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Polyurethane Painting Procedure



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"Polyurethanes"
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"Waterborne and Solvent Based Surface Coating Resins and their Applications: Polyurethanes "
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2006

Sir,
Can you guide me regarding the painting procedure for polyurethane coating on aluminum extruded section used in industrial valves.
1) Is there any air drying type of paint.
2) Does this coating give any nail hardness feature.
3) Is baking the painted component in the oven necessary.
Regards,

Ashwin K [last name deleted for privacy by Editor]
manufacturing pneumatic valve bodies and their sub assemblies - Kolahpur, Maharashtra, India
^


April 11, 2008

Dear sir

Please give the details polyurethane painting procedure.

thanking you

your faithfully

M.Karthikeyan
engineering services - Chennai, Tamilnadu, India
^


April 2008

Hi, gentlemen. Polyurethane is simply the name of a polymer/plastic. It even includes thermoplastics as well as thermosets, and can be applied as powders or paints. There are also 100% polyurethanes, which means coatings that involve no solvents, and these are generally applied as two liquids which react after application.

The answers to Ashwin's questions are Yes, Yes, and No. But your questions involve a very broad range of highly diverse technologies and can't be answered in a few paragraphs.

You can start at www.polyurethane.org, and if you determine that your interest is limited to 100% polyurethanes, you can try www.geocities.com/pucoating/faq1.htm

Regards,

Ted Mooney, finishing.com
Ted Mooney, P.E.
Striving to live Aloha
finishing.com - Pine Beach, New Jersey
^

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