... 4.Fixed Carbon: 87% 5.Remains on Sieve: 80% Natural Flake GraphiteModel:LZ-187Size: -100meshFixed Carbon: 87%Volatile: 2.50%Ash ... %Remains on Sieve: 80%Advantage:Perfect crystallization,great size in flake,high density,low content of mica,high luminance,excellent perature ... customers include paper bag,PP bag,woven bag,etc. Supply flake graphite +187