Vermiculite V3 Medium

Applications	Insulated lightweight concrete, horticultural applications, absorbent carrier, packaging, firebase embers, pipe and duct insulation, loose pour aggregate, slow release agent, perfumes, backfill for firebacks and boilers.
Chemical Properties	Vermiculite V3 is an aluminium iron silicate. Typical composition is: Silicon (SiO2) 37 - 40% Magnesium (MgO) 21 - 29% Aluminium (Al2O3) 6 - 10% Iron (Fe2O3) 4 - 8% Potassium (K2O) 3 - 6% Calcium (CaO) 1 - 4% Carbon (CO2) 1 - 2% Titanium (TiO2) 0.5 - 1% Floride (F) 0.1 - 0.75% Chromic Oxide (CrO3) 0.05 - 0.15% Phosphorus Pentoxide (P2O5) 0.01 - 0.90% pH* 7 - 10 Organic Matter Nil * pH 7-10, but owing to the presence of associated carbonate rock impurities the reaction is normally alkaline.
Physical Properties	Exfoliated Vermiculite V3 is golden brown granule in plate-like layers of a concertina appearance. Sintering Temperature 1200 -1260oC Melting Point 1330oC Specific Heat 1.08 Kj/kgK Thermal Condcuctivity at normal atmospheric temperature K = 0.062 - 0.065 w/mc
Grading Specifications	The bulk density is 70-90 kg/m3 at the bagging head. However, a 10-15% increase in density should be allowed for in normal storage, handling and transport. Grading Specification - % by weight passing 4.75 90 - 100 3.36 70 - 90 2.36 35 - 60 1.20 5 - 20
Packaging	Vermiculite V3 is normally supplied in plastic sacks containing 100 litres (approximately 3.5ft3). Alternative packaging is available to order.
Health and Safety	Exfoliated Vermiculite V3 is a heat-processed, inorganic material and since no chemical changes occur it is considered non-reportable. It is also fibre-free, conpletely non-irritant, an inert, incombustible, non-abrasive, rot-proof, odouless, clean to handle and without the slighest danger to face of hands. However, as with all fine materials, inhalation of dust should be avoided.