Shandong Xingya New Materials Co., Ltd.
Zibo Union Carbon Chemical Co., Ltd.
Xingya’s main product is nanometer zinc oxide- white or straw yellow, +2 amphoteric oxide, hard to dissolve in water, to dissolve in acid and alkali, tasteless, innocuity, refined. It has relative density of 2.00-3.00, melting point of 1970。. Put in the air, it absorbs CO2 and water and then becomes yellow; heated, it turns to yellow and return to white after cooling. It doesn’t become black when meeting with sulfureted hydrogen. And ultraviolet ray can’t pass through it.