Hi, I want to use parylene coating on stainless steel and my question is wiill it be transparent or have a color? Thank you in advance for your answer.
Dear Dr. Weronika Sadurska ,
Parylene is a conformal coating exhibiting extraordinary properties such as high mechanical strength and biocompatibility. It is a transparent (colorless) film in the UV-V is range of the solar spectrum (Parylene N and C absorb below ≈280 nm). The high transmittance of the polymers in the visible region (90%) make them eligible for use in optical applications. Whether Parylene can be colored or not is an interesting question and requires a different approach to answer....
I suggest you to have a look at the source by Diamond-MT for more details:
At: Can Color be Added to Parylene?
Available at: https://blog.paryleneconformalcoating.com/parylenecolor
and at: Parylene Adhesion to Noble Metals
Available at: https://blog.paryleneconformalcoating.com/bid/327452/Parylene-Adhesion-to-Noble-Metals
Best regards, Pierluigi Traverso
Paralyne C gives a clear transparent coating.
If you are looking for more details on optical properties ofParalyne coatings refer follwing link.
https://vsiparylene.com/2019/04/06/parylene-optical-properties/
Dear Dr. Weronika Sadurska ,
Parylene is a conformal coating exhibiting extraordinary properties such as high mechanical strength and biocompatibility. It is a transparent (colorless) film in the UV-V is range of the solar spectrum (Parylene N and C absorb below ≈280 nm). The high transmittance of the polymers in the visible region (90%) make them eligible for use in optical applications. Whether Parylene can be colored or not is an interesting question and requires a different approach to answer....
I suggest you to have a look at the source by Diamond-MT for more details:
At: Can Color be Added to Parylene?
Available at: https://blog.paryleneconformalcoating.com/parylenecolor
and at: Parylene Adhesion to Noble Metals
Available at: https://blog.paryleneconformalcoating.com/bid/327452/Parylene-Adhesion-to-Noble-Metals
Best regards, Pierluigi Traverso
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