Vermiculite Boards | VIREboard
Our VIREboard vermiculite boards have a density of 375–700 kg/m³ and a maximum application temperature of 1.150 °C. They are often used in wood-burning stoves and boilers and are ideally suited for high temperature loads.
- 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
-
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
High mechanical strength – ideal for combustion chamber linings
Insulation capacity for doors, covers, and other combustion components
Temperature resistance up to 1,100 °C, even with thermal shocks
Resistant to direct contact with aluminum, as well as in environments with CO, CH4, or fluorides
Low thermal conductivity and high electrical resistance
Possible applications & custom manufacturing
Possible applications & custom manufacturing
Our vermiculite boards are used not only in furnace construction, but also in the metal, steel, and aluminum industries. Thanks to their versatility, they are suitable for both private fire protection and demanding industrial processes.
A particular advantage is that the boards can be processed into various shapes and sizes – exactly according to customer requirements and specifications. This means you receive tailor-made solutions for your applications, from wood-burning stoves and chimneys to industrial plants.
👉 Do you require special dimensions or custom-made products? Contact us – we will advise you personally and manufacture the right vermiculite boards for your project.
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
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
-
K. Hoffmann GmbH
For over 40 years, we have been manufacturing high-temperature-resistant boards, pressed, and milled molded parts from Vermiculite.
Due to its special properties, vermiculite is particularly suitable as a lightweight insulation material and is characterized by its temperature resistance up to 1100 °C.
If you are also looking for a sustainable insulation material without health concerns, then contact us.
