The Design Expert

SWISS KRONO MDF moulding is ideally suited for making three-dimensional decorative elements for furniture and interiors. This wood-based material permits extremely intricate milling work, a fact that makes it a perfect design expert for 3D furniture fronts as well as ceiling and wall ornamentation. Even better, these MDF boards are an excellent substitute for solid wood.

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

Finest Deep-Drawn Quality

The outstanding deep-drawn quality of SWISS KRONO MDF – moulding is based on high compaction and a fine fibre structure. It is particularly well-suited for making 3D ornamentation for furniture fronts or wall panels.

Product Advantages

• Finely separated fibres
  
• Homogeneous bulk density profile
  
• Excellent deep-drawn quality
  
• Suitable for intricate carving and a wide range of finishings
  
• A high-quality, economic alternative to solid wood
  

Applications

• Decorative relief work for furniture fronts, tabletops, doors and ceiling and wall panels
• Suitable for all living areas
  

Nominal board thicknesses [mm]			>9 to 12	>12 to 19	>19 to 30	>30 to 40
Properties	Test standard	Unit
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	≥ 1.0
Bending strength	EN 310	N/mm²	40
Bending modulus of elasticity	EN 310	N/mm²	3500
Surface soundness	EN 311	N/mm²	≥ 2.0
Formaldehyde content 1)	EN 120	mg/100g	E1
Moisture content 2)	EN 322	%	6 ± 2
Sand content	ISO 3340	%	≤ 0.05
Reaction to fire performance class	EN 13501	Class	D-s2, d0
Bulk density	EN 323	kg/m³	≥ 770		≥ 740
Standard grinding			K 180
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/m	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/m	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

Acc. to customer specifications, Acc. to customer specifications, thicknesses from 6 to 19mm are possible

Homogeneous Bulk Density for Perfect Shaping

The exceptionally fine fibre gives the boards an extremely homogeneous bulk density profile, making them highly suitable for shaping. Even when deeply carved, the surface remains stable and smooth and can be easily lacquered, painted or coated.

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.

Screws

• 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.

Gluing

• 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.