Fine-grained sand / Entzand

Filcom is the only company in the Netherlands that is certified by Kiwa to provide sand and gravel for the production of drinking water.

Standard grain sizes : 
grain size(mm)Undersize max (%)Oversize max (%)U.C. maxU.C.averagetype
0,20-0,50551,451,38fine
0,20-0,63551,551,46fine
0,40-0,63551,31,21fine
0,40-0,80551,41,36fine
0,50-1.00551,51,41fine
0,63-1,00551,31,20fine
0,71-1,25551,351,29average
0,80-1,25551,31,25average
1,00-1,6010101,351,25average
1,40-2,0010101,351,23average
1,00-2,0010101,41,35average
1,70-2,5010101,351,25average
2,00-4,0010101,41,33coarse
3,15-5,6010101,41,35coarse
5,00-8,0010101,41,52coarse