Product Category menu

Particle Board

Product Detail Information
PB

Economical products made of recycled wood or ruined(used) wood. Since installation of high-tech facilities in 1975, Dongwha products are used in many aspects of life; products are made via accumulated technology, high-quality management and updated selecting lines.



* Product characteristics
- Economical and environmentally-friendly products made of recycling
   wood.
- Uniform products made via updated selecting lines, advanced
   technology and high-quality management.
- Superiority of second surface processing through use
   of updated selecting lines and assembly or forming line.



* Product Specs.
- Size : 4'×8'(1,220㎜×2,440㎜) ※ Various sizes available by order.
- Thickness : 9.0㎜∼32㎜ ※ But 35mm for Access Floor only.



* Products Types

Types Water-Proofing Discharging
Formaldehyde
Features &
General Purpose
General PB
General
(type U)
General
(type E2)
This is a kind of standard product which is used for kitchen furniture, office furniture, home furniture, a case of electronic product, and floor for a container.
General E1
PB
General
(type U)
Low
(type E1)
This product greatly reduces the emission quantity of formaldehyde, and is used for schools, hospitals, laboratories, exhibition places, and libraries.
Water-Proof
PB
Excellent
(type M)
Low
(type E1)
A product made of melamine resin is emphasized on improving the moisture content, and usually used for door frames, window frames, wall, and ceiling.

* 35mm for Floor-use only
* Water-Proof PB is available in all sizes.

* Product characteristics

Items Units General PB Water
-Proof PB
Density ㎏/m³ 9∼15 15∼23 25∼35 15㎜
720 700 680 700
Bending Strength ㎏f/cm² > 184 > 184
Adhesive Strength ㎏f/cm² > 4 > 4
Screw-
Sustaining
Strength
Face ㎏f > 75 > 75
Edge ㎏f > 45 > 45
General Submersion
(25℃,24HR)
Thickness
expansion ratio
% < 12 < 6
Adhesive Strength ㎏f/cm² - -
M-type
Submersion
(70℃,2HR)
Thickness
expansion ratio
% - < 20
Adhesive Strength ㎏f/cm² - > 2
P-type
Submersion
(100℃,2HR)
Thickness
expansion ratio
% - < 40
Adhesive
Strength
㎏f/cm² - > 1.5
Discharging
HCHO
Desiccator ㎎/ℓ < 5 < 1.5
Hydrated Ratio % 5∼8
Thicknress Tolerance ±0.2