In this article, Woodbase will show you full information about How to distinguish good and bad wood shaving?



Chipboard is usually composed of: 80% wood shavings s, about 10% adhesive glue (the most commonly used glue is Urea Formaldehyde (UF), and about 10% water. decrease if in the production process some other ingredients such as paraffin, hardener, melamine, etc.

These additional ingredients will increase the quality of the board. For example, gypsum, and cement is added to increase fire resistance. Or melamine increases the ability to resist water and mold. People put melamine into UF glue. This mixture is called MUF glue.

How to distinguish good and bad wood shaving
How to distinguish good and bad wood shaving?

Raw materials used to produce wood cores are wood shavings s, sawdust, shavings, shavings of rubber tree wood, eucalyptus wood, pine wood, acacia wood, etc. In addition, people also use a straw, bagasse, flax, and hemp to add to the wood shavings s. These are plants that also contain lignin, and cellulose – solid substances, insoluble in water.

Classification of wood shavings 

Chipboard is usually divided into 2 types: normal wood core and -resistant. The wood core is usually a standard manufactured type that usually uses wood shavings s and specialized adhesives and is then pressed. As for the moisture-resistant type of wood, people will add substances such as melamine, cement, or gypsum moisture-proof agents to increase adhesion, strength, and limit swelling.

The common way to distinguish normal wood and moisture-resistant wood is based on color. The wood core is usually a light yellow color of the wood. The moisture-resistant wood core is green Below is an illustration to make it easier for you to understand.

The moisture-resistant wood core can withstand humid environments such as bathrooms because the interior has an anti-water absorption component. The wood core is often easily damaged when in a humid environment and exposed to a lot of water.

How to distinguish good and bad wood shaving? 

About color

The wood core includes 2 types of colors. The wood core is usually a wood color: yellow, brown, light yellow, light brown, etc. The moisture-proof wooden column has a green color mixed with the wood color.

The surface part has a pattern color depending on the surface layer. If the surface layer is covered with veneer, it usually has a natural wood color and grain.

How to distinguish good and bad wood shaving?

About density of how to distinguish good and bad wood shaving?

Chipboard usually has a density ranging from 650 – 750kg/m3

Size of chipboard

Board sizes are usually 1220mm x 2440mm and 1830mm x 2440mm.

Common chipboard thicknesses are 17mm, 18mm, and 25mm.


How to distinguish good and bad wood shaving? It’s can expand when placed in water or an environment with high humidity. The expansion direction of the board depends on the way the board is pressed. For example, flat plywood will stretch vertically.

The shrinkage rate of the chipboard is quite small. In an environment with an air humidity of 90%, the maximum expansion rate is 2%. In an environment with a humidity of 50%, the maximum expansion rate is 1%.

Read more: How long does it take for wood shavings to decompose?

Wood shavings  production process

How to distinguish good and bad wood shaving? In essence, wood shavings s are made from wood particles that are bonded with a glue solution and compressed. Below is the process of making wood shavings s.

In the past, wood shavings were often used to make use of excess wood in the production process. However, with the high demand for wood shavings, people have used intact trees to make wood shavings s.

Step 1: Cut the wood or wood shavings s into the required size particles.

For the wood that is still intact, people will peel the bark, then divide it into pieces. The wood is then chopped into small pieces. The waste of wood (wood shavings, sawdust, chips, …) is also chopped into particles according to the specified size.

Step 2: Dry

After being chopped, the chips are dried to reduce the moisture content to about 2.5%. The moisture limits of the core and the surface of the shavings may vary. Therefore, when drying, people will have slightly different drying temperature adjustments in these two parts.

Two types of dryers are rotary dryers and quick dryers. After drying, people will use a sieve to sort the shavings according to the same size.

Step 3: Glue

Next, people will mix the shavings with specialized adhesives. At this stage, people will add some ingredients such as anti-mold, increase hardness, and resist fire to create moisture-resistant wood. For the types of wood that do not add additives, it will form a common type of wood.

Step 4: Create a shape

The mixture of wood shavings and adhesives, after being mixed, will be shaped into the desired thickness.

Step 5: Squeeze

In the next step, the shaped wood will be preliminarily pressed and cut into the prescribed size. After that, people will bring these boards to hot pressing at high temperatures.

Step 6: Surface treatment

After the hot pressing step, the wooden plank is formed. After the temperature of the plywood cools down, the surface will be treated to make it flat and smooth.

Step 7: Cover the surface

The final step is to cover the surface of the wood core to form complete chipboards for furniture production. Depending on the needs of use, people cover them with veneer, melamine, laminate, etc. So, read this far, do you know How to distinguish good and bad wood shaving?

About Woodbase

If you are the first to find wood shavings/wood or don’t know How to distinguish good and bad wood shaving, perhaps Woodbse will be one of the perfect saviors you are looking for.

Woodbase has been a solid player in the wood industry market for many years. Here we supply more than 30000 tons per month so that you can be assured of our source. In addition, we not only focus on low prices but also on environmentally safe. We are committed to giving you the best shopping experience.

Link of product: Wood chips Manufacturer and Supplier in Vietnam – Woodbase®

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