UMK - United Manganese of Kalahari

Our Product

UMK mainly produces a 6x75mm sizing product.  A 0x6mm sizing is also marketed when opportunities arise.

The table below is reflective of the typical quality of UMK’s product.

Typical Product Specification

Element Average Maximum Minimum
Mn 37.50 42.00 36.00
Fe 6.41 10.93 4.74
CaO 7.44 11.00 0.99
SiO2 7.70 10.72 5.33
LOI 14.24 16.56 10.92
Al2O3 0.35 0.59 0.25
Ba 0.15 0.43 0.05
Cr2O3 0.04 0.14 0.01
K2O 0.69 1.08 0.38
MgO 1.76 2.31 0.92
Na2O 0.35 0.53 0.20
P 0.03 0.04 0.00
S 0.01 0.02 0.00
TiO2 0.01 0.02 0.01
V2O5 0.03 0.03 0.02

UMK’s product is marketed by Kalahari Trading AG, a company incorporated in Switzerland and operating out of offices in Zug, Switzerland.

Kalahari Trading AG’s contact details:

Physical Address:
Baarerstrasse 94
CH-6300 Zug
Switzerland

All marketing queries for UMK can be directed by email to: sales@kalaharitrading.ch