SWISS KRONO MDF - raw
An All-Rounder for Interiors
Made mainly from debarked pine and spruce wood, SWISS KRONO MDF excels with consistently high-quality fibre and a light colour. Owing to its fine fibre structure, this classic material is ideally suited for working and shaping.
A Harmonised System
On the Services page, you can download a large number of system modules for building new houses and modernising and renovating existing ones with SWISS KRONO products. Click here to go straight to the download section
SWISS KRONO MDF raw – the User-Friendly Classic
The production of SWISS KRONO MDF (medium-density fibreboard) synthesis of a natural raw material and innovative technology. We produce our versatile SWISS KRONO MDF boards in our plant in Heiligengrabe, Germany. They have a bulk density of about 680 to 810 kg/cu.m and boast high bending strength and strong internal bonds.
The raw material we use to make our MDF boards is high-quality coniferous wood from debarked pine and spruce logs; mainly fresh thinnings from sustainably managed forests are used. First the wood is refined into fibre, then mixed with a binder and finally gently pressed. The result is an engineered wood product with a homogeneous structure both longitudinally and laterally: eco-friendly boards that are easy to work and use and are suitable for a vast range of furniture and interior applications.
SWISS KRONO MDF – raw is available in thicknesses from 12 to 30 mm and complies with the CARB (California Air Resources Board) Phase 2 standard on formaldehyde emissions.
Positive Environmental Footprints
In addition to their multifunctional properties, SWISS KRONO MDF products also actively help to protect the climate. Each cubic metre of SWISS KRONO MDF stores about 1000 kg of CO2 and keeps it bound up until the end of the product’s useful life.
All SWISS KRONO MDF boards are energy-conserving products, because they store more energy than it takes to produce them. In addition, these engineered wood products have been classified as having a negative “Global Warming Potential” (GWP).
- Homogeneous structure
- No knots or cracks, no grain direction
- Good mechanical strength and workability
- Smooth, uniform surfaces as a result of pressing and finely distributed fibre
- Wide range of uses
- Classic material for furniture and interior uses, also for shops and trade fair stands
- Ideal for painting, lacquering, coating, veneering, laminating and thermofoiling
- Excellently suited for drilling, milling etc.
|Nominal board thicknesses [mm]||
|Max. deviation in board thickness||EN 324-1||mm||± 0.2||± 0.3|
|Dimensional tolerance (length/width)||EN 324-1||mm||± 2.0 mm/m, ± 5.0 max.|
|Squareness||EN 324-1||mm/m||≤ 2.0|
|Edge straightness||EN 324-1||mm/m||≤ 1.5|
|Thickness swelling after 24-hour soak||EN 317||%||15||12||10||8|
|Internal bond||EN 319||N/mm²||0.6||0.55||0.55||0.5|
|Bending strength||EN 310||N/mm²||22||20||18||17|
|Bending modulus of elasticity||EN 310||N/mm²||2500||2200||2100||1900|
|Surface soundness||EN 311||N/mm²||≥ 1|
|Formaldehyde content 1)||EN 120||mg/100g||E1|
|Moisture content 2)||EN 322||%||6 ± 2|
|Surface absorption||EN 382-1||mm||150 mm|
|Sand content||ISO 3340||%||≤ 0.05|
|Reaction to fire performance class||EN 13501||Class||D-s2, d0|
|Bulk density||EN 323||kg/m³||680 - 810|
|Standard grinding||K 150|
|Water vapour permeability value||EN 13986 Table 9||Mean bulk density: 600 kg/m³||μ moist 12 | μ dry 20|
|Mean bulk density: 800 kg/m³||μ moist 20 | μ dry 30|
|Thermal conductivity||EN 13986 Table 11||Mean bulk density: 600 kg/m³||0.10 W/(m*K)|
|Mean bulk density: 800 kg/m³||0.14 W/(m*K)|
|Sound absorption||EN 13986 Table 10||Frequency range: 250-500 Hz||0.10|
|Frequency range: 1000-2000 Hz||0.20|
1) Perforator value acc. to DIN EN 120. Acc. to the annex to Art. 1, Section 3 of the German directive on banned chemicals, in connection with guideline 100 of the Deutsches Institut für Bautechnik, unfinished fibreboard may not exceed a perforator value of 8 mb HCHO/100 g of dry weight at a moisture content of 6.5%. The gliding half-year average may not exceed 7.0 mg HCHO/100 g of dry weight. 2) Upon delivery
|Format [mm]||Thickness [mm]|
||Pieces per pallet|
2800 x 2070 *
4100 x 2070 *
5600 x 2070 *
* On request
Versatile and Easy to Work
The edges of our MDF boards are smooth and solid and can be shaped or carved without the need for special edging, then painted, lacquered, coated, laminated, veneered or thermofoiled.
General Information on Use of All SWISS KRONO MDF Product
Transport and Handling
- Protect edges to prevent damage.
- These products are for interior use and must therefore be protected from moisture and the weather.
- Do not store outdoors.
- To prevent rising moisture, stack on top of wooden sleepers.
- Acclimate boards before by storing them for about three days beforehand uncovered under the climatic conditions prevailing at the installation site.
- Install only when dry.
Sawing, Milling and Drilling
SWISS KRONO MDF can be sanded, sawn, milled and drilled just like solid wood and using all of the same tools.
- To prevent splitting, it is advisable to predrill holes before using screws. It is standard practice for the holes to be 80% of the screw shaft diameter.
- Do not attach screws to the plate surfaces closer than 20 mm from the edge.
- When attaching screws to the edges, maintain a distance of at least 70 mm from the corners and space them at least 30 mm apart.
- All commercially available wood glues can be used with SWISS KRONO MDF.
- Because the surface layer is denser, it is enough to apply between 80 and 120 g of glue per square meter.
Sanding and Smoothing
- SWISS KRONO MDF comes sanded to a fineness of 150 grit.
- To meet very high quality requirements, eg for coating and painting, the boards should be sanded before and /or after treatment, depending on the application.
Painting, Coating, Waxing and Lamination
- Applying a coating or suitable will minimise the risk that exposure to light will alter the colours, provided that appropriate UV blockers are added.
- Sanded surfaces can be coated just like ordinary wood (with paint, oil, wax etc.).)
- All commercially available paints, coatings and waxes that are suitable for MDF may be used.
- Greatly thinned paint or coating, a low solids content and/or insufficient application can detract from the results.
- Before coating, make sure that the surface is absolutely free of oil, grease, silicone and dust.
- It is strongly advised to carry out a test before proceeding.
- Optimal results are achieved by brushing with strokes at right angles to one another.
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