Chemical components
Chemical Composition |
SiO2 |
Al2O3 |
MgO |
CaO |
PH |
Fe2O3 |
Impurity |
(%) |
41 |
18 |
21 |
0.8 |
7-10 |
3.5 |
< 3 |
Size: 0.3-1mm/1-2mm/2-4mm or other sizes customers required.
Expanded Vermiculite
Size |
Density (Kg/M3) |
Water Absorption(%) |
Thermal Conductivity (k·m2·h·℃) |
Impurity(%) |
8mm Above |
70-110 |
480 |
0.045 |
≤3 |
4-8mm |
70-110 |
480 |
0.045 |
≤3 |
3-5mm |
80-120 |
465 |
0.045 |
≤3 |
1-3mm |
80-150 |
430 |
0.045 |
≤3 |
20-40mesh |
100-160 |
410 |
0.045-0.055 |
≤2 |
40-70mesh |
100-170 |
410 |
0.045-0.055 |
≤2 |
70-100mesh |
100-170 |
400 |
0.045-0.055 |
≤2 |
150mesh |
100-18 |
400 |
0.045-0.055 |
≤1 |
200mesh |
100-180 |
400 |
0.045-0.055 |
≤1 |
325mesh |
100-180 |
400 |
0.045-0.055 |
≤1 |
Blended Grade |
90-180 |
430 |
0.045-0.055 |
≤3 |
Size:0.3-1mm/1-2mm/1.5-3.5mm/2-4mm/3.5-7mm/4-8mm/20-40mesh/70-100mesh/325mesh or as per customers'request