1) Raw material incoming inspection standard ASTM D2000 & HG/T 2579-2008 & HG/T 2811-1996
2) Public o-ring dimensional tolerance GB/T 3452.1-2005
3) N-level specification for o-ring appearance quality inspection GB/T 3452.2-2007
4) Hardness measurement model Micro O-Ring Testing (Type M system)
5) Hardness using standard ASTM D2240 Rubber Standard Test Method (Shore A)
6) Sampling inspection specification GB/T2828.1-20
Progress
Cooperative partner
Ruichen company have cooperated with many superior customers as below , we have complete system and excellent productivity
to serve for you
International exhibition
Why RUICHEN?
Many big companies select RUICHEN for their rubber seals and customized rubber parts because we always
satisfy them in quality, price, delivery, service, etc. At the same time, we also attach great importance to the
small customers in niche markets.Whether your purchase quantity is big or small, you are our valuable partners.
High Quality
We continue to manufacture high-quality products for all customers and pursue 100% customer satisfaction,
which has become one of our core competencies.
Profession
We have rich experience in materials, products, and production and excellent international trade and language
communication skills.
Best Services
From quoting, sampling, production, and shipping to after-sales, our sales will provide you with the best service
so that you can rest assured completely.
10000+ Projects Delivered
Over 10K projects have been sent to our customers worldwide in recent years, and we have received countless
positive comments.
Low Price
Our customers can obtain maximum profits through the ISO management system and intelligent manufacturing
to reduce our costs continuously.
Massive Capacity
Our in-house facilities allow us to get your projects done fast. And thanks to our strong relationship with rapid
materials partners, our capacity is not limited.
Fast Delivery
Unlimited capacity, experienced engineers, and a flexible production system allow us to create your seals and
production parts in a short period.
1000+ Happy Customers
We aim to keep every customer happy with reliable quality, fast turnaround, and excellent services. We want all
our new customers to become long-term customers.
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.
Send your inquiry directly to us
