TextileGlossary.com

What is "Sun Protection Factor SPF" - Definition & Explanation

SPF measures the effectiveness of sunscreen on the body. the test for SPF is done by using a living organism or body to measure the length of time it takes for the skin to redden without coverage or protection.

Some other terms

Some more terms:

A machine on which the weaving is done. The warp (lengthwise) threads are secured on the loom through the eyes of heddles and attached to the loom beam at the front of the loom. The filling...
made from cotton with a four harness warp-faced twill weave. The filling yarn is a very loosely twisted and soft and later brushed to produce a soft nap on the back, the warp is medium in size. The...
A particular form of pressure mark (q.v.) in a fabric, and that is produced by the relief print-off of defects such as slubs or seams joining lengths of fabric, under excessive rolling tension or by...
Brightness or reflectivity of fibers, yarns, carpets, or fabrics. Synthetic fibers are produced in various luster classifications including bright, semi-bright, semi-dull, and dull. Bright fibers...
A process of passing cloths between one or more rollers (or calenders), usually under carefully controlled heat and pressure, to produce a variety of surface effects or textures in a fabric such as...

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