Carl Izzo Consultant

Liquid Coating

Enclosed Spray Booth

We are located in southern India, where the normal temperature is 30-40°C. How can we control the humidity and temperature in our spray paint booth?

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Liquid Coating

Painting Radiators

Is spray painting the best option for getting paint onto cooling radiators, and if so, what type of spray guns or special nozzles do you recommend?

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Liquid Coating

Weld Drag Marks

Regarding the question by B.F. (January 2011) concerning spot weld drag marks: While your answer was certainly correct, the question may still not be completely answered.

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Liquid Coating

Painting Fishing Lures

What are the best undercoat and finish coat to use on stainless steel fishing lures?

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Liquid Coating

Thermal Oxidizer

Our client has an RTO on its aluminum window frame painting line, and we supplied a total hydrocarbon analyzer to meet compliance. We get a huge spike in the readings when the RTO chambers cycle every four minutes. We can go from 3 to 6 ppm for four min, then spike to 400 to 1,000 ppm for a few seconds. I don’t believe RTOs should work that way and that switching should have little or no effect on efficiency. I think the client’s unburned paint is contaminating our gas analyzer.

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Liquid Coating

Applying Gel Coats

Is it possible to apply paint into the SMC molding process which satisfies 0.4 mm paint thickness and a minimum surface hardness of 4H?

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Liquid Coating

Why Paint Stainles Steel?

Are air-dry epoxy coatings suitable for application on 304 and 316 stainless steel materials?

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Liquid Coating

Sanding in the Finishing Area

Is it standard practice to allow sanding in areas where the final top coat is sprayed?

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Liquid Coating

Controlled Skinning

Can you recommend a low-cost, industrial, clear glossy alkyd medium that can produce the skinning effect you get with some stored alkyd paints?

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Liquid Coating

Painting Stainless Steel

We are concerned about paint adhesion on equipment cabinets made of mostly 41003 (a utility-grade stainless steel that is 12 percent Cr) and either 304 or 201 for the hard-to-draw parts.

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Liquid Coating

Stirred, Not Shaken

My group has responsibility for process specification BAC5736 regarding mixing of an epoxy primer. Here is my interpretation of the specification.

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electronics

Fungus-Resistant Topcoat

We are using a mil spec polyurethane topcoat, MIL-PRF-85285, on an electronics housing, and I am trying to find a reference indicating that this topcoat is fungus-resistant.

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