Hubercarb® G8 Calcium Carbonate   

Hubercarb® G8 is a high purity, fine particle size calcium carbonate with consistent typical physical properties. It is widely used in adhesive, caulk and sealant applications as a rheology modifier, cost-reducing filler, opacifier and/or whitening agent. In paints and coating applications it is commonly used as an extender, anti-slip additive or rheology modifier. Hubercarb® G8 can also improve the physical and rheological properties of powder coatings.


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The information presented here was acquired by UL from the producer of the material.  UL makes substantial efforts to assure the accuracy of this data.  However, UL assumes no responsibility for the data values and strongly encourages that upon final material selection data points are validated with the material supplier.