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PFAS-Free Coatings

Our Silicon Coatings Replace and Improve Analytical Precision with Forever Chemicals

Analyze and Replace PFAS with Inert, Sustainable Silicon Coatings

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Per- and polyfluoroalkyl substances (PFAS) are widely used chemicals in consumer and industrial products. PTFE (Teflon®) and other PFAS are commonly found as coatings intended improve chemical resistance, non-wetting, and other surface properties of metals. Companies across the globe are taking initiatives to replace PFAS materials throughout their products and processes to reduce risk.

The use of PFAS chemicals is so widespread that they are detectable in the blood of humans and animals, and even the air we breathe. As a result of scientific studies linking PFAS to health and environmental problems, regulatory agencies like the EPA and ECHA have introduced proposals to significantly limit the use of PFAS. In fact, the draft of U.S. EPA OTM-50 mentions the use of silicon-ceramic coatings as a more inert alternative to traditional SUMMA® cannisters for PFAS sampling. Read on to learn more. 

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Benefits of SilcoTek Coatings vs. PFAS

Leading global companies and research organizations are proactively turning to SilcoTek’s CVD coatings as more sustainable alternatives to and upgrades over PFAS-based coatings: 

  • SilcoTek coatings are made up of the Earth’s elements like silicon, oxygen, carbon, and hydrogen and do not contain any fluorinated chemicals, solvents, or materials requiring special disposal. 

  • Our coatings have significantly higher temperature stability, flexibility, and density compared to PFAS like PTFE. 

  • SilcoTek’s coatings are chemically inert and serve as better barriers between sample streams and active metals than fluoropolymers. Our coatings are also highly corrosion resistant. 

  • Our CVD coating process molecularly adheres our environmentally friendly coatings to the substrate, creating superior adhesion over PFAS and giving coated parts the ability to bend and flex without risk of damage or flaking. 

Coating Applications for Analyzing and Replacing PFAS

SilcoTek coatings are already used as inert surface treatments for analyzing metal-sensitive PFAS compounds, and they can also serve as higher-performing replacements for PFAS coatings like PTFE: 

  • Draft analytical method U.S. EPA OTM-50 to measure 30 volatile fluorinated compounds (VFCs) in air emissions from stationary industrial sources.

  • Tubing and piping of process systems, heat exchangers, and instrumentation 

  • Liquid and gas chromatography columns 

  • Valve bodies and components, including moving internal parts 

  • Medical diagnostic and clinical instrumentation 

  • Industrial sensors and probes 

  • Flow path components in production of pharmaceuticals, food, and beverages

  • Many more
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