... ,2-4mm,20-150 mesh for build,agriculture,fireproof R0303 Golden vermiculite flakes for construction/agriculture/Fireproof Feature Products ... used in heat preservation material for buildings, household congealer, sound- proofing plaster, inner material for safe and cellar.2. 20- ... golden brown and bronze-colored printing ink,filling material for anti fire dope ect. 2,Chemical compositions: ElementSiO2 ...