Product Description
Flakes of raw vermiculite concentrate are micaceous in appearance and contain interlayer water in their structure.When the flakes are heated rapidly at a temperature above 870 ℃,the water flashes into steam,and the flakes expand into accordionlike particles.This process is called exfoliation, or expansion, and the resulting lightweight material is chemically inert, fire resistant, and odorless.
Size：0.7-2MM，1-3MM，3.5-7MM
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