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What is "Blotch" - Definition & Explanation

Uneven absorbtion of wood stain due to changing directions of the wood grain at the surface. Some woods such as pine, cherry and maple are prone to blotch. This is sometimes confused with "figure" where there is a variation in the wood tones when finished. The former is normally a defect and the latter is not. You can prevent blotch by pre-sealing the wood with a "spit-coat" (thinned) coat of shellac, "wood conditioner", use of dye instead of pigment, or by using a gel stain that has

Some other terms

Some more terms:

A sturdy warp-faced fabric with pronounced crosswise ribs formed by bulky, coarse, plied yarns or rubber thread. Filling is not discernible on back or face of goods. Originating in Bengal, India it...
A manufactured fiber in which the fiber-forming substance is any long chain synthetic polymer composed of at least 85% by weight of an ester of a substituted aromatic carboxylic acid, including but...
A pinafore apron or simply pinafore is a type of apron worn by women. It originates from "pin afore", reflecting that the bib part of an apron was earlier often secured to the chest using...
A bast fiber obtained from the Hibiscus cannabinus plant. The stalk of this plant varies in height from 8 to 12 feet and is about half an inch in diameter. Kenaf is mostly produced in India and...
A modification of a plain weave in which two or more warp yarns weave together as one and two or more weft yarns weave together as one. NOTE: The basic hopsack weaves may be modified in a number of...

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