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2. Zinc oxide - Wikipedia

   en.wikipedia.org/wiki/Zinc_oxide

   Zinc oxide is an inorganic compound with the formula Zn O.It is a white powder which is insoluble in water. ZnO is used as an additive in numerous materials and products including cosmetics, food supplements, rubbers, plastics, ceramics, glass, cement, lubricants, [12] paints, sunscreens, ointments, adhesives, sealants, pigments, foods, batteries, ferrites, fire retardants, semi conductors ...

3. We asked a dermatologist the most common questions about SPF ...

   www.aol.com/lifestyle/asked-dermatologist-most...

   AOL: Is there a big difference between SPF 15 and SPF 50? What do the different numbers actually indicate? ... which use titanium and zinc oxide as the active ingredients. Mineral sunscreens are ...

4. Sunscreen - Wikipedia

   en.wikipedia.org/wiki/Sunscreen

   The sun protection factor (SPF rating, introduced in 1974) is a measure of the fraction of sunburn-producing UV rays that reach the skin. For example, "SPF 15" means that 1 ⁄ 15 of the burning radiation will reach the skin, assuming sunscreen is applied evenly at a thick dosage of 2 milligrams per square centimeter [65] (mg/cm 2). It is ...

5. Z-Cote - Wikipedia

   en.wikipedia.org/wiki/Z-Cote

   Z-Cote is a commercial zinc oxide line [1] manufactured and owned by BASF. [2] Due to Z-Cote's photo-protective properties it is commonly used in personal care products and sunscreens. It is available in nano, non-nano, coated and uncoated forms. [ 3 ]

6. Versed Skin’s New Zinc Oxide SPF Is Now 10 Percent ... - AOL

   www.aol.com/versed-skin-zinc-oxide-spf-133000099...

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7. Zinc white - Wikipedia

   en.wikipedia.org/wiki/Zinc_white

   An early example of zinc white's use in painting [1]: 183 Zinc white is an inorganic pigment composed of zinc oxide that has been used by painters since the late eighteenth century. [1] Alongside lead and titanium white, it is among the three most prominent white pigments that are commercially available today. [1]

8. Sun protective clothing - Wikipedia

   en.wikipedia.org/wiki/Sun_protective_clothing

   UPF (ultraviolet protection factor) represents the ratio of sunburn-causing UV without and with the protection of the fabric, similar to SPF (sun protection factor) ratings for sunscreen. While standard summer fabrics have UPF ~6, sun protective clothing typically has UPF ~30, which means that only 1 out of ~30 units of UV will pass through (~3%).

9. Zinc smelting - Wikipedia

   en.wikipedia.org/wiki/Zinc_smelting

   The most common zinc concentrate processed is zinc sulfide, [1] which is obtained by concentrating sphalerite using the froth flotation method. Secondary (recycled) zinc material, such as zinc oxide, is also processed with the zinc sulfide. [2] Approximately 30% of all zinc produced is from recycled sources. [3]