USER     @qinyangchem.com     PWS             zinc oxide for electronic(indirect method) 1, the particle size is small and even: it is convenient to fuse fully in the use process with other ingredient, which may reduce the electronic component physics parameter greatly the deviation. 2, high purity and convenient operation, which enhance the quality goods rate. 3, other element content are little: it affects slightly to the electronic component. Item Index Item Index Zinc oxide(dry product),%> 99.70 Moisture,%< 0.3 Potassium oxide(K),%< 0.0010 Hydrochloric acid insolubles,%< 0.006 Sodium oxide(Ne),%< 0.0010 Loss on ignition,%< 0.2 Ferric oxide(Fe),%< 0.0020 PH 7.0-7.8 Cadmium oxide(Cd),%< 0.0050 Mean diameter,,um< 0.5 Lead oxide(Pb),%< 0.035 Residue on sieve(45um),%< 0.10 Copper oxide(Cn),%< 0.0002 Appearance White powder Metallic zinc(Zn),% none               Home | About Us | Culture | Products | Feedback | Contact Us Copyright © 2008 Xianyang Qin Yang Chemical Co.,Ltd. All rights reserved. Support by JXHGW.COM