Microcal WPS is a micronized natural Calcium Carbonate for achieving best results at higher loadings in various applications, specially paints and plastics. The product is manufactured from high purity mineral of limestone family. The particle structure is spherical and microcrystalline. The product is micronized in latest grinding equipment based on German technology and has the following advantage over other competitive products available in the market.
• Extremely suitable particle-size distribution to ensure better dispersion and excellent
physical properties (e.g. increased impact strength) in various polymers/plastics
application.
• Absolutely grit-free ensuring long life of processing machinery as no wear and tear
occurs.
• Uninterrupted and smooth production and uniform quality of products.
TYPICAL PHYSIOCHEMICAL PROPERTIES
Specification :
PROPERTIES
UNIT
VALUE
Physical Properties
Top-cut size (d 97)
Microns
12
Avg. particle size (d 50)
Microns
5
Bulk density
gm/cc
0.9-1.1
Brightness
%
98/+ 2
Oil Absorption
%
22-25
Specific Gravity
--
2.7
Moisture
% max
0.2
pH of Saturated acq. solution
--
8.5-9.5
Chemical Properties
Total Carbonate
% min
98
Total Silicates
% max
0.2
Free Silica
% max
0.08
Other Oxides
% max
0.2
Coating (stearate)
%
0.0
Application :
As a functional filler/additive in RPVCA pipes, Master batches, PP, HDPE, LDPE, ABS, Epoxy, PS and other polymer based compounds & as an extender in paints.
