成人精品视频一区二区三区尤物_香港三级韩国三级日本三级_2020天堂在线亚洲精品专区_肉肉描写很细致的黄文

Welcome to Qinhuangdao Tianzi Chemical Industry Co.,Ltd Website!
お問い合わせ
Tel:+86-335-5978826
Address: Green Chemical Industry Garden, Lulong Economic Development Zone, Qinhuangdao City, Hebei Province, China.
Mobile:+86-15227250682,
+86-13313337629
E-mail:tzchem@163.com;
tzchem@myeng.com.cn
tzsales@myeng.com.cn
ホーム > 製品センター
Magnesium Sulfate
Name: Magnesium Sulfate
Molecular Formula: MgSO4·7H2O
Annual production capacity: 10,000T
Molecular weight: 246.48.
Characteristics: --White exiguous acicular or oblique-pillar crystal. Smell-less, taste-bitter. Easily efflorescent at dry air.
--Specific gravity is 1.68.
--Freely soluble in water . Soluble in its own water at 67.5oC. Slightly soluble in ethanol and glycerin.
--Decomposing is heated up. Loosing 4 molecules crystal water at 70-80oC.About at 200oC,lossing all of its crystal water becomes anhydrous compounds.
Use: Mainly used in fertilizer, tanning, printings and dyeing, activator, papermaking, plastic, porcelain, pigment matchmaking ,dynamite and fireproof materials making.
Can be used in printings and dyeing delaine as the aggravating reagent of calico or silk, and as filling up of wooden-cotton products. Be used as Epsom salts at medicine.
Package, Storage: Knitting bags with plastic liners,25kg,40kg,50kg per bag.
Quality Index: Index first class Second class
( MgSO4·7H2O)% ≥ 98.0 ≥ 95.0
iron (Fe)% ≤ 0.005 ≤ 0.01
Chloride(CL)% ≤ 0.30 ≤ 0.50
insoluble in water% ≤ 0.10 ≤ 0.15

 


Copyright(C)2017,Qinhuangdao Tianzi Chemical Industry Co.,Ltd All Rights Reserved. ?Supported by ????
Tel:+86-335-5978826 Fax:+86-335-5978826 E-mail:tzchem@163.com; Contact: Mr liu +86-13931486198