一级肉体片在线观看,美女初次体验黑人在线观看,a免费国产一级特黄aa大,不卡黄色网站同性,夜夜操美女,无码免费h成年动漫在线观看,亚州无码高清在线着片视频

Welcome to visit our website!
Product List

Detail

Cosmetics accessories series

Product name: zinc Laurate

English name: zinc Laurate

Molecular formula: [CH3(CH2)10COO]2Zn

Properties: fine white powder, soluble in hot water and hot ethyl alcohol; lightly soluble in cold ethyl alcohol, ether and other organic solvent

Main uses

widely used in plastic, coating, textile, construction, paper-making, pigment and daily chemical field

 

Quality standard

Testing item

Testing standard

appearance

white fine powder

loss on drying, %

≤1.0

zinc oxide content, %

17.0~19.0

melting point, ℃

125~135 

free acid, %

≤2.0

iodine value

≤1.0

fineness, %   

325 mesh passing≥99.0     

heavy metal(in Pb), %

≤0.0020

lead, %

≤0.0010

arsenic, %

≤0.0005

 

Packaging: The PE film lined the polywoven bag. Net wt: 20kg/bag, or follow customer’s packing instructions.


【Last】      【Next】      【Return】