Sound technical content, curated with aloha by
Ted Mooney, P.E. RET
Pine Beach, NJ
The authoritative public forum
for Metal Finishing since 1989
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Titanium solid colour
I am new to anodizing, and using 20% sulfuric acid with water; I got light blue which is not solid, it's very transparent. What should I do for make it solid? Can anybody help me in it .
Waseem Akramstudent - India
2007
20 percent sulfuric acid sounds unnnecessarily strong and dangerous, Waseem. Milder things like coca-cola or TSP (trisodium phosphate ⇦this on eBay or Amazon [affil links] ) can be used for safer, easier, better results. The color comes from a very thin interference coating, so don't expect deep, highly saturated, solid colors. But I have read that it is possible to apply a coating that is thicker by applying more voltage and going all the way through the spectrum until you come back to blue at two wavelengths rather than one. Good luck.
Ted Mooney, P.E.
Striving to live Aloha
finishing.com - Pine Beach, New Jersey
2007
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