Skamol Group V-1100 475 Vermiculite Insulating Slab

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Skamol Group V-1100 475 Vermiculite Insulating Slab
Categories:	Ceramic; Oxide; Silicon Oxide
Material Notes:	SKAMOL V-1100 & VIP-12 vermiculite slabs have the following characteristics: Max. service temperature: Up to 1150°C (2102°F) Hot-face applications or back-up insulation of all refractory constructions Excellent insulating value High mechanical strength Good thermal shock resistance Can be used in furnaces with reducing atmospheres due to their high resistance to carbon monoxide and hydrocarbons Several grades available in various combinations of bulk density, insulation properties and compressive strength A variety of uses in high-temperature kilns and furnaces, combustion plants, boilers as well as in hearth and heating appliances High-density grade VIP-12 has a good resistance to cryolite and fluorides, which makes it particularly suitable for uses within the primary aluminum industry. Information provided by Skamol.
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Physical Properties	Original Value	Comments

Bulk Density	29.6 lb/ft³	Dry
Loss On Ignition	7.0 % @Temperature 1025 °C
Porosity	81 %	Total

Mechanical Properties	Original Value	Comments
Modulus of Rupture	0.000800 GPa	EN 993-6: 1995
Compressive Strength	2.50 MPa	EN 1094-5: 1995

Thermal Properties	Original Value	Comments
CTE, linear	11.0 µm/m-°C @Temperature 20.0 - 750 °C	BS 1902: section 5.3: 1990
Specific Heat Capacity	0.940 J/g-°C
Thermal Conductivity	0.140 W/m-K @Temperature 200 °C	Mean temp.; ASTM C-182
	0.160 W/m-K @Temperature 400 °C	ASTM C-182
	0.190 W/m-K @Temperature 600 °C	ASTM C-182
Maximum Service Temperature, Air	1100 °C
Shrinkage	1.0 % @Temperature 1000 °C, Time 43200 sec	Linear Reheat Shrinkage; EN 1094-6: 1999
	1.0 % @Temperature 1100 °C, Time 43200 sec	Linear Reheat Shrinkage; EN 1094-6: 1999

Component Elements Properties	Original Value	Comments
Al2O3	7.0 %
CaO	2.0 %
Fe2O3	4.0 %
K2O	11 %
MgO	21 %
Na2O	0.50 %
SiO2	47 %
TiO2	0.50 %

Descriptive Properties
Color	Light Brown
Pyrometric Cone Equivalent	1300°C	ASTM C24-89, ORTON cones
Resistance to Thermal Shock	Min 10 cycles	EN 993-11: 1998, heating to 950°C (1742°F)

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