Lubricant Properties          Relative Wear at Various Temperatures       Automotive Applications

NPI BONDED SOLID FILM LUBRICANT PROPERTIES

The table below lists the properties of the four lubricants currently marketed by NPI.

  NPI-14 NPI-16 NPI-425 Vitro-Lube NPI-1220
Base Coat Top Coat
Pigments MoS2 and
graphite
MoS2 MoS2 MoS2, Graphite
(proprietary)
MoS2, Graphite
Binder Phenolic Phenolic Polyimide Ceramic Phenolic
Solvent Denatured
Alcohol
Denatured
Alcohol
Ethyl Alcohol Ethyl Alcohol Denatured
Alcohol
Cure
Temperature
1 Hour at
+300°F
1 Hour at
+300°F
1 Hour at
+300°F and
1 Hour at
+575°F
1 Min. After
Reaching
+975°F
1 Hour at
+300°F
Total Thickness (inches) 0.0003 to
0.0005
0.0003 to
0.0005
0.0002 to
0.0004
0.0004 to
0.0006
0.0002 to
0.0003
Outgassing
TWL-%
0.85 0.91 0.82 0.0039  
Outgassing
VCM-%
0.0115 0.005 <0.01 0.0147 (Both
Base &
Top Coat)
 
Solar Absorptance       0.827  
Total Normal
Emittance
      0.823  
Density-#/cu. in.     0.072    
Surface Restivity
Ohms x 106
(per ASTM 257)
      11.56 50.65
Temp. Limitation* +300°F +300°F +500°F +700°F +700°F
*This temperature limitation is for long term usage.