在线黑人抽搐潮喷,激情航班h版在线观看,亚洲6080YY久久无码国产,亚洲中文久久精品无码软件,啦啦啦在线观看免费版中文,美丽人妻在夫前被黑人,成 人 黄 色 网 站 视频,av理论片在线观看,2021国产精品视频网站,日本极品人妻VIDEOSSEX

shape-img
shape-img
shape-img
shape-img
shape-img
shape-img
shape-img
shape-img
shape-img
shape-img
shape-img
shape-img
Fluorite, Lump Ore


CAS No.:7789-75-5
Molecular Formula:CaF2
Specifications:GB5690-85

Physical properties: It has glaucous fluorescence under Uv ray. Vitreous burnish. Moss hardness is 4. Specific gravity is 3.18. Basically originate in hydrothermal lode. Can be green, white, yellow, blue, purple, etc. Pure fluorite originate in geode of fluorite pulse and looks colorless and transparent.

Applications: It is the main raw material of making hydrofluoric acid. It is also used in the enamel manufacturing, optical glass, glass fiber, laser generator, and coating.

Packing specification: Laminated plastic woven bag lined with plastic film double-layer packaging, net weight of each bag is 25Kg, 50Kg, or according to customer requirements.

 

Class
super class
first class
second class
third class
fourth class
C hemical Composition (%)
CaF2 Not less than
98
98
97
95
93
SiO2
Not more than
0.6
0.8
1.0
1.4
2.0
CaCO3
0.7
1.0
1.2
1.5
-
S
0.03
-
-
-
-
P
0.02
-
-
-
-

Note : "-"in the form means no rules about content. If customer have special requirements, both sides can decide through consultation.





?