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Expert's Corner — liquid

A Glossary Of Basic Finishing Technology

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A Glossary Of Basic Finishing Technology

As with any technical field, understanding the terminology of finishing is critical. It’s also critical that we all mean the same thing with the terms we use. With that in mind, here are some of the most common finishing terms, in alphabetical order, and their definitions. Bleach is a chemical that removes stains and, sometimes, the natural color from wood. The three types of bleach are chlorine (sodium hypochlorite), which removes dye color without changing the color of the wood; oxalic acid, which removes rust marks and lye stains without changing the color of the wood; and two-part bleach (sodium...

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Tip 1: Strain Product: Always

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Tip 1: Strain Product: Always

Straining is a topic that we talk a lot about in our Prep to Finish paint training program (preptofinish.com). Conventional wisdom and common sense dictate that straining is a great way to remove contaminants from product while it is still in liquid form. This is certainly true, but there are other, more subtle considerations that make straining a good idea.Specifically, building the habit of straining ALL product every time you load your cup gun is cheap insurance at a deeper level. As the product world transitions more into waterborne platforms, the practice of shaking a can of product is not...

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TIP: Understanding Furniture Care Products

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TIP: Understanding Furniture Care Products

Making a decision which furniture care product to use or recommend can seem impossibly confusing if you listen to advertising or read labels. But if you separate the products into four categories for what they do, they are understandable, and you can make an intelligent choice. The four categories are clear, emulsion (milky white), silicone and wax. A few examples of each are shown, left to right, in the accompanying picture. Clear polishes are usually packaged in clear plastic containers and are based on petroleum distillates such as mineral spirits or, sometimes, citrus oils. They clean grease and remove wax,...

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TIP: Fixing a Worn Finish

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TIP: Fixing a Worn Finish

After a good deal of wear or abuse some areas of a finish may wear through exposing the lighter-colored wood.  As long as no stain, glaze or toner is involved, you can usually fix these problems simply by applying more finish on top. The easy test to see if this will work is to apply a little liquid to the wear-throughs with your finger. You could use mineral spirits (paint thinner) on any finish without causing damage, but the most convenient liquid is from your mouth. Wet your finger and wipe the liquid over a small part of the surface,...

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TIP: Caring for Crazed Finishes

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TIP: Caring for Crazed Finishes

Old crazed finishes are very fragile. You can reduce potential damage to these finishes with slick furniture polish or paste wax. But as you can see in the picture, liquid furniture polish (left) highlights the crazing and makes it look worse, while paste wax (right) adds a little shine and scratch resistance without highlighting the crazing. So paste wax is the better furniture-care product for crazed surfaces. (There is a small area in the middle with nothing on it.)

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