- Functions:Filler
- Chemical Family:Carbonates, Quartz, Calcium Salts
- End Uses:Varnishes, Powder Coating
- Particle Size:4.5 - 4.5 microns
- Oil Absorption:17.0 - 17.0 g/100 g
Hubercarb® M4 is a fine ground calcium carbonate produced from a uniform, high calcium limestone deposit in Marble Falls, Texas. Carefully controlled particle distribution allows M4 to be used in a wide range of applications including paints, coatings, PVC compounds, caulks, silicone rubbers, and plastics.