Guthrie MDF Sdn Bhd - malaysia kitchen cabinet, fibreboard furniture, medium density fibreboard, direct printed board, building materials

	High Moisture Resistance MDF
	High Moisture Resistance MDF are designed for interior applications involving exposure to high humidity situations such as joinery, flooring, windows, skirting and architectural mouldings. HMR boards are also an ideal substrate for laminating with natural wood veneer, vinyls, printed papers, foils and melamine papers.

Specification for Medium Density Fibreboard (High Moisture Resistant)

Mechanical Properties	Test Method	Unit	Range of Thickness
Mechanical Properties	Test Method	Unit	3 - 6	> 6 - 12	>12 - 19	> 19 - 25
Thickness Tolerence	BS 1142 (A.2)	mm	± 0.2	± 0.2	± 0.2	± 0.2
Saiz Tolerance	BS 1142 (A.2)	mm	± 2 mm/m in length and width
Squareness	BS 1142 (A.2)	mm	± 1.5 mm/m
Density	BS 1142 (A.4)	Kg/m3	780 - 800	750 - 780	720 - 760	680 - 720
Board Moisture	BS 1142 (A.5)	%	5 - 7	5 - 7	5 - 7	5 - 7
Modulus of Rapture	BS 1142 (A10)	N/mm2	35	30	30	28
Modulus of Elasticity	BS 1142 (A12)	N/mm2	2500	2500	2500	2000
Internal Bond (Dry)	BS 1142 (A.13)	N/mm2	0.70	0.65	0.60	0.60
Internal Bond (After V313 Wet Cyclic Test)	BS 1142 (A.14)	N/mm2	0.35	0.35	0.30	0.25
Screw Holding (Face)	BS 1142 (A.16)	N	N/A	N/A	1050	1000
Screw Holding (Edge)	BS 1142 (A.16)	N	N/A	N/A	850	700
Thickness Swelling (24 hour)	BS 1142 (A.7)	%	15	10	6	6
Thickness Swelling (After V313 Wet Cyclic Swell)	BS 1142 (A.14)	%	6	6	6	5
Surface Absorption	BS 1142 (A.18)	mm	150 (both side)
Dimensional Change (width/length)	BS 1142 (A.6)	%	0.4	0.4	0.4	0.35
Dimensional Change (thickness)	BS 1142 (A.6)	%	6	6	6	5

Note : The specification is subject to changes without prior notice.

B. Formaldehyde Emission

Properties	Test Method	Unit	Classification
Formaldehyde Emission (Perforator)	BS EN 120	mg/100g sample	E1 = Max 9 E2 = Max 30 E3 = Max 60

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