Bamboo OSB (BOSB) Panel Production Machine for India Market

Bamboo OSB boards Features

Bamboo oriented strand board (BOSB) is a high-strength artificial board mainly made of bamboo, which is formed through oriented laying and hot-pressing gluing.

- Excellet Physical & Mechanical Properties

- Application

◎ Building structural materials (walls, roofs, floor slabs)

◎ High-strength packaging boxes, container floor plates

◎ Furniture base material (replacing plywood or ordinary OSB)

- Environmentally friendly and sustainable

◎ The raw materials are renewable: Bamboo grows fast (takes 3 to 5 years to mature), much faster than wood (pine takes over 20 years).

◎ Low carbon emissions: Bamboo has a strong carbon sequestration capacity, and its production energy consumption is lower than that of traditional OSB.

◎ Low formaldehyde: MDI (formaldehyde-free adhesive) or E0 grade adhesive can be used, meeting green building material standards (such as FSC, CARB certification)

- Good processing adaptability

◎ Sawn, drilled and veneered: The surface flatness is superior to that of ordinary OSB, and it is suitable for covering with wood veneer, PVC or fireproof board.

◎ Strong nail-holding capacity: The bamboo fiber structure is tight, and the screw fixation is not easy to loosen.

Common secondary processing methods:

◎ Surface UV coating (enhanced weather resistance)

◎ Film coating (for decorative purposes)

◎ Flame retardant treatment (for fire protection requirements scenarios)

How to make Bamboo OSB boards?

We have know the features and advantages of Bamboo OSB. so now Do you know how to make Bamboo as materials to make OSB boards?

The processing of Bamboo into Oriented Strand Board (BOSB) requires multiple procedures such as raw material treatment, slicing, drying, gluing, oriented laying and hot pressing

1. Raw materials -Wood strands

- Selection of bamboo materials

Preferred bamboo species: Moso bamboo, Cibamboo, Dragon Bamboo, etc. (with long fibers and good mechanical properties).

Bamboo age requirement: 3-5 years old bamboo (with high fiber maturity, avoid young bamboo or old bamboo).

- Remove the green and remove the yellow:

The bamboo green (outer waxy layer) and bamboo yellow (inner hard film) need to be removed (affecting gluing), while the bamboo flesh (fibrous layer) should be retained.

- Special bamboo slicer

To adapt to the characteristics of bamboo fiber (harder and more brittle than wood), recommended equipment:

Drum slicer: Produces long bamboo wood shavings (30-80mm in length, 5-20mm in width, 0.3-0.7mm in thickness).

Disc slicer: Suitable for short wood shavings (the blade Angle needs to be adjusted to avoid fiber breakage)

2. Moisture Drying

○ Drying objective: Moisture content should be controlled at 2-4% (Bamboo fiber has a strong hygroscopicity and needs to be thoroughly dried).

○ Equipment selection:

Drum dryer (suitable for large quantities).

Air flow dryer (energy-saving, but prone to causing wood shavings to curl).

○ Temperature control: 80-100℃ (To prevent bamboo fiber from coking due to high temperature)

3. Cylindrical Screen

○ Surface wood shavings: slender (30-50mm in length, 0.3mm in thickness), ensuring a smooth surface.

○ Core layer wood shavings: Slightly coarser (50-80mm in length, 0.5-0.7mm in thickness), to enhance the internal bonding strength.

○ Screening: Remove debris and dust through a vibrating screen

4. Resin Applying

○ Adhesive selection:

MDI adhesive: Formaldehyde-free, suitable for high-end eco-friendly boards (high cost).

Phenolic resin (PF) : Strong water resistance (for outdoor-grade BOSB).

Melamine-modified urea-formaldehyde resin (MUF) : Balancing cost and performance.

○ Sizing amount:

Surface layer: 8-10% (accounting for the weight of dry wood shavings).

Core layer: 6-8%.

Uniformity of mixing: Use a high-speed ring-type glue mixer to ensure uniform coverage of the glue solution

5. Mat laying and forming 

○ Paving method:

Mechanical directional laying: Bamboo shavings are arranged along the length direction through grooved rollers (similar to wood OSB).

Air flow paving: Suitable for surface fine wood shavings (with better uniformity).

○ Structural design

It is usually a three-layer structure (upper and lower surface layers in the longitudinal direction + core layer in the transverse direction), enhancing strength in all directions

6. Multi-rollers Continuous Pre-press

Pre- pressing: Pressure 0.5-1.0MPa, time 10-20 minutes, initial shaping.

Slab density: Control the density of loose slabs at 300-400kg/m³ (to avoid poor exhaust during hot pressing)

7. Hot Pressing

○ Segmented pressurization

Initial high pressure (exhaust) → mid-term stable pressure (glue curing) → later reduced pressure (anti-rebound).

○ Anti-sticking board treatment: Spray mold release agent on hot-pressed plates (bamboo boards containing sugar and prone to sticking)

Hot press can be different opening and pressure as different OSB production capacity

8. Edge Cutting

Automatic Cut OSB to Be required standard size (such as 1220×2440mm) or other size

9. Sanding Line

One OSB production line usually equipped with 3 sets sanding machine, one for rough sanding panel surface, one for fine calibrating panel surface, one for polishing panel surface, to make OSB boards good quality

10. Heating Center

Heating center for offer heating energy to support OSB machine works, especially for the rotary drum dryer, hot press

with above machines, you can produce Bamboo OSB board. We can offer the full OSB production line as your size and capacity, it can be smaller such as per year 30000-40000m3, it also can be big production capacity such as per year 300000m3, even more

We as China famous wood based panel machinery brand, we can offer you suitable and good OSB equipment, Particle board machines, MDF HDF production line.

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Mark: +86 18769900191

Ali: +86 15805496117

Lucy: +86 18954906501

Email: osbmdfmachinery@gmail.com