Filler – Line, Dolomite, Talc, Barite, Perlite – Hosokawa Micron .The two diagrams and the table give an overview of the different grinding and classifying systems used for fillers. Fine fillers – high performance. Line (CaCO3) is one of the most important, versatile and – in terms of quality – most frequently used minerals. It is common throughout the world and is used in the plastics,.line dolomite grinding,Does Your Lawn or Garden Need Lime? | North Carolina .Jan 25, 2013 . Lime is a soil amendment made by grinding line, a naturally occurring type of rock that is very high in calcium. Two types of lime are commonly used . Dolomitic lime is made from dolomite, a type of rock very similar to line except it also contains magnesium. In North Carolina, dolomite is found.