Skamol Group Exfoliated/Loose Vermiculite

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Skamol Group Exfoliated/Loose Vermiculite
Categories:	Ceramic; Oxide; Silicon Oxide
Material Notes:	SKAMOL exfoliated vermiculite has the following characteristics: Max. service temperature: Up to 1200°C (2192°F) Good thermal insulating properties Low density Low heat capacity Absorbing and free-flowing Non-combustible Insoluble in water and organic solvents Highly suitable as loose-fill insulation in e.g. cavities, castables, and plastic materials and as fire protection in chipboards Used in steelworks and foundries for hot topping molten steel Due to absorbing and free-flowing properties also an excellent absorbent for spillage of oil, grease, chemicals and other liquids for environmental safety. Information provided by Skamol.
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Physical Properties	Original Value	Comments

Specific Gravity	2.60 g/cc	crude vermiculite
Bulk Density	3.75 - 8.00 lb/ft³	As Produced
Loss On Ignition	9.0 % @Temperature 1025 °C
pH	7.0	Owing to the presence of carbonates the reactions normally slightly alkaline.

Thermal Properties	Original Value	Comments
Specific Heat Capacity	1.03 J/g-°C
Thermal Conductivity	0.0690 W/m-K	at ambient temperature
Melting Point	1330 °C	approx.
Maximum Service Temperature, Air	1000 °C

Processing Properties	Original Value	Comments
Sintering Temperature	1260 °C	approximate

Component Elements Properties	Original Value	Comments
Al2O3	9.0 %
CaO	2.0 %
Fe2O3	6.0 %
K2O	5.0 %
MgO	27 %
Na2O	1.0 %
SiO2	40 %
TiO2	1.0 %

Descriptive Properties
Cation Exchange Properties	600 milliequivalents	The exchangeable cation normally present in magnesium. per 100 grams.
Chemical resistance	inert, rot-proof, insoluble in water and organic solvents
Color	Light Brown

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