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home Wood Based Panels MDF Moisture Resistance

Wood Based Panels

MDF Moisture Resistance

Thickness (mm)
2.5-32.8
Size (mm)
2440 x 1220

Data Sheet

01. Application

Dongwha Moisture Resistance MDF is an ideal substrate for kitchen and bathroom cabinetry and any other areas where moisture and high humidity is present.

Its main characteristic produced from melamine resin system is an increased in dimensional stability or lower thickness swelling where there is the risk of occasional wetting or prolonged exposure to high levels of humidity. There is an option of having green dye added on to the board. This is upon request by customer.

02. Process

step.1- Crushing, step.2- Particles, step.3- Drying, step.4- Sorting, step.5- Coating, step.6- Molding, step.7- Pressing, step.8- Grinding, step.9- Cutting, step.10- Inspection, step.11- Shipment

03. Specification

<Physical & Mechanical Properties of Fibreboard>

detail view
Mechanical
Properties		 Test
Method		 Unit ≥ 2.5 -
4.0		 > 4.0 -
6.0		 > 6.0 -
9.0		 > 9.0 -
12.0		 > 12.0 -
19.0		 > 19.0 -
30.0
Thickness tolerance BS EN
324-1		 mm ±0.2
Size tolerance
(length & width)		 BS EN
324-1		 mm a) within 5mm (length) & within 2mm (width) for free trim panel
b) +2 mm (width) and + 5mm (length) for nett size panel
Squareness BS EN
324-2		 mm/m <1.5
Squareness
(diagonal)		 BS EN
324-2		 mm < 5
Average density BS EN
323		 kg/㎥ 800-860 780-840 760-800 720-760 700-740 650-690
Board moisture BS EN
322		 % 5-8
Modulus of Rupture BS EN
310		 N/㎟
Ave		 27 27 27 26 24 22
Modulus of elasticity
in bending		 BS EN
310		 N/㎟
Ave		 NA 2700 2700 2500 2400 2300
Internal bond (dry) BS EN
319		 N/㎟
Ave		 0.70 0.70 0.80 0.80 0.75 0.75
Screw holding Face BS EN
320		 N/㎟
Ave		 NA NA NA NA 1050 1000
Screw holding Edge BS EN
320		 N
Ave		 NA NA NA NA 850 700
Thickness swelling
(24hr)		 BS EN
317		 %
Max		 35 18 12 10 8 7

<Formaldehyde Emission of Fibreboard>

detail view
Properties Test Method /
Unit		 Classification MDF MDF
LF		 MDF
LG		 MDF
MR		 MFB
Desiccators Method JIS A 1460
mg/L		 F****
Ave ≤ 0.3 Max ≤0.4		          
F***(E0)
Ave ≤ 0.5 Max ≤0.7		 √ √ √ √ √
F**
Ave ≤1.5. Max ≤2.1		 √ √ √ √ √
CARB
(Small Chamber
Method)		 ASTM D 6007
ppm		 Phase 2 MDF Thin Board
< 8mm < 0.13		 √ √ √ √ √
Phase 2 MDF Thick Board
> 8.1mm < 0.11		 √ √ √ √ √

- NOTES :The perforator values in this table apply to panels with moisture contents of 6.5%