The unique characteristics of rock wool sandwich panel make it play an obvious role in fire prevention, heat insulation, sound insulation, etc., and play a wide range of roles in the construction industry. So how to distinguish the advantages and disadvantages of rock wool sandwich board? The following is a brief introduction.
From the appearance, the first thing to see is whether the color of rock wool sandwich board is uniform, whether the separation of white and yellow is serious. The next step is to check whether the glue is caking; the slag content is to see whether there is a large amount of fly ash. Cotton core material is good, the color is yellow, evenly distributed, strong adhesion, no large amount of fly ash, it is usually flat, no damage or stains, will not hinder the construction.
The results show that the ignition characteristics of rock wool sandwich panel are not easy to ignite, the water absorption rate is 3.9%, the folding temperature of thermal load is 643 ℃, and the content of organic matter is 2.9%. Considering its net weight, its density is generally 80-135kg / m. According to the cost and different requirements, 80 kg rock wool board is usually used, but more than 100 kg rock wool board has strong moisture resistance and fire resistance. The key of color steel sandwich panel is the partial replacement of core material. Only by ensuring its high quality can its quality be guaranteed.
On the identification of the advantages and disadvantages of rock wool sandwich board for you to share a simple here, thank you for your patience reading, if you need more related products, you can come to our company for consultation.