Polyurethane sandwich board is a high-end product in metal building materials nowadays. The reason why it is high-end is that polyurethane sandwich board integrates load-bearing, heat preservation, fire prevention and waterproofing. It is non-toxic, tasteless and does not need secondary decoration. It can be said that the polyurethane sandwich board is the "all-round player" in the composite plate. Polyurethane sandwich board can have so many functions, in fact, most of the credit is due to its core material, and the quality of polyurethane sandwich board core depends on the quality of raw materials. Next, I will introduce to you the brand of polyurethane sandwich panel core material.
The core material of polyurethane sandwich board is foamed with black and white materials. The four major giants of polyurethane black and white materials in the world are Bayer, Basf, Dow and Hengsman in Germany. Hengsman is widely used and recognized as the raw material of polyurethane sandwich board. The quality of black and white materials depends on the formula of major companies. Friends who have used the polyurethane sandwich board made from Huntsman as raw material should know that this kind of polyurethane sandwich board is very stable, less affected by temperature, and has very good thermal insulation and fire protection effect. It is much higher than the polyurethane sandwich board made from other brand materials. This is the advantage of good brand materials. More importantly, high-quality raw materials will adjust the formulation of black and white materials according to the different seasons. Take Huntsman as an example, the ratio of raw materials will be adjusted four times a year in order to adapt to seasonal economy and ensure that the produced polyurethane sandwich board is more stable and of better quality.
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