Technical datasheet

Hubercarb® M70

Supplied byHuber Engineered Materials- Last Updated on Apr 29, 2026

Hubercarb® M70 by Huber Engineered Materials is a medium fine ground calcium carbonate-based filler. It acts as an extender, gloss control agent, anti-slip additive, rheology modifier and densifier.
  • Produced from a uniform, high calcium limestone deposit in marble falls, Texas.
  • It is suitable for oilfield drilling fluids where its low acid insoluble content is useful.
    • Hubercarb® M70 is recommended for traffic paints and coating applications.
Product family:
Rheology Modifiers / Thickeners|
Fillers / Fibers|
Gloss Control Agents|
Surface Conditioners / Surface Modifiers|
Slip Control Agents
Chemical family:
Calcium Carbonate
Product Type:
Additives|
Fillers & Fibers
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Benefits

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Compliance

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Applications

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Coatings
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Availability

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Hubercarb® M70 properties

Other properties

PropertiesValue & unitTest conditionTest method
Alkalinity0.0 Visible After LoginVisible After LoginVisible After Login
Brightness0.0 Visible After LoginVisible After LoginVisible After Login
CTE, Linear0.0 Visible After LoginVisible After LoginVisible After Login
Calcium Carbonate Content0.0 Visible After LoginVisible After LoginVisible After Login
Density0.0 Visible After LoginVisible After LoginVisible After Login
Density, Loose0.0 Visible After LoginVisible After LoginVisible After Login
Density, Tapped0.0 Visible After LoginVisible After LoginVisible After Login
Hardness, Mohs scale0.0 Visible After LoginVisible After LoginVisible After Login
Magnesium Carbonate Content0.0 Visible After LoginVisible After LoginVisible After Login
Moisture Content0.0 Visible After LoginVisible After LoginVisible After Login
Oil Absorption Number (OAN)0.0 Visible After LoginVisible After LoginVisible After Login
Particle Size Distribution0.0 Visible After LoginVisible After LoginVisible After Login
Particle Size Distribution0.0 Visible After LoginVisible After LoginVisible After Login
Particle Size Distribution0.0 Visible After LoginVisible After LoginVisible After Login
Particle Size Distribution, Median0.0 Visible After LoginVisible After LoginVisible After Login
Refractive Index0.0 Visible After LoginVisible After LoginVisible After Login
Silica and Silicate Content0.0 Visible After LoginVisible After LoginVisible After Login
Solubility0.0 Visible After LoginVisible After LoginVisible After Login
Specific Gravity0.0 Visible After LoginVisible After LoginVisible After Login
Water Demand0.0 Visible After LoginVisible After LoginVisible After Login
pH0.0 Visible After LoginVisible After LoginVisible After Login
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