Chemical Compatibility with SilcoTek Coatings

Silcolloy high purity coating SilcoTek's silicon-based coatings are inert to numerous chemicals common in process, refining, semiconductor, and many other industries.  Explore the chart below to learn more.

Compatibility is dependent on the coating you choose for your application.  Please discuss your application with a technical representative by sending an email to, calling +1 (814) 353-1778 ext. 2, or submitting an obligation-free request for quote.

Chemicals List

Chemical Compatibility Rating
    Excellent Good - Contact SilcoTek Poor
2-Propanol C3H8O    
Acetic Acid C2H4O2    
Acetone C3H6O    
Ammonia NH3    
Ammonium Flouride NH4F    
Ammonium Hydroxide NH4OH    
Argon Ar    
Arsine AsH3    
Boron Tribromide BBr3    
Boron Trichloride BCL3    
Carbon Dioxide CO2    
Carbon Tetraflouride CF4    
Chlorine CL    
Dichloromethane (methylene chloride) CH2CL2    
Disilane Si2H6    
Helium He    
Hexafluoroethane C2F6    
HMDS C6H19Si2N    
Hydrochloric Acid HCL    
Hydrofluoric Acid HF    
Hydrogen H2    
Hydrogen Bromide HBr    
Hydrogen Peroxide H2O2    
Hydrogen Sulfide H2S    
Methanol CH3OH    
Nitric Acid HNO3    
Nitrogen N2    
Nitrogen Trifluoride NF3    
n-Methyl 2-Pyrrolidone C5H9NO    
Octafluorocyclobutane C4F8    
Oxygen O2    
Ozone O3    


Phosphoric Acid H3PO4    
Phosphoric Oxychloride POCL3    
Potassium Hydroxide KOH    
Silane SiH4    
Sulfur Hexafluoride SF6    
Sulfuric Acid H2SO4   •   
Tungsten Hexaflouride WF6    
Water H2O    
DI Water H20    

Compatibility is ultimately dependent on your individual application - exposures, concentrations, temperature, and several other factors.

Are chemicals in your application not listed here?

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