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

 

05-01-2017