standard soft silicone rubber o ring 30*3.5, NBR 70 Shore A, o ring and mechanical seals
General Introduction of O Ring
An O-ring, also known as a packing, or a toric joint, is a mechanical gasket in the shape of a torus; it is a loop of elastomer with a round cross-section, designed to be seated in a groove and compressed during assembly between two or more parts, creating a seal at the interface.
Details
- Rubber O-ring seals - for binoculars, tools, automobiles, garage, plumbers, machinery, plant, repair, air and gas connected.
- For professional pipe, sealing pipe and sewer repair leaks family, bathtub, septic tanks, hydraulic, air and gas connections, etc..
- Oil, coolant, power steering fluid, washer fluid, Use for mechanical,grease applications.
- These rings are made of a very durable and pliable rubber construction to seal contact and connection points. They will last through long and arduous use.
- O rings are also widely used by professional mechanics and DIY car owners to fix engine leaks and other leaks like oil, coolant, power steering fluid, washer fluid, etc. Use for mechanical/grease applications.
| Product name | o ring 30*3.5 |
|---|---|
| Material | Flourocarbon (®), Silicone, Nitrile (Buna-N), EPDM, & Silicone, Neoprene,etc |
| Hardness | 20~75 Shore A |
| Application | Hydraulics, Pneumatics & Plumbing |
| Color | Black,Red,White,etc... |
| Working temperature | Normal: -60~230 degree Special: -60~300 degree |
| Elongation | 200~380% |
| Grade | food grade, medical grade |
| Feature | Resistance to high pressure, oil, weather, abrasion, solvent, high temperature, abrasion resistant, aging resistant, insulation, acid and alkaline resistant |
Main Rubber Compounds and Properties
| Products | Lip Seals | Gaskets | Boots and Dust Covers | Industrial Parts | |
| Characteristics required | Sealing ability Oil resistance Heat resistance Low temperature resistance Abrasion resistance Mechanical strength |
Compression set Heat resistance Oil resistance |
Weather resistance Flexible durability Heat resistance Low temperature resistance Grease resistance Water resistance |
Various selection for each application | |
| Material | NBR | ● | ● | ● | |
| H-NBR | ● | ● | |||
| SBR | ● | ● | |||
| ACM | ● | ● | ● | ||
| VMQ | ● | ● | ● | ● | |
| FKM | ● | ● | ● | ||
| CR | ● | ● | |||
| EPDM | ● | ● | ● | ||
| U | ● | ||||
| CSM | ● | ||||
| Polyester Elastomer | ● | ● | |||
| Polyolefin Elastomer | ● | ● | |||
FAQ
1. How to produce ?
we can produce according to seal type and sizes .
if you need some customized parts, we can produce according to drawing and samples.
2How to make the order?
You can send us email or inquiry at alibaba directly.
3. What is your main market?
Our main market is north America, UK, Australia, Middle East , Europe.
4.Do you provide samples ? is it free or extra
We can supply you free samples without extra charges, but express cost is for buyer's account.
5.How is the quality?
Strict control when production, 100% inspection before shipment.
6.Do you provide samples ? is it free or extra ?
Yes,with batch order we could offer the sample for free charge but do not pay the cost of freight.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.

