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