Hubercarb® M200

1 of 51 products in this brand
Hubercarb® M200 is a medium fine ground calcium carbonate produced from a uniform, high calcium limestone deposit in Marble Falls, Texas. The M200 particle distribution offers a wide range of applications from carpet backing to cleansers, joint compounds to PVC flooring, concrete to oilfield drilling fluids where its low acid insoluble content is useful

Functions: Filler

Chemical Family: Calcium Salts, Carbonates, Silicates

Particle Size: 15.0 - 15.0 microns

Oil Absorption: 12.0 - 12.0 g/100 g

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Knowde Enhanced TDS

Identification & Functionality

CASE Ingredients Functions
CAS No.
471-34-1
EC No.
207-439-9
Technologies

Applications & Uses

Properties

Physical Form
Soluble in
Acid
Chemical Properties
ValueUnitsTest Method / Conditions
Calcium Carbonate92.0%
Magnesium Carbonate1.5%
Silica and Silicates4.5%
Other2.0%
Physical Properties
ValueUnitsTest Method / Conditions
Acid Solubility (in HCl)92%
Brightness (Hunter reflectance)83.0%
Compacted Bulk Density80lb/ft³ASTM C110
Loose Bulk Density60lb/ft³ASTM C110
Mesh size (-325)84.0%
Median Particle Size (Cilas®)15.0μ
OIl Absorption12.0lbs oil / 100lbsASTM D281
Moisture0.1%ASTM D280
Water Demand37.0mL/100 gms
Typical Properties
ValueUnitsTest Method / Conditions
Specific Gravity2.7ASTM D153
ColorWhite
pH (Saturated Solution)9.4ASTM D1208
Mineral Properties
ValueUnitsTest Method / Conditions
Hardness (Mohs)3
Linear Expansion Coefficient4.3 x 10^-6°C
Solubility (H₂O, 100°C)0.0035g/100ml
Weight per Gallon (s.g. x 8.345)22.6lbs
Particle Shape (Microscope)Irregular, uniaxial
Refractive Index (Hand. Of Chem. & Phy)1.6
Alkalinity (as NaOH)0.4mg/gmASTM D1208