TextileGlossary.com

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 basic stitch used in weft knitting, which produces knit fabrics that have the same appearance on both sides. The purl stitch is frequently used in combination with the jersey and rib stitches to...
Leather that is dyed right through during tanning and has no coating on the top of the hide. Only the top quality hides are used for this type of leather and they retain natural variations such as...
A finish, usually applied to fabrics made from cotton or other cellulosic fibres or their blends, which improves the crease recovery and smooth-drying properties of a fabric. In the process used most...
A color match between physically different stimuli, ie a match between stimuli with different reflectances or spectral power distributions. Such stimuli that match (for an observer and a viewing...
Silk warp and crepe twist silk filling with more ends than picks per inch. Has a soft hand, considerable luster, launders well, and is fairly sheer. Made of raw silk or rayon, it is easy to...

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