Characteristics: Fireproof, heat and sound insulation, damp proof, moisture absorption, lightweight, mildew proof, environmental-friendly etc.
Vermiculite Board
Product Description
Characteristics: Fireproof, heat and sound insulation, damp proof, moisture absorption, lightweight, mildew proof, environmental-friendly etc.
Fields of application: Fireplace brick, electric heater, storage heater, furnace, stove, fireproof doors, ceiling, furniture, furnishing, platform for marine and vessel etc.
Detailed Product Description:
Process temperature: >1100degrees centigrade
Bending strength: 0.574 - 533MPa
Density: 300kg/M3 - 1100kg/M3
Compression strength: 0.690~4.90MPa
Thermal conductivity: Max. 0.20W/mK at 600 degrees centigrade
Max. 0.128W/mK at 34.51 degrees centigrade
The minimum thickness: 10mm
The maximum thickness: 80mm
The maximum width: 900mm
The maximum length: 2100mm
More Product Features
Standard: ISO9001:2000
Unit Price/Payment: T/T in advance or L/C at sight
Origin: china
Packing: wooden pallet
Min. Order: 1000pcs
Transportation: shipping
Raw materials
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China
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China
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China
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size of vermiculite
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mm
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0.7~1.4
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0.7~1.4
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0.7~1.4
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Tolerance
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Length
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mm
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<±1.5mm
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<±1.5mm
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<±1.5mm
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width
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<±1.5mm
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<±1.5mm
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<±1.5mm
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Thickness
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<±1.0mm
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<±1.0mm
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<±1.0mm
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Specification
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2100x900
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2440x1220
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Maximum service temperature
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℃
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1250
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1250
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1250
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Bulk density,dry
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KG/M3
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400
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610
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750
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Compressive strength(EN 1094-5:1995)
@room temperature |
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Mpa
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1.93
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2.9
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3.2
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Total porsoity (EN1094:1995)
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%
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71
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58.1
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57.7
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Pyrometric cone equivalent
(ASTM C24-89 ORTON cones) |
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℃
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1200
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1200
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1200
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Thermal conductivity (ASTM C-182)
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W/(mXk)
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0.08
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0.46
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0.49
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Chemical analysis typical
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silica
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SiO2
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37.98%
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37.98%
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37.98%
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Titanium dioxide
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TiO2
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1.23%
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1.23%
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1.23%
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Ferric oxide
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Fe2o3
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3.74%
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3.74%
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3.74%
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alumina
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Al2O3
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11.69%
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11.69%
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11.69%
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magnesium oxide
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MgO
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22.33%
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22.33%
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22.33%
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calcium oxide
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CaO
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0.89%
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0.89%
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0.89%
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sodium oxide
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Na2O
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1.48%
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1.48%
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1.48%
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potassium oxide
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K2O
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5.50%
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5.50%
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5.50%
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Loss on ignition 1025℃
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LOI
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8.00%
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8.00%
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8.00%
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