A Dependable Supplier of Boron Minerals and Chemicals to the North American Markets. The shortest way from producer to consumer.

GROUND COLEMANITE

CHEMICAL SPECIFICATION

Component
Unit
Content
B2O3 % 40.00+/-0.50
CaO % 27.00+/-1.00
SiO2 % 4.00-6.50
SO4 % 0.60 max.
As ppm 35 max.
Fe2O3 % 0.08 max.
Al2O3 % 0.40 max.
MgO % 3.00 max.
SrO % 1.50 max.
Na2O % 0.35 max.
L.O.I. % 24.00 max.
Moisture % 1.00 max.
Bulk Density ton/m3 1.00 max.

SIEVE SPECIFICATION

Size (mm)
Unit
Content
+ 600 % 0.020 max.
+ 250 % 0.50 max.
- 75 % 87.00+/-5.00
- 45 % 75.00+/-5.00