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How to Choose High Quality XPS Foam Board?

Views: 246     Author: Site Editor     Publish Time: 2022-08-30      Origin: Site

XPS foam board, or extruded polystyrene foam board, is one of the common insulation boards. Extruded polystyrene boards are widely used in the construction industry. Because of their perfect closed-cell structure, XPS foam boards are outstanding in terms of insulation, water absorption, compressive strength, life expectancy and other performance.

xps foam board1 xps foam board2

However, there are many types of extruded foam boards in the market and countless manufacturers engaged in the R&D of extruded polystyrene boards, which makes it very difficult for buyers to choose. So in this article, we will talk about important factors to consider when selecting high-quality XPS foam boards.


Generally speaking, there are many kinds of colors of extruded foam boards on the market, such as black, white, and blue. But the color actually doesn't affect the quality of XPS foam board, as long as it does not turn grey, black or dark.

In addition, we can break the polystyrene foam board and smell the odour, high-quality XPS foam board is basically odourless after breaking, while poor quality one will be affected by raw materials and other additives, producing a pungent plastic smell.

Foam Cell

The main use of extruded polystyrene foam board is energy saving and heat preservation, which is mainly due to its continuous and uniform closed cell structure on the surface.

When you observe the board, you will find that there are many foam cells on it, which are for better concentration of heat, to absorb the heat from the air evenly and distribute it evenly. So the more uniform these foam cells are, the better the quality of the extruded board will be.

Compressive Strength

Since extruded foam boards are often used for floor heating insulation, basement maintenance, road base insulation, airport floor insulation, etc., the compressive strength should not be neglected. Usually, XPS foam board for floor heating requires a compressive strength of 200KPA or more. Therefore, when buying an extruded plastic board, you must make a clear inquiry from the foam board supplier, and then select according to your needs.

Besides, we can also use our fingers to press gently to test its compressive effect. Under normal circumstances, the press marks of high-quality extruded panels are basically invisible to the naked eye, but inferior extruded panels have obvious dents when pressed, so you need to be more careful when selecting.

Raw Material

High-quality XPS foam boards are made of polystyrene resin as the raw material, and it is important for buyers to note whether the product is made of this material when selecting it. Many people will tend to choose a lower-priced product, but that kind of extruded foam board is usually of poor quality and is likely to be made of used boards.

The extruded foam board made of polystyrene resin not only has uniform and dense foam cells and outstanding insulation effect, but also has a long life span of up to 50 years or more.

Feininger is a professional XPS foam board manufacturer. Our products adopt world-class production lines and are manufactured in strict accordance with the ISO system. Feininger XPS foam boards have superior thermal insulation, good moisture resistance and high compression resistance.

If you want to buy high-quality XPS foam boards, contact us now!

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Hello, I am Tina, the proud founder of a China leading company specializing in XPS Foam Board Production Lines. With a visionary approach, I established this venture to address the evolving needs of the insulation and construction industries.
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