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Rex-Cut Support

For more information about specific products, applications, and safety, contact a Rex-Cut expert or take a minute to browse our product resources.

Standard Marking Specifications

Rex-Cut Cotton Fiber products are constructed with our signature abrasive material which is manufactured exclusively in our Fall River, Massachusetts plant.

Grain Type
A Aluminum oxide
C Silicon carbide
Grain Size
16, 24, 36 Coarse
54, 80 Medium
120, 180 Fine
320* Very Fine

* Available only in aluminum oxide

Bond
GFX Soft Flexible synthetic latex bond for light deburring, blending, and finishing in one operation.
JTX Medium Medium resin bond for light deburring and long life.
MTX Hard Hard resin bond for light to medium stock removal and long life
NTX Very Hard Very hard resin bond for medium stock removal and long life
IGX Soft For specialty applications
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Surface Finishing Comparisons

Measured in micro-inches for a value of RA (roughness average)

Grain Size Conventional Abrasives RA* Rex-Cut Cotton Fiber RA** Sigma Green RA**
24 210 - 240 110 - 130  
36 185 - 205 38 - 80 100
54 (60) 140 - 180 30 - 60 80
80 65 - 175 20 - 50  
120 45 - 60 15 - 30  
180 25 - 40 10 - 20  
240 8 - 20 N/A  
320 6 - 15 5 - 10  

* Industry data for conventional abrasives on stainless steel
** Rex-Cut RA values measured with a Mahr Federal Surface Analyzer. The values are an average taken from multiple measurements on 304 stainless steel.

 

Grinding Wheel Spectrum

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Application Information

Need to find out which abrasives work best for the application you are working on? View our application charts here.
APPLICATION CHARTS