Vermiculite bagged goods
Vermiculite is a naturally occurring mineral that is used both as raw vermiculite in various grain sizes and as a further processed material.
- Grain sizes
- Superfine 1 mm | Fine 2 mm | Medium 4 mm | Large > 8 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
Vermiculite is a naturally occurring mineral that is used both as raw vermiculite in various grain sizes and as a further processed material. Our vermiculite bagged goods are available in four grain sizes. For the production of panels and molded parts, exfoliated vermiculite is mixed with special binders, if necessary with other additives (e.g. ash, lime), and pressed into panels or molded parts and then dried.
Benefits
- Technically excellent
- Cost-oriented solution
- Light
- Nontoxic
- Fiber free
- Odorless
- Acid resistant
- Refractory
TECHNICAL DETAILS
PROPERTIES
Physical properties pH value ca. 7,5 Sintering temperature (°C) 1260 Melting point (°C) 1315 Thermal conductivity 0,07 W/mK (DIN 4108) Bulk density 80 -125 g/Ltr (DIN 1060) CHEMICAL ANALYSIS
SiO2: 35,00 – 41,00 % Al2O3: 6,00 -9,50 % Fe2O3 6,00 – 9,50 % MgO 21,50 – 25,50 % CaO 2,00 – 6,00 % K2O 3,00 – 6,00 % TiO2 0,60 – 1,40 % Product variations
Plates | VIREboard 
Paper | VIREpaper 
Pressed parts 
CNC milled parts -
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!
