What is a Durometer - Rex Gauge Durometers

What is a Durometer The Durometer is the international standard for the hardness measurement of rubber, plastic and other non-metallic materials. Durometers are described in the American Society for Testing and Material specification ASTM D2240, which is the recognized specification for the instrument and test procedures. Rex Gauge Durometers Rex Durometers are known World-Wide for […]

A Guide to Shore Hardness and Why It's Important When ...

O-Ring and Seal Selection Factors. While it may seem that going for the middle range durometer-rated materials would always be the best selection for o-ring and seal selection, that is not always the case. For instance, if your project involves high pressures or high impacts, a harder material may be best.

: O-Rings - Hydraulics, Pneumatics & Plumbing ...

Shop O-Rings on . An O-ring, also spelled o-ring or oring, is a flexible gasket with a circular cross section (flat O-rings have square or rectangle profiles) used to create an leak-proof connection. The O-ring is seated in a groove and compressed between two …

Home | O-Rings West

O-Rings West's goal is to be recognized globally for quality, reliability and expertise in all aspects of our business. Our policy is to provide a management system and a working environment that emphasize predetermined quality objectives through continual enhancement of …

O-Ring Design Guide - Hi-Tech Seals

O-Ring Design Guide If the I.D. of the O-ring is stretched, the cross-section of the O-ring will decrease. The following table gives the O-ring cross-sections that result from various percentages of I.D. stretch. Compression The difference between the original O-ring cross-section and the final O-ring cross-section once installed is known as the

Buy O Rings, Seals, Custom Molded Rubber, Engineered ...

O-RINGS AND RELATED PRODUCTS - O RING GASKET, FUEL O-RINGS. All Seals stocks one of the world's largest inventories of O-Rings, back-up rings, Quattro Seals, O-ring gaskets and much more, all ready for delivery when you need them.

O-ring Size Chart, AS568 O-ring Chart, AS568 O-ring Sizes ...

This AS568 O-ring size chart provides standard O-ring dimensions. Each AS568 dash number provides unique O-ring sizes. We have millions of AS568 O-rings …

Order O-Rings Quick and Easy X-Ring Seals Rubber Washers

Any O-Ring size, O-Ring material, O-Ring durometer, O-Ring color, O-Ring brand Parker O-Rings, KALREZ ® O-Rings, VITON ® O-Rings, MARCO RUBBER O-RINGS available. Simple and robust selection and ordering tools to step through the selection process with responsive service. Worldwide O-Ring inventory network available online, manufacturer direct ...

O-ring Selection | Swagelok

However, just like your tubing, fittings, and valves, material selection makes a difference in how your system performs. O-rings are manufactured using pliable material such as Silicone, Buna-N and Ethylene-Propylene and are expressed in hardness on the Shore A scale, which is measured with a durometer.

Selection Guide - Minnesota Rubber and Plastics

Selection Guide/Standard Size Quad-Ring® Brand Seals and Quad® Brand O-Rings Seals. Our standard Quad-Ring® Brand and O-Ring Seals are available from stock, in compound 366Y, a 70 Shore A nitrile and 514AD, a 70 Shore A fluorocarbon material. ... a 70 durometer nitrile formulation. Because every rubber formulation has its own shrinkage ...

O-Ring Material Reference Guide - Rubber Materials

Quickly and Easily Compare Common Rubber Sealing Material Family Properties, Uses, and Common Industry Applications.

: 90 A Durometer - O-Rings / Seals & O-Rings ...

Online shopping from a great selection at Industrial & Scientific Store. Skip to main content. ... Viton O-Ring Kit, Black, Viton, 90A Durometer, 30-Sizes (Pack of 382 Pieces) 5.0 out of 5 stars 1. Misc. $93.74 $ 93. 74 ($0.25/Kit) FREE Shipping. Only 3 left in stock - order soon.

Parker O-Ring Selector / Calculator

Parker´s O-Ring Selector is an engineering tool which offers O-ring material and size selection combined in one tool. Both are interlinked, thus ensuring the best possible combination of the calculated O-ring size and material choice. The O-Ring Selector covers both imperial and metric standards.

3 O-Ring Basics - applerubber.com

A major consideration for O-ring material selection is resistance of specific elastomers to degradation by exposure to certain chemicals. Therefore, the first ... the seal durometer or increasing the cross section, maximum seal utility is achieved. For an illustration of this relationship, see Section 5.

O-Ring Size Chart : The O-Ring Store LLC, We make getting ...

The O-Ring Store LLC : O-Ring Size Chart - O-Ring Cord Stock OSK™ Assorted O-Ring Kits OSK™ O-Ring Repair Kits OSK™ Hydraulic Seal Kits OSK™ Air Nailer O-Ring Kits O-Ring Lube AS568 O-Rings Inch Sizes Metric O-Rings OSK Pool, Spa & Pump O-rings Hydraulic Seals - Inch O-Ring Glue - Thread Sealant Vulcanized O-Rings O-Ring Splice Kits & Tools Hydraulic Seals - Metric Oil Seals - Shaft ...

What is Shore A Hardness? | Parker Hannifin O-Ring Division

Aug 16, 2016· It is an industry standard test for rubber, and it is an acceptance criteria for every batch of O-ring material mixed by Parker. What is Shore A hardness and how is it tested? Shore A hardness testing is performed using a durometer, which was developed by Albert Ferdinand Shore in the 1920's. The Shore A hardness measurement is often ...

O-Ring Kits - O-Rings and O-Ring Kits - Grainger ...

Check out a large selection of O-ring assortments from Grainger to help ensure you've got the right kind of rings when you need them. Find O-rings made of Buna N, EPDM, neoprene, PTFE, urethane, high-saturated nitrile, and Viton materials in a wide range of sizes in sets of as many as 1,415 pieces.

ORing eHandbook - Parker Promotion Sites

(For specimens that are too thin or provide too small an area for accurate durometer readings, Micro Hardness Testing is recommended). In the O-ring industry, another hardness scale is used due to the curved surface of the O-ring cross-section causing problems with accurately reading Shore A.

O-Ring Material Selection & Comparison | Marco Rubber

O-Ring material selection and compound comparison guide helps select the best o-ring material for your application.

Metric O-Rings

While we can supply any material/durometer/color of metric size o-rings, we carry an extensive selection of metric size o-rings in black Nitrile (Buna-N) 70 durometer and Viton (FKM) 75 durometer. As an international distributor, we supply a multitude of metric o-rings and have the following size charts for your reference.

Frequently Asked Questions - parker.com

circumference to the O-ring's cross-section, hardness, and amount of squeeze. How do I design the most reliable O-ring seal groove? Parker provides recommendations for groove dimensions for all standard O-rings in a number of seal con-figurations. Parker's inPHorm for O-rings provides a great deal of assistance in seal material selection.

Silicone O-Rings, Silicone Seals, Custom O-Rings ...

Soft Silicone O-Rings. Stockwell Elastomerics makes silicone o-rings from liquid silicone rubber using liquid silicone injection molding, with durometers ranging from 10 – 70 Shore A. Silicone is one of the few rubber compounds commercially available in low or soft durometers. 30 durometer silicone o-rings offer good control of elongation and softness, while softer 10 durometer o-rings and ...

What is Rubber Hardness?

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.

O-Ring Material Compound Compatibility Selection Guide

Compare o-ring material properties to find and buy the best o-rings compatible with your application environment. Whether you need high temperature o-rings, low temperature o-rings, high pressure o-rings, or o-rings with excellent chemical resistance, allorings.com accesses the world's largest inventory network of high performance o-rings.

O-Ring Seals - Hardware - Grainger Industrial Supply

Buna-N rings with durometer 70 shore A can offer hood physical properties and provide excellent resistance to petroleum products. Slightly harder durometer 75 shore A fluorocarbon Viton rings can offer low swell and resist a diverse range of chemicals, UV light and ozone. Choose from a wide range of sizes at Grainger to help find O-rings to fit ...

O-Rings | Parker

O-rings are circular sealing elements with circular cross-sections, and are mainly used in static applications. The sizes are specified by the inside diameter and the cross section diameter. Our O-rings are manufactured according to metric and imperial international standards such as …

O-Ring Durometer Chart

The hardness of rubber o-ring compounds are 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-ring applications. Durometer Shore A scale is a type of measurement for rubber material hardness.

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