Wheeling Brake Block Mfg. Co.
PRODUCT DATA SHEET
Typical properties of NA 2424

GENERAL DESCRIPTION TEST REPORT
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  Non asbestos dry mix formula, green in color  
  Material Surface is semi smooth.  
PHYSICAL AND CHEMICAL PROPERTIES
1. Specific Gravity 1.8
2. Gogan Hardness 35
MECHANICAL PROPERTIES
1. Service Condition DRY
2. Maximum recommended operating pressures 750 PSI
3. Maximum recommended rubbing speed 7,500 FPM
4. Maximum recommended operating temperature 750° F
5. Average Coefficient of Friction @250 psi 7,500 FPM and 450° F .47
6. Wear rate per horsepower hour @350° F 7.1 %
7. Spike Temperature 1,000° F
8. Dynamic Coefficient .47=G
9. Static Coefficient .46=G
All lab results shown are 1/4" thick molded flat bars. Properties may vary with thickness, shape and operating conditions.

NA2424 has replaced our asbestos formula AS-GB11-T. Similar friction characteristics, this medium high friction material has proven its reputation in the field. We recommend this material for off-highway truck, continuous duty cycle brake and clutch applications with high FPM ratings. This material works well on small drum diameters, flat friction applications, oilfield equipment and offshore crane applications. NA 2424 is also used with mooring/anchor handling winches. Click on Graph to Enlarge

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