-own mine, lower price -Large quantity dolomite lump -prompt delivery -high output -many years experience

first grade Dolomite lump

Product Advantage:

High volume resistance coefficient

Easy to disperse, improve the disperse of pigment and addition agent.

Low screenings, stable quality

Typical data:

Appearance	High Micro powder/ raw material lump
Special modified	washed
ISO whiteness (%)	> 90.0
Specific  gravity (g/cm3)	2.6
Median particle size(microns)	0.7
+325 Mesh Sieve remaining (%)	< 0.03
105°C Free water %	≤1
PH value	5.0-7.0

Chemical Properties

SiO2	<1
Fe2O3	0.2
CaO	30
MgO	21
moisture	3%
whiteness	60

first grade Dolomite lump