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SantopSeal is a Manufacturer of Extruded Thermoplastic Elastomer Seals, Gaskets, Tubing and O-rings based in the USA. We manufacture various custom extruded profiles with superior quality according to customer requirement. We also manufacture Medical grade tubing, Food grade tubing and Peristaltic pump tubing. We meet our customeru2019s requirements with minimal cost, great quality and very short lead time in the market
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Correlation of O-Ring Materials While choosing an O-ring for your application, a ton of significance ought to be put on the material of the seal being utilized. Since a legitimate fixing activity is profoundly reliant upon the state of your O-ring, an O-ring material should be decided to best suit the working climate of your application. A portion of the normal materials used to make O-rings are nitrile elastic or Buna-N, Viton(r), silicone elastic, neoprene, and PTFE or Teflon(r).
Picking an O-ring material is reliant upon a few unique elements, however two of the most basic variables are the working temperature range that O-rings are exposed to and the various synthetics they might be presented to. A few extra factors that assume a part in the choice of an O-ring material incorporate protection from tearing and scraped spot, and daylight or maturing. Since most O-ring materials respond distinctively to different conditions as well as synthetics, every material enjoys its benefits and burdens.
Nitrile Elastic: Perhaps of the most widely recognized material used to make O-rings is nitrile elastic or Buna-N, which is an engineered elastic copolymer. This material has fantastic protection from water, pressure driven liquids, solvents, oils, and other oil based commodities. This component, combined with its working temperature scope of between - 65 degrees F to +275 degrees F, has made nitrile elastic one of the most broadly utilized elastomers to make O-ring seals. In any case, this material has its limits; nitrile is for the most part not suggested for applications where it very well may be presented to daylight and ozone, as well as specific synthetics, which incorporate ketones, esters, and sweet-smelling hydrocarbons.
Moreover, its helplessness to ozone additionally makes it important that nitrile elastic seals are not put away close to electric engines that typically create ozone. Its high protection from oil based goods and sensible protection from temperature has prompted Nitrile elastic O-rings turning into the best option for different applications in the car business.
Silicone Elastic: Silicone rubbers are an assortment of elastomeric polymers created from silicon, hydrogen, oxygen, and carbon. Silicones for the most part have unfortunate protection from scraped spot and tearing, as well as low elasticity in addition to a high coefficient of rubbing - highlights that make them unacceptable for dynamic fixing applications. Notwithstanding, its extraordinary protection from outrageous temperatures, going from as low as - 150 degrees F to as high as +500 degrees F, makes it ideal for applications where seals are presented to high dry warms, as in auto parts and cookware.
Viton(r): Viton(r) is one more engineered elastic normally utilized for making O-ring seals, which is a sort of FKM elastomer. This elastomer's magnificent protection from solvents and oils, as well as its protection from expansive working temperature ranges, has made it famous for use in a few applications. However its working temperature goes from - 10 to +400 degrees F, seals produced using this material are referred to endure temperatures as high as +600 degrees F for brief time frames. This mix of properties settles on Viton an ideal decision for high-temperature applications as well as applications presented to a wide range of liquids. One such application that has embraced Viton O-rings is SCUBA jumping, where the O-ring seals are utilized in the jumper's air tank. Be that as it may, however Viton is viable with most hydrocarbons, it is by and large not viable with ketones and natural acids.
PTFE: One fluoropolymer usually used to fabricate O-rings is PTFE, or Teflon(r), as it is normally known. PTFE is quite possibly of the most artificially idle material used to make O-rings and is very impervious to oils, solvents, bases, acids, steam, and different synthetic compounds. Its unrivaled protection from scraped area and tearing makes it ideal for dynamic fixing applications. In any case, there are a couple of disadvantages to utilizing PTFE O-rings. The first is their powerlessness to be packed as successfully as other normally utilized O-ring materials, which converts into wasteful fixing. The other significant weakness of this material is its unfortunate virus stream qualities under consistent strain. In any case, its compound obstruction and low coefficient of contact have made it a well known fixing choice in numerous valves and different applications.
Neoprene: Neoprene is one more engineered elastic that is routinely used to make O-ring seals. This elastomer is impervious to creature and vegetable fats, as well as most oils and solvents. In any case, O-ring seals produced using this material are by and large not prescribed for applications that include openness to ketones, esters, sweet-smelling hydrocarbons, and solid oxidizing acids.
Normal Elastic: As of now, normal elastic O-rings are seldom utilized because of the appearance of engineered elastomers, for example, Nitrile elastic and Viton. Normal elastic can be utilized with creature oils, vegetable oils, and most oxidizing synthetics. In any case, it isn't suggested for use with oils, oil solvents, sweet-smelling hydrocarbons, and applications that request openness to daylight or ozone.
These recorded materials are usually involved elastomers for making O-rings, however different materials, like Kalrez, are additionally utilized in specific extraordinary applications. Kalrez is an ideal trade for Viton in applications that have working temperatures of up to 500 degrees F. Additionally, there are different elastomers utilized for explicit fixing purposes. Anything the material you decide for your application, care ought to be taken to guarantee its similarity with working temperatures, liquids, and the climate.
The criticality of picking the best material for your application is immediately obvious when we consider the reason for the Space Transport Challenger fiasco. This misfortune was brought about by the disappointment of an O-ring that lost its versatility and became fragile because of a surprising decrease in encompassing temperature. However most O-ring disappointments probably won't prompt the death toll at standard with this calamity, there is no denying the unmistakable financial misfortune brought about by a bombed machine or gadget.
The criticality of picking the best material for your application is immediately obvious when we consider the reason for the Space Transport Challenger fiasco. This misfortune was brought about by the disappointment of an O-ring that lost its versatility and became fragile because of a surprising decrease in encompassing temperature. However most O-ring disappointments probably won't prompt the death toll at standard with this calamity, there is no denying the unmistakable financial misfortune brought about by a bombed machine or gadget.
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