Neoprene Rubber O rings

Helix Engineering is a world class manufacturer of Neoprene Rubber O Rings in American Standard AS568, British Standard, Metric sizes and in any Custom size upto 2000 mm in Diameter and in Shore Hardness Range A 40-90
Helix Engineering also manufactures Neoprene V-Ring and Neoprene X-Ring.
The O-Ring is one of the most fundamental and functional seals ever created. An O-Ring is a solid rubber seal in the shape of a doughnut or torus. When compressed between mating surfaces, an O-Ring prevents liquids or gasses from passing through.
In 1931, Dupont® produced one of the first successfully developed synthetic elastomers, Neoprene. It is created through the polymerization of chloroprene or 2-chlorobutadiene emulsions. Neoprene is a multi-purpose elastomer with a well-balanced set of properties.
Neoprene rubber is also called as Chloroprene

Properties Of Neoprene Rubber O Rings

Neoprene is the first synthetic rubber developed commercially and has a wide range of applications due to its characteristic features are listed below:
• Good chemical stability
• Sturdy material
• impermeability to gas and fluid
• Good heat resistance
• Excellent bonding ability with other materials

Specifications Of Neoprene Rubber O rings

Temperature Range:
Neoprene O-rings can withstand temperatures ranging from -35°F (-21°C) to 225°F (177°C)
Tensile Range
Neoprene rubber ( exhibits exceptional toughness and has a high tensile range of 900 to 1,000 psi

General Suitability

Neoprene o-rings are commonly used in the refrigeration industry due to their exceptional resistance to refrigerants, ammonia, Freon® (R12, R13, R21, R22, R113, R114, R115, R134A), silicone oils, water, ozone, sunlight, vegetable oils, alcohols, and low-pressure oxygen.

Preferred Environment of Usage

Neoprene O-rings can be used in low DPI paraffin base mineral oil, silicone oil and grease, water and water solvents (up to 250°F), refrigerants, ammonia, and carbon dioxide.
Aromatic hydrocarbons, chlorinated hydrocarbons, ketones, esters, and ethers are not compatible with Neoprene O-rings.

Environmental Properties
Neoprene has a low oxidation rate and is highly resistant to the sun and ozone. This enables it to last for extended periods outside. Neoprene is a chemically inert material that is valued for its resistance to petroleum-based mixtures such as solvents, oils, and greases.

Applications Of Neoprene O Rings

Neoprene O-rings work well in applications where the O-ring comes into contact with oils and a variety of chemicals such as in automobiles, wirings, cable assemblies, HVAC, and refrigeration. The material also has exceptional toughness and fire resistance.

Neoprene O Rings By Helix Engineering
Helix Engineering is one of the leading Neoprene rubber O-Ring suppliers for aero engines, air compressors, agro products, earth-moving machinery, chemical plants, diesel engines, dairy equipment, hydraulic & pneumatic cylinders. We place a high value on the quality of the O-Rings we supply, and all our products manufactured in compliance with global standards. HELIX serves as custom O ring manufacturer for clients all over the world.


Helix Engineering is one of the leading Neoprene rubber O-Ring suppliers for aero engines, air compressors, earth-moving machineries.


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