POLCARB 40 is a high quality ground calcium carbonate produced from pure chalk deposits. It has an average particle size of 2.4 microns which makes it well suited for various coating and construction applications where smoothness and opacity is required. POLCARB 40 has a brightness level of 78% and oil absorption of 16 g/100g providing excellent reinforcing properties and compatibility in different formulations. Its fine particle size distribution and free flowing nature allows for easy dispersion and incorporation into various coating systems and building materials. POLCARB 40 is specifically designed to deliver properties like enhanced mechanical strength, barrier effects and extended durability in final products.