MDF

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The largest MDF/HDF plant in South East Asia. Latex Free MDF can be perfectly cut and edge-profiled.

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MDF

SIZE

Thickness (mm)
2.5-38
Size (ft)
4 x 8 (Net & Free-trim available)

 

1. Application

Medium-density fibreboard (MDF) is an engineered wood product made by breaking down hardwood or softwood residuals into woodfibres, often in a defibrator, combining it with wax and a resin binder, and forming panels by applying high temperature and pressure.

It is specially manufactured for furniture and joinery industries.

It is dense, flat, stiff, has no knots and is easily machined. Because it is made up of fine particles it does not have an easily recognisable surface grain. MDF can be painted to produce a smooth quality surface. Because MDF has no grain it can be cut, drilled, machined and filed without damaging the surface. MDF may be dowelled together and traditional woodwork joints may even be cut. MDF may be glued together with PVA wood glue. Oil, water-based paints and varnishes may be used on MDF. Veneers and laminates may also be used to finish MDF

We also manufacture low emission product (E1, E0, CARB P1, P2). Its formaldehyde content of standard grade MDF can vary according to the nature of the urea formaldehyde used as a binding agent.

 

 

2. Manufacturing process

 

 

3. Specification

May Forestry Production lines are designed to produce MDF boards of E0, E1, E2, CARB P1, P2 standards.

<Physical & Mechanical Properties of Fibreboard>

 

 

Board
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

>30.0 – 40.0

Average density

EN
323

kg/㎥

870

840

820

790

770

750

720

Board moisture

EN
322

%

5.0 - 8.0

 

Internal Bond(IB-dry)
Average

EN
319

N/㎟

0.65

0.65

0.65

0.60

0.55

0.55

0.50

Modulus of rupture
(MOR)

EN
310

N/㎟

23

23

23

22

20

18

17

Modulus of Elasticity
(MOE)

EN
310

N/㎟

NA

2700

2700

2500

2200

2200

1900

Hệ số gia nhiệt

 

s/mm

9

9

9.1

9.2

9.6

11.3

14.5

Thickness swelling
(24hr)

EN
317

%
Max

36

30

17

15

12

10

8

 

<UF Glue>

Liquid urea formaldehyde E1is suitable for MDF production on continuous press equipment and has similar properties to urea formaldehyde glueDyneaprefere 11F300.

 

Properties

Unit

Standard

Solid contents (DIN EN 827):

%

66-68

Concenstration change (absolute):

% max

±1

Treatment temperature:

Min oC

20

Viscosity 20oC (DIN 53015, ISO 12058)

mPas/s

450±150

pH at 20oC (DIN 16916-02-E):

 

8,5-10,0

Metanolcontent informaldehyde

% max

1,0

Fsreeformaldehyde content

% max

0,1

Activity

 

 

+ Adjustable setting time at 100oC:

+ Standard setting time at 100oC:

s

s

50-100

40-80

Adhesiveness           

 

Poor

Miscibility (DIN ISO 8989

1/min

10

 


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