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What is "pH" - Definition & Explanation

pH is the measure of acidity or alkalinity of a substance. On a scale of 0-14, 7 is neutral (neither acid nor alkaline). Lower than 7 is acidic (gives up a hydrogen atom when added to water) and greater than 7 is alkaline (a base), giving up OH (hydroxide) when added to water. The further away the number is from 7, the "stronger" it is. Each fabric has a preferred pH. PH is also used in water-based cleaning as some soils yield to different pH solutions.

Some other terms

Some more terms:

A flat. ribbed fabric woven with fine yarns in the warp, with heavier yarns in the filling.using a plain weave. The ribbed effect is flatter than gross grain and smaller than a repp. The fabric is...
The process of dyeing yarns prior to weaving or knitting fabrics. Generally used for patterned fabrics or stripes but poplular for knitwear. Two general methods are Hank (for bulkier yarns -...
A method of folding finished fabric in which the fabric is first folded in half widthwise, then folded back and forth in equal lengths. Finally, the fold edge on each side is folded to the inside,...
A sleeveless short top that is held in place by a narrow band of cloth that goes around the back of the neck. Halter tops usually tie, hook, or clasp behind the neck and across the back, leaving the...
The crimped, rippled, wavy or pebbled appearance of a fabric where distortion of the structure has occurred as the result of non-uniform relaxation or shrinkage. NOTE: This defect may result from...

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