GB1128571842621900000
HOLLOW ALUMINO-SILICATE GLASS MICROSPHERES, PARTICLES RETRIEVED FROM
ASH RESIDUE RESULTING FROM THE BURNING OF COAL AT POWER STATIONS. SPH
ERES ARE HARVESTED FROM THE ASH, HEATED, SCREENED SIEVED AND PACKED IN
SACKS. PRODUCT IS USED AS A LIGHTWEIGHT FILLER WITH THERMAL AND SOUN
D INSULATION PROPERTIES.