Black PU Aging Resistance Polyurethane Rubber for Shower Head Rubber O Ring
What is O Seal ring ?
O-Ring is a simple and versatile ring-shaped packing or sealing device with a circular cross section.
The opposite side of an O Ring are squeezed between the walls of the cavity or gland into which the
O -Ring is installed. The zero clearance within the gland provides an effective sealing and blocking
the flow of liquids, and gases through the glands. Internal pressure dynamics and static. O-rings are
available in a variety of materials, in both standard and custom sizes.
O-ring advantage:
O-rings have the following advantages compared to other types of seals:
-- Suitable for a variety of sealing forms: static seal, dynamic seal
Suitable for a variety of materials, sizes and grooves have been standardized, interchangeable
- Suitable for a variety of sports: rotary motion, axial reciprocating motion or combined motion
(such as rotary reciprocating combined motion)
- Suitable for many different sealing media: oil, water, gas, chemical media or other mixed media
Effective sealing of oil, water, air, gas and various chemical media through the selection of
suitable rubber materials and appropriate formulation design. The temperature range is wide
(-60 ° C ~ +220 ° C), the pressure can be up to 1500Kg / cm2 when used in fixed use (combined
with the reinforcing ring).
--Simple design, compact structure, easy to assemble and disassemble
The O-ring cross-section structure is extremely simple, and has a self-sealing effect, and the sealing
performance is reliable.
Since the O-ring itself and the mounting structure are extremely simple and standardized, installation
and replacement are very easy.
--More varieties of materials
Can be selected according to different fluids: nitrile rubber (NBR), fluororubber (FKM), silicone
rubber (VMQ), ethylene propylene rubber (EPDM), neoprene (CR), butyl rubber (BU), poly
Tetrafluoroethylene (PTFE), natural rubber (NR), etc.
--low cost
--The dynamic friction resistance is relatively small
PU Material & EPDM Material contrast
| Material | PU | EPDM |
| Features | PU is in widely used daily life, industrial and agricultural production, medicine and other fields.In the automotive industry used in the manufacture of damping products, in the mechanical industry used to manufacture seals, belt; In the medicine field is used to manufacture of artificial hearts etc. | EPDM rubber Widely used in auto parts,building waterproof materials, wire and cable sheath, heatresistant rubber hose, autom-otive seals, and other products. |
| Advantages | Outstanding abrasion resistance | Excellent aging, ozone and light stability |
| Easy to hydrolysis | Good resistance to ketones |
| Good resistance to oils and pressure | Excellent resistance to steam |
| | Extremely high wear resistance |
| Temperature range from | –40 °C to +90 °C(-40F to 194F) | –40 °C to +150 °C(-40F to +302F) |
| Hardness: | 60-95 Shore A | 30-90 Shore A |
Application
The o-rings used in cylinder, pump, railcars, truck, washing machine, instrument and meter, mine
equipment, pipeline, household appliances, automobile, steamboat, industrial electrical equipment,
building door& window, construction machinery, construction bridges and tunnel.
1. mechanical sealing, pressure vessel ,gas compressor, reaction vessel ,heat exchanger, boiler, filter
and so on.
2.it can be used for all kinds of electronic products in a wide range ,such as camera, mobile phone,
printer, computer.
3. Used for automobile windows and doors, etc...
4. Silk screen printing, spray coating, laser etching, back-lighted, hard/epoxy coating keypads.
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
1, IATF16949
2.ISO9001
3.ISO14000
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.
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