麻花传媒剧在线mv观看免费,一级a一级a爱片免费免免,三AAAAAA级黄片性奴,亚洲三级aV多人轮换,一级a一级a爱片免费免免,三AAAAAA级黄片性奴,亚洲三级aV多人轮换

聯(lián)系我們
石家莊市裕華區(qū)翟營(yíng)南大街39號(hào)，新界商務(wù)北樓1單元808室
電話：0311-68090739
傳真：0311-68090739
您的位置：首頁(yè) > 產(chǎn)品展示 Cobalt Oxide 72%
Cobalt Oxide 72%
ItemsSpecifications（％）Co≥72Ni≤0.05Fe≤0.1Cu≤0.04Mn≤0.04Zn≤0.04As≤0.005Cd≤0.005Pb≤0.005fineness≥300 meshCo≥60.0％,Organize production according to customers requestTraits： …

Items

Specifications（％）

Co

≥72

Ni

≤0.05

Fe

≤0.1

Cu

≤0.04

Mn

≤0.04

Zn

≤0.04

As

≤0.005

Cd

≤0.005

Pb

≤0.005

fineness

≥300 mesh

Co≥60.0％,Organize production according to customer's request

Traits： Dark grey powder
Use： Mainly used in magnetic materials, electronic components materials, carbide materials, enamel color porcelain glaze, ceramic, porcelain, glass, co catalyst and other cobalt salts
Packing： 25kg/50kg Iron drum is installed