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:

An acetic acid ester of cellulose. It is obtained by the action, under rigidly controlled conditions, of acetic acid and acetic anhydride on purified cellulose usually obtained from cotton linters....
A strong, firm, tightly woven, durable fabric usually of cotton but sometimes of linen, hemp or other fibers. It is usually plain weave but sometimes with a crosswise rib. It is produced in a variety...
The quantity of heat absorbed or released by a substance undergoing a change of state, such as ice changing to water or water to steam, at constant temperature and pressure. When a solid material is...
A waxy or oiled-finished leather These leathers lighten when stretched, bent, or "pulled up". They are categorized as natural because they do not have a thick top coat. They have a nice hand, and...
A jumper dress or simply jumper (British English: pinafore dress, pinafore, pinny), is a sleeveless, collarless dress intended to be worn over a blouse or sweater. There is sometimes confusion over...

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