... Medium Density Fibreboard - Evergreen Group

Medium Density Fibreboard

An ideal alternative to solid wood and plywood, Medium Density Fibreboard is an engineered wood composite board that is rapidly replacing other materials in the wood-based product market. Its advantages include high strength, ease of processing, good weathering properties, and an ability to be made from a wide variety of fibrous materials. As an extremely versatile product, Evergreen MDF is suitable for numerous applications including furniture, speaker boxes, and doors.

Evergreen MDF Board | Evergreen HD 900 | Evergreen HMR Board

Physical & Mechanical Properties
Evergreen Medium Density Fibreboard
Properties Unit Range of Thickness (mm)
Thickness Tolerance (within panel) mm 2.5 - 4(+/-0.2) >4 - 6(+/-0.2) >6 - 12(+/-0.2) >12 - 19(+/-0.2) >19-30(+/-0.2)
Size Tolerance (within panel) mm +/-2 mm max in length and width
Squareness mm +/-2 mm
Density kg/m3 770 - 800 750 - 800 710 - 760 690 - 720 680-710
Density Profile @ Core % 85 85 80 80 75
Internal Bond N/mm2 0.65 0.65 0.6 0.55 0.5
Modules of Rupture N/mm2 30 25 22 20 18
Modules of Elasticity N/mm2 n/a 2700 2500 2200 2000
Surface Soundness N n/a n/a n/a 2400 2200
Screw Holding
-Face
-Edge

N
N

n/a
n/a

n/a
n/a

n/a
n/a

1000
800
900
600
Thickness Swelling (24hr) % 35 30 15 12 10
Water Absorption (24hr) % 60 50 30 25 20
Dimensional Stability (rh 35-85%)
-Length/Width
-Thickness

%
%

0.5
6

0.5
6

0.5
6

0.4
5
0.4
5
Evergreen MDF is a premium quality board which is suitable for a wide range of applications, especially furniture and mouldings.
MC = 6% +/- 2

 

 

Physical & Mechanical Properties
Evergreen HD 900
Properties Unit Range of Thickness (mm)
Thickness Tolerance (within panel) mm 2.5 - 6(+/-0.2) >6 - 12(+/-0.2)
Size Tolerance (within panel) mm +/-2 mm max in length and width
Squareness mm +/-2 mm
Density kg/m3 900+-20 900+-20
Density Profile @ Core % >95 95
Internal Bond N/mm2 >1.2 >1.2
Modules of Rupture N/mm2 >40 >40
Modules of Elasticity N/mm2 3200 3000
Surface Soundness N 3000 2800
Screw Holding
-Face
-Edge

N
N

n/a
n/a

n/a
n/a
Thickness Swelling (24hr) % 10-15 10
Water Absorption (24hr) % 35 35
Dimensional Stability
-Length/Width
-Thickness

%
%

0.4
6

0.4
6

Evergreen HD 900 is a high density MDF for high impact and strength purposes.
It is used in the most demanding conditions including floor panelling and PCB Back-up Boards.

 

Physical & Mechanical Properties
Evergreen HMR Board
Properties Unit Range of Thickness (mm)
Thickness Tolerance
(within panel)
mm 2.5 - 6(+/-0.2) >6 - 12(+/-0.2) >12 - 19(+/-0.2) >19 - 25(+/-0.2)
Size Tolerance
(within panel)
mm +/-2 mm max in length and width
Squareness mm +/-2 mm
Density kg/m3 800 710-750 690-720 690-710
Density Profile @ Core % 90 85 85 80
Internal Bond N/mm2 0.7 0.65 0.6 0.6
Modules of Rupture N/mm2 30 28 26 24
Modules of Elasticity N/mm2 2800 2800 2500 2500
Surface Soundness N 2600 2400 2400 2200
Screw Holding
-Face
-Edge

N
N

n/a
n/a

n/a
n/a

1050
850

950
650
Thickness Swelling (24hr) % 8-12 6-10 3-6 3-6
Water Absorption (24hr) % 40 25 20 15
Dimensional Stability
-Length/Width
-Thickness

%
%

0.4
6

0.4
6

0.35
5

0.35
5
Evergreen HMR board is designed for water resistance. Its melamine resin resists water
and is suitable for high moisture applications in bathrooms, kitchens, floorings, doors,
window frames, where dimensional stability is also an important factor.
MC = 6% +/-2