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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 high speed yarn spinning process that creates yarn by transferring twist from previously formed yarn to fiber or sliver continuously fed into the spinning machine. The twisting may be done by...
A treatment of cotton yarn or fabric to increase its luster. Its affinity for dyes is also enhanced. In the process, the material is immersed under tension in a sodium hydroxide (caustic soda)...
a) A multi-filament yarn with no twist. NOTE: The term is still used in respect of these yarns after a small amount of twist has been introduced by subsequent processing, e.g. as in over-end...
The device (similar to a showerhead) which forms strands of filament as molten polymer is pumped through. It is at this stage that the fiber cross section, fiber size and the number of filaments in a...
Bamboo (Bambusa) a giant woody grass, often reaching a height of forty feet or more, found in the tropical and subtropical regions of the Eastern Hemisphere. It also has been grown successfully in...

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