Durometer - Seal Design Guide | Apple Rubber Products

O-Ring Basics; Durometer; Durometer (Shore A) is a measurement of the hardness of an elastomeric compound. The numerical ratings for hardness run from lower numbered (less than 70) softer materials to higher numbered (greater than 70) harder materials, noting that fluorocarbon has a base rating of 75. This classification system is designed to ...

Parker O-Ring Handbook

on O-ring drive belts and their application will be found in O-Ring Applications, Section III. 1.2 What is an O-Ring Seal? An O-ring seal is used to prevent the loss of a fl uid or gas. The seal assembly consists of an elastomer O-ring and a gland. An O-ring is a circular cross-section ring molded from rubber (Figure 1-1).

Durometer: 75 | Global O-Ring and Seal

SKU Description Price Stock .050X0.724V75 : CUSTOM MOLDED VITON O-RING 75 DUROMETER BLACK CS: 0.050IN (1.27MM)

Durometer 75A O-Rings | McMaster-Carr

Choose from our selection of Durometer 75A O-rings, including over 2,800 products in a wide range of styles and sizes. In stock and ready to ship. BROWSE CATALOG. Abrading & Polishing; ... Also known as Boss O-rings, these Kalrez 4079 O-rings are for use in tube fittings with a straight-thread connection.

O-Ring Durometer Hardness | ESP International

Normally durometer hardness is referred to in increments of five or ten, as 60 durometer, 75 durometer, etc. — not as 62 durometer, 66 durometer or 73 durometer. This practice is based on: (1) The fact that durometer is generally called out in specifi cations with a tolerance of ±5 (i.e., 65±5, 70±5, 90±5); (2) The inherent minor variance ...

Buna-N O-Ring Kit, 90A Durometer, 30 Sizes (Pack of 382)

This O-Ring set is made of Black Buna-N, has a durometer of 90A, and includes 382 pieces covering 30 dash sizes. The rings have a Round cross-section and can be used across a wide temperature range from -40 degrees F (-40 degrees C) to 212 degrees F (100 degrees C). The rings come in a plastic storage case designed for organization and portability.

Durometer Testers for hardness measuring

Precision Shore Durometer according to DIN ISO 7619-1, ISO 7619-1, ISO 868, ASTM D2240. Highest available built quality / Highly accurate and repetitive. Available Scales: A, D, C, O, OO, AO, DO and Asker C. Adjustable timer …

O-Ring Compression Force

To use the eHandbook chart, you will need to know the O-ring midline circumference in inches, the O-ring cross section in inches, and the durometer. First find the chart for the O-ring cross section size: 0.070", 0.103", 0.139", …

O-Ring Hardness Kits - Rex Gauge Durometers

Features: Model 1600-M – Type M Durometer with Certification. Model OS-3 – Air Dampened Operating Stand. Model ORF-1 – O-Ring Fixture Kit. Model TBK-M Type M Test Block Kit with Certification. Add to cart.

Nitrile O-Rings Buna-N 50 Duro Soft - We make getting o-rings …

Buna-N o-rings are not recommended for exposure to sunlight, UV light, ozone and general outdoor weathering or hash chemicals, acids, keytones and many others. Lowest cost highest inventory general purpose commodity NBR compound. Applications: General purpose sealing, Air Tools, Petroleum based oils, fuels, L.P. gases, Cold Water, Silicone ...

Nitrile 50 Durometer O-Ring (N0299-50) | Parker NA

Parker's nitrile rubber (NBR) O-rings are compatible with oils and gases. ×. OK ... Nitrile 50 Durometer O-Ring (N0299-50) | Product Series Filter. Filter by Clear All No filters selected. Get your Parker account Today! Create one account to manage everything you do with Parker, from your shopping preferences to your application access. ...

Durometer: 50 | Global O-Ring and Seal

SKU Description Price Stock .313X26.250N50 : CUSTOM MOLDED NITRILE O-RING 50 DUROMETER BLACK

What is Durometer? | Global O-Ring and Seal

What Is Durometer (Shore durometer)? The hardness of rubber compounds is measured by the Shore A durometer; the higher the durometer, the harder the compound. 70-durometer hardness should be used whenever possible as it offers the best combination of properties for most O-Rings applications. Softer compounds stretch easier and seal better on ...

Parker O-Ring Handbook

on O-ring drive belts and their application will be found in O-Ring Applications, Section III. 1.2 What is an O-Ring Seal? An O-ring seal is used to prevent the loss of a fluid or gas. The seal assembly consists of an elastomer O-ring and a gland. An O-ring is a circular cross-section ring molded from rubber (Figure 1-1).

Durometer 50A O-Rings | McMaster-Carr

Durometer 40A: Durometer 50A: Durometer 55A: Durometer 60A: Durometer 64A: Durometer 65A: Durometer 70A: Durometer 75A: Durometer 80A: Durometer 85A: Durometer 90A: Durometer 95A: ... Able to withstand temperatures up to 400° F, these O-rings are softer than standard silicone O-rings for a better seal in low-pressure applications.

HNBR O-Rings 70 Durometer Green/Black

Highly Saturated Nitrile Green O-rings in 70 durometer. Hydrogenation of nitrile rubber removes most of the residual unsaturation in the polymer to make it far less vulnerable to attack by heat, ozone, and oxygen. In fact, due to superior oil and temperature resistance, Highly Saturated Nitrile can sometimes be substituted for more costly ...

What is the durometer of an O-Ring? | Rocket Seals, Inc.

O-Rings are available in almost all durometers, with 70 or 90 durometer, the most common in most compounds. Softer sealing materials, with lower hardness readings, will more easily flow into the microfine grooves and imperfections of the mating parts, but softer compounds, like 50 durometer compounds, wear and extrude very quickly.

Nitrile 50 Durometer O-Ring (N0299-50) | Parker NA

Parker's nitrile rubber (NBR) O-rings are compatible with oils and gases. ×. OK ... Nitrile 50 Durometer O-Ring (N0299-50) | Product Series Filter. Filter by Clear All No filters selected. Get your Parker account Today! Create one account to …

231 Buna-N O-Ring, 70A Durometer, Black, 2-5/8" ID, 2-7/8" OD, …

This O-ring is made of black Buna-nitrile, is round in cross-section, has a durometer of 70A, and is designed for use in a wide variety of sealing applications. Buna-nitrile can have high tensile strength, and abrasion, tear, and compression set resistance.

041 Silicone O-Ring, 70A Durometer, Red, 3" ID, 3-1/8" OD, …

This silicone O-ring is red in color, round in shape, has a durometer of 7OA, and is designed for use in a wide variety of sealing applications. Silicone is acceptable for temperature applications between -65 degrees F (-54 degrees C) to 450 degrees F (232 degrees C).

Amazon: 012 o-ring

012 Viton O-Ring, 75A Durometer, Round, Brown, 3/8" ID, 1/2" OD, 1/16" Width (Pack of 100) 4.0 out of 5 stars 12. $12.06 $ 12. 06 ($0.12/Count) FREE Shipping on orders over $25 shipped by Amazon. Small Business. Small Business. Shop products from small business brands sold in Amazon's store. Discover more about the small businesses partnering ...

O-Ring Groove Design Guide & Recommendations

O-Ring Gland Fill %O-Ring Volume) / (Gland Volume) Gland volume vs. O-Ring volume. About 25% void space or 75% nominal fill. Need space in groove to allow for volume swell, thermal expansion, and increasing width due to squeeze. …

Durometer 55D O-Rings | McMaster-Carr

Choose from our selection of Durometer 55D O-rings, including over 900 products in a wide range of styles and sizes. In stock and ready to ship.