Carl Izzo Consultant

Liquid Coating

The Meniscus Effect

Question: I have painted some graphics for an overmolded automotive control button.

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Liquid Coating

Painting Tube Interiors

Question: We want to paint metal tubes with inside diameters from 2-10 inches.

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Liquid Coating

Textured Paint Chips

Question: We do not paint our products in-house.

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Parts Cleaning

Painting Aluminum

Question: We are a small ornamental iron shop.In an effort to offer a more durable outside railing to customers, we have been manufacturing our ornamental iron designs from aluminum using traditional structural, just as with wrought iron, one-inch-square tubes, one-half-inch punched channels for framing, one-half-inch square solids for balusters, molded top rail or a channel for a top cover.

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Parts Cleaning

Painting Over Zinc

Question: I currently manufacture a part out of cold rolled steel.

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Liquid Coating

Pretreatment Over Pretreatment, Part 2

Question: Your response to “Pretreatment Over Pretreatment” in the February Painting Clinic should be amended to warn him that running aluminum through an Iron phosphate spray washer would make the sludge in the washer a hazardous waste (according to an earlier comment you made about a year ago). I believe the problem is created by the definition of acid washing of aluminum is a categorical hazardous waste (by EPA definition). When he cleans the washer, all the sludge that is normally sent to the landfill or flushed down the sanitary sewer would be considered an illegal disposal of hazardous waste.

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Liquid Coating

Paint Booth Plus Oven Exhaust

Question: We are undertaking a plant modernization project.

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Liquid Coating

Topcoat For Plastic Reflectors

Question: I work for a major manufacturer (made in the USA) of emergency warning lights for fire trucks, ambulances, and police cars.

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Liquid Coating

Bulk Painting Split Rings

Question: The company at which I am employed produces split rings that are used in the manufacture of fishing tackle.

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curing

Plastisol Drips

Question: Just read your comment and response to C.O. in the January 2003 issue, Re: Plastisol Drips.

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Pretreatment Really is Important

Question: After reading N.F.’s question/commentary in your December 2002 issue, I had to add my two cents.

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Painting Stainless Steel

Question: I believe that a correctly passivated stainless steel must be exposed to air to enhance and continually reinforce the passivated microscopic layer present on the surface.

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