Vermiculite Boards | VIREboard
Our VIREboard vermiculite boards with a density of 375-700 kg/m³ and a maximum application temperature of 1100 °C are often used in stoves and boilers.
- Density
- 375 kg/m³ | 475 kg/m³ | 600 kg/m³ | 700 kg/m³
- Strength
- 10mm | 15mm | 20mm | 25mm | 30mm | 35mm | 40mm | 45mm | 50mm | 55mm | 60mm | 65mm | 70mm | 75mm | 80mm | 90mm | 100mm | 105mm
- Dimension
- 1000 x 610 mm | 1000 x 750 mm | 1260 x 1000 mm | 2440 x 1220 mm
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Cost-oriented
Technically excellent and cost-oriented solution.
Nontoxic
Light, non-toxic, fiber-free, odorless and acid-resistant.
Refractory
Depending on the product variation, application temperatures up to 1100 ° C.
CHARACTERISTICS
Our VIREboard vermiculite boards with a density of 375-700 kg/m³ and a maximum application temperature of 1100 °C are often used in stoves and boilers. Due to the good mechanical resilience, the boards are also suitable for linings of the combustion chamber, insulation of doors and lids.
Vermiculite boards are also used in the aluminum industry (also suitable for direct contact with aluminum) and the steel industry. Vermiculite boads can be processed into different shapes. This is done exactly according to customer requirements and specifications.
Benefits
- different densities depending on the application
- unclassified material
- Cost efficient
- Technically excellent
- Light
- Nontoxic
- Fiber free
- Odorless
- Acid resistant
- High temperature resistant
Product variations
Pressed parts 
CNC milled parts TECHNICAL DETAILS
PROPERTIES
Application Temperature 1100°C Melting point > 1300°C Panel thickness tolerance +/- 1mm Tolerance length/width +/- 2,5mm linear post-shrinkage Aprox. 1% Thermal expansion coefficient 11,0 x 10⁶ K¹ Loss on ignition 1025°C: 7% HS fare Nr. 6809.90.00 Colour Sand CHEMICAL ANALYSIS
SiO2 46,0% TiO2 0,7% Fe2O3 5,5% Al2O3 7,0% MgO 19,0% CaO 3,5% Na2O 0,2% K2O 10,0% Vermilite 375 Vermilite 475 Vermilite 600 Vermilite 700 Density 375 kg/m3 475 kg/m3 600 kg/m3 700 kg/m3 Cold compressive strength 1,3 N/mm2 2,5 N/mm2 4,2 N/mm2 4,5 N/mm2 Flexural strength 0,3 N/mm2 0,8 N/mm2 1,6 N/mm2 2,0 N/mm2 Overall porosity 85% 81% 76% 74% THERMAL CONDUCTIVITY
Temp. (W/m°K) (W/m°K) (W/m°K) (W/m°K) 200°C 0,12 0,14 0,16 0,19 400°C 0,15 0,17 0,18 0,20 600°C 0,16 0,19 0,20 0,21 800°C 0,19 0,20 0,22 0,22 -
Downloads
Data sheet Vermilite2000 Isolation products
Product properties, typical applications and availabilities.
Datasheet Vermilite2000 Isolation board RD375
Product properties, typical applications and availabilities.
Datasheet Vermilite2000 Isolation board RD475
Datasheet Vermilite2000 Isolation board RD600
Product properties, typical applications and availabilities.
Datasheet Vermilite2000 Isolation board RD700
Product properties, typical applications and availabilities.
Hoffmann product catalog
Refractory | Seals | Foundry supplies | Conveyor chains | Chesterton
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K. Hoffmann GmbH
Since 1986, K. Hoffmann GmbH has been at home as a production company in the high-temperature sector. Specializing in vermiculite as the main material, we offer board products and shaped parts as mass-produced and cost-oriented quality goods, as well as complex custom-made products for industrial and home use for thermal insulation and fire protection technology!
As part of the SENN Group, we have access to a broad network of specialized companies and their associated experience and products, enabling us to meet every requirement!
