Flour spar concentrate of FF-95А grade

Flour spar concentrate of FF-95А grade  (GOST 29219-91 Acid-Based and Ceramic Flour Spar Concentrates) is used in manufacturing of fluoroplastics, coolants, electrolytic aluminum, hydrofluoric acid, anhydrous hydrogen fluoride, glass heat-proof tubes, glass balls, glass fiber, high-quality silicate enamels, and special viewing systems.

It shall be transported in bulk manner by hopper cement trucks, tank wagons, big bags of 1 ton net weight as placed in open wagons or by truck.

Index designation Value
as standard for grade
1. Calcium Fluoride mass fraction, %, min.

 95.0
2. Impurities mass facrtion, %, max.

 
Silicon dioxide

2.0
Calcium carbonate

 1.5
Sulfur

 0.2
3. Moisture mass fraction, %, max.

 1

4. Mass fraction of particles as sized more than 0.14 mm, %, max.

 10
5. Iron mass fraction, %, max.

 0.2
6. Mechanical impurities

 unacceptable

Flour spar concentrate of FF-95А grade