vermiculite

Vermiculite Product Range: crude graded vermiculite concentrate, exfoliated vermiculite granular, exfoliated vermiculite powder
Vermiculite's distinct properties offer a number of benefits including high heat and fire resistance, high absorbency, excellent insulating, sound absorption and reinforcement. Vermiculite is also economical and can be modified for specialty applications.
Vermiculite is most widely used in its exfoliated form.  The concertina-shaped granules of exfoliated vermiculite are non-combustible as well as being insoluble in water and all organic solvents.  Safe and easy to handle, exfoliated vermiculite is available in the market place in different grades as shown in the table below:
 
Particle size Loose densitykg/m3 Pass percentage% Thermal conductivity (kcal/m.h.)
4-8mm 80-150   0.045
2-4mm 80-150   0.045
1-2mm 80-150   0.045
20 80-180 95 0.045-0.055
40 80-180 95 0.045-0.055
60 80-180 95 0.045-0.055
100 80-180 95 0.045-0.055
200 150-300 95 0.045-0.055
250 150-300 95 0.045-0.055
325 150-300 95 0.045-0.055
400 150-300 95 0.045-0.055
600mesh 150-400 95 0.045-0.055
800mesh 150-400 95 0.045-0.055
1250mesh 150-400 95 0.045-0.055