Manufacturing precision component parts

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Highlighting the common rubber or elastomer materials and the advantages of each.

Rubber was invented in 1839.  Since that time, rubber products have been one of the most commonly used gasket materials. 

While many people think rubber is rubber - that is definitely not the case.   Rubber products are generally made to a certain hardness, referred to as durometer.  On the common Shore A scale, durometer generally ranges from 25 (rubber band consistency) up to 100 (roller skate wheels).        

The trick with rubber product is to find the right material for the application, matched with the right durometer and thickness, to provide the best seal, temperature rating, chemical resistance, wear protection, or other criteria being sought.  We routinely work with a wide range of rubber materials and also stock a large amount of different materials, in different thicknesses and durometers.      

The link below will show a table of the most commonly used rubber materials and relevant characteristics.  It can act as a generic guide in helping you understand or select rubber for your products.   Rubber Table

There are certain cases where a cloth-insert is used along with solid rubber.  The cloth is typically made of nylon, polyester, cotton or fiberglass.  The selection of the insert material is determined by the application, what it comes in contact with and other advanced properties that are trying to be achieved, which can't be achieved with solid rubber alone.  Generally, the cloth is located in the middle of the rubber, but could be on both sides.  A cloth-insert adds stability to the product and greatly increases tear resistance.  This is advantageous when there is pressure applied across the part.

We are happy to assist you in determining the right material for your application or assist with samples of parts in different materials, thicknesses or hardness to determine the best match for your application.

 

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