1、 Product Introduction
superfine dolomite Powder (heavy magnesium carbonate) CaCO3.MgCO3
1. Raw material: natural high-quality dolomite
2. Features: high whiteness, compact crystal structure, less impurities, smooth surface, uniform particle size, good insulation, low DOP oil absorption value, etc
It reacts slowly in cold dilute salt, and has good weather resistance and weathering resistance.
3. Process: strictly select raw ore - cleaning - grinding - airflow classification - detection center - qualified ex warehouse
2、 Product index items
Indicator items
800M
1250M
2000M
2500M
Particle size D97 (μ m) ≤
sixteen
ten
six
five
Whiteness ≥
ninety-five
ninety-five
ninety-six
ninety-six
MgO content% ≥
twenty
twenty
twenty
twenty
CaO content% ≥
thirty
thirty
thirty
thirty
PH value (10% suspension)
8.5-9.5
8.5-9.5
8.5-9.5
8.5-9.5
Oil absorption (ml/100g)
16-20
18-22
20-24
22-26
Water content% ≤
zero point three
zero point three
zero point three
zero point three
Specific gravity (t/m3)
two point seven zero
two point seven zero
two point seven zero
two point seven zero
Fe2O3 content% ≤
zero point zero two
zero point zero two
zero point zero two
zero point zero two
appearance
White powder
White powder
White powder
White powder
3、 Main use of the product
Widely used coating , rubber, plastic, building materials ceramics 、 Glass Fiber, refractory, chemical industry, agriculture, environmental protection (sewage treatment) and other fields. It is used to produce calcium magnesium phosphate fertilizer, granular fertilizer, magnesium sulfate and acid soil neutralizer in chemical agriculture; It can be used as the ingredient of glass and ceramics and building materials Stone 。
Ultra fine dolomite powder is an important raw material for glass manufacturing industry. Stable chemical quality and uniform and balanced particle size control are important guarantees for improving the yield of glass.
