Auomotive Specifications Color Salt Spray Test Typical coating thichness Friction characteristics Process Control
Ford   Din 50021 SS  (micron) integral lubricant system  
           
S303 Black 120hours 5 micron  min   1. Phosphate + 2 Techseal Black S or SL
WSD-M21p10-B2         2. 1x Zintek Black 300, 2x Techseal Black S or SL
Black organic corrosion protection          
coating          
           
S306   240 hours 5 micron min   1. Phosphate + 3 Techseal Black S or SL
WAD-M21P10-B3 Black       2. 1x Zintek Black 300, 3x Techseal Black S or SL
Black organis corrosion protection           
coating           
           
S307 Black 480 hours 12 mir.mim /M21P11-B2   1x Zintek 300 , 1x Zintek Top, 2x Techseal Black S or SL
WSD-M21P11-B2     14mir.min/M21P19-A16    
WSD-M21P19-A16          
Black Zinc organic corrosion           
proctection coating           
           
S407 colors  96 hours  Not specified   1x Zintek 200 , 2x Techdip different colors
Organic Coat  as required        
           
           
S424 Black 120 hours 5 micron min None Zinc phosphate , 3x Techseal Black S
WSD-M21P10-B1          
WSD-M21P19-A24          
Black organic corrosion protection           
coating plus a sealer coating          
           
S426  Gray / Silver 1000 hours 6 micron min intergral friction modifiers  2x Zintek 200 , 1 Techseal Silver SL
WSD-M21P11-B8       in topcoat, no additional   
Organic coating over an inorganic       waxes, lubricants or torque   
Zinc rich basecoat       tension fluids are necessary  
This finish contains CR6+ and is not           
to be used for new designs, consider          
S439          
           
           
           
           
Automotive Specifications Color Salt Spray Test Typical coating thichness Friction characteristics Process Control
Ford   Din 50021 SS  (micron)    
S427 Gray/ Silver 1000 hours  12.5 micron min integral lubricant system 6-8 micron Zinc blue passivation Cr 3+
WSD-M21P26-A2       integral friction modifiers  , 3x Techseal Silver SL
Corrosion Protection coating,        in topcoat, No lubricant   
Aluminum organic type.        waxes lubricants or torque   
this finish is an organic coating        tension fluids are required  
applied over an electrolytic zinc base          
coat. This finish contains CR6+ and          
is not to be used for new designs,           
consider S440          
           
S435 Black 240W/500R 22.0-33.0 micron None 6-8 micron Zinc black passivation + 
WSB-M21P29-A1         2+ Techseal Black 24SL
Zinc Plate, Chromate Black Organic          
This finish is an electrolytic or non-          
electrolytic plating of zinc, followed by          
a black chromate and organic coating           
on steel surfaces. This finish contain          
Cr6+ and I not to be used for new          
designs, consider S306, S307,S437          
           
S436 Black 24 hours  Not specified Integral friction modifiers in Zinc Phosphate , 2x Techseal Black SL 602
WSS-M21P28A2     Generally 12.5micron topcoat. No additional waxes,  
Black organis corrosion protective        lubricants or torque tention  
coating applied over a zinc phosphate        fluids are necessary  
layer. Chromic seals are not permitted          
           
S438 Silver 240W/720R 10. 0 micron, min. Intergral lubricant system 2x Zintek 200, 1x Zintek Top LF
WSS-M21P39-A1          
Corrosion protective coating, Zinc          
Aluminum basecoat, lubricated sealer          
Silver          
           
S439 Silver 240W/840R 12. micron. Min. Integral friction modifier in  2x Zintek 200, 1 Techseal Silver SL
WSS-M21P37-A1       topcoat. No additional waxes,  
Corrosion Protective coating        lubricants or touque tension   
Aluminum organic type over an       fluids are necessary  
inorganic zinc rich basecoat          
           
S440 Gray/Silver 240W/840R 12.5 micron max. Integral friction modifiers in 6-8 micron Zinc blue passivation Cr3+,
WSS-M21P40-A1     11-16 micron typical topcoat. No additional waxes,  3x Techseal Silver SL
Corrosion protective coating, Aluminum       lubricanats or torque tention  
organic type applied over an electrolytic       fluids are required  
zinc base coat          
           
           
Automotive specification Color Salt Spray Test Typical coating thichness Friction characteristics Process Control
Ford   Din 50021 SS  (micron) integral lubricant system  
S440M Gray/Silver 240W/840R 11-16 micron, typical Integral friction modifiers in 6-8 micron mechanically plated , 
WSS-M21P40-A2        topcoat. No additional waxes,  3x Techseal Silver SL
Corrosion protecive coating, Aluminum       lubricanats or torque tention  
organic type applied over a mechanically       fluids are required  
plated zinc base coat