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Silcolloy® High Purity Temperature Resistant Silicon Coating

High Purity, Temperature-Stable Coatings with Excellent Acid Corrosion Resistance

What is Silcolloy®?

Silcolloy coatings offer the highest temperature stability of all SilcoTek® solutions while simultaneously preventing corrosion and contamination from metal, glass, and ceramic substrates. These coatings are made up of several layers of high-purity silicon (Si), the same material used to make semiconductors, which provides a dense film that effectively shields coated parts from their process environment. Silcolloy is widely used as a solution to improve the chemical compatibility of various materials and help stainless steel perform like corrosion resistant superalloys, creating significant cost savings for customers in semiconductor, laboratory, energy, and many other industries.

 

 

 

How is Silcolloy Applied to Your Parts?

Like all SilcoTek coatings, Silcolloy surfaces are applied using SilcoTek’s proprietary chemical vapor deposition (CVD) technology. Unlike typical liquid spray or dip coating methods, CVD is a completely non-line-of-sight process that uses gases at high temperatures to produce ultra-thin coatings which bond molecularly to the part substrate, creating superior adhesion compared to any other coating. This also means that even sub-micron sized openings, sharp edges, flexible components like bellows, and high aspect ratio flow paths are completely coated without requiring design changes.


Want to know if Silcolloy is right for your application? Contact our Technical Service Team.

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Applications & Benefits

Group 30598

Semiconductor

Improve yield and longevity by preventing corrosion and metal ion contamination.

Commonly coated parts:

  • Etch weldments and other gas delivery components
  • Epitaxy chambers and ancillary parts
  • CMP rings
  • Exhaust scrubber parts
  • Ozone generation and analytical instrumentation flow paths
chemistry

Chemical Process

Enhance component lifetime and performance in high temperature or corrosive environments.

Commonly coated parts:

  • Valves and fittings
  • Tubing
  • Filters
  • Small heat exchangers
  • Reactors and chambers
hydrogen energy

power & energy

Increase efficiency and output by preventing coking, fouling, and acid corrosion.

Commonly coated parts:

  • Downhole sampling tools
  • Process and sample transfer tubing
  • Coal gasification filters
  • Pump components
  • Instrument probes and sensors

Don’t see your application?

We assign an expert team to every customer project and sometimes customize standard coatings to meet unique needs.

Contact our coating experts to discuss your requirements and try our coatings at little or no cost to you.

Silcolloy in Scientific Publications

 

 
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Silcolloy® Coated Product Examples

Circle S tube cross section

Silcolloy-coated S-Bend Tube

SilcoTek coatings are ultra-thin and conform to intricate threads without causing leaks or galling.

Circle flange

Silcolloy-coated Flange

SilcoTek coatings are applied via CVD, allowing a thin and uniform barrier layer to improve corrosion resistance. 

Big-tank-coated-1

Silcolloy-coated Chemical Storage Vessel

When maintaining product purity is required, a metal-free solution such as a Silcolloy-coated tank will prevent corrosion and eliminate the risk of metal ion contamination.

Related Resources

Data Sheets and Brochures

Silcolloy® 2000 Data Sheet

Case Studies

Improving Corrosion Resistance and Reducing Cost

Technical Publications

Amorphous Silicon Coatings for Control of Corrosion and Metal Ion Contamination

Videos and Webinars

Corrosion Resistant Coatings - Unleashing the Potential of Stainless Steel

Data Sheets and Brochures

Chemical Compatibility

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Service@SilcoTek.com

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