NBR 382 Pcs 30 Sizes Inch Mertic Seals in Different Colors Rubber O Ring Box

O-Ring kits consist of a series of o-ring sizes, assembled into one assortment kit for one low price.

Several series of kits are available, in metric, standard and Japanese sizes and come in a variety of compounds. O-Ring kits are convenient, and provide a way to find the exact fit for each of your applications.

Check out a large selection of o ring assortments from box to help ensure you have got the right kind of rings when you need them.

Buna-nitrile can have high tensile strength, as well as abrasion, tear, and compression set resistance. It is compatible for use with petroleum, hexafluoro (HFA), hexafluoro-2-butyne (HFB) and hydrofluorocarbon (HFC) fluids, vegetable oil, alcohol, acids, and aliphatic hydrocarbons. Buna-nitrile is vulnerable to , ethers, esters, ozone, sunlight and weathering, and should not be used in ozone-generating electric motors, welding equipment, or in applications with exposure to UV light.

The durometer hardness of this Buna-N O-Ring is 70A. Durometers measure the hardness of a material and its resistance to permanent indentation. A higher durometer value indicates greater resistance to indentation. On a scale of 0 to 100, a value of 0 indicates that a sample was completely penetrated, while a value of 100 shows no indentation in the sample. The letter following the number identifies the shore scale, which is either shore A or D. Shore A is used for rubber, while shore D is used for harder plastics.

O-rings provide a pressure and fluid seal between cylindrically shaped, overlapping mating surfaces and are commonly seen in engines, faucets, flanges, valves, and various cylinders. They are circular in shape, with a round cross section, and a hole in the center, similar to a doughnut. O-rings are available in various AS568A dash sizes as well as Metric sizes. O-ring size is defined by the inside diameter (ID), outisde diameter (OD), and cross-sectional (CS) diameter.

Ningbo Robon Sealing CO.,LTD is a professional rubber products manufacturer in Ningbo, we produce various rubber products: rubber seal, rubber o ring ,ED ring, o ring cord, rubber flat washer, special parts and other rubber products.

The main material we used are NBR, EPDM, , FKM, AFLAS, CR, Butyl, HNBR, SILICON, FFKM, PU or approved by FDA, NSF, WRAS etc.

We have the most advanced vulkameter, hardness tester, projectors, image instrument,tensile testing machine, and other professional testing equipment.

Our company is located in Ningbo City, Zhejiang Province, P.R.China. Which is a seaport city with the most economic vitality near the east sea. North link to Shanghai by 2 hours drive, and East link to enjoy the most convenient Sea, Land and Air transportation advantages.

Robon has always been adhering to the service principle of " Quality is the top priority, fair price " to serve customers. The company bends itself to serve customers with competitive price, best quality, fast delivery and timely after-sales service. Welcome to contact us by email: info@rb-oring.com