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1. Appearance quality: The surface is flat, and there must be no scratches or stains that impede practical use.
2. Combustion performance: Combustion performance refers to all physical and chemical changes that occur when building materials are burned or in case of fire. This property is caused by the ignitability and flame spread of the surface of the material, heat, fuming, charring, weight loss, and toxicity. The production of the product is measured by characteristics. The product of the rock wool board has a combustion performance of zero. It can be said that the rock wool board is incombustible.
3. Heat load shrinkage temperature: The heat load shrinkage temperature is used to characterize the moisture and heat stability of the rock wool board. The wet rock wool board sample is immersed in gradually heated water. The rock wool board will reach 643 degrees when the temperature reaches 643 degrees. The shrinkage begins, so the load shrinkage temperature of the rock wool board is 643 degrees, which means that the rock wool board will be deformed when the outside temperature reaches 643 degrees.
4. Hygroscopicity: Hygroscopicity refers to the property of materials that absorb moisture in the air. The nature of the rock wool insulation board is related to the chemical composition and structure of the material. In addition to the chemical properties of the surface of the material, the inorganic non-metallic material is also related to the microstructure formed by the material. If the pores are porous, the moisture absorption capacity is relatively strong, and in addition to the diameter and structure of the capillary. . The same is true for organic polymer materials. The metal surface also has the property of adsorbing water molecules, which is related to the properties of the metal elements and the state of the surface structure. The moisture absorption of the rock wool board in the air is 3.9% moisture per square meter. This hygroscopicity can keep the room dry and prevent moisture.
5. Organic matter content: Organic matter mainly consists of oxygen, hydrogen and carbon. Organic matter is the material basis of life. Fat, amino acids, proteins, sugar, heme, chlorophyll, enzymes, hormones, etc. It can be said that as long as the product contains a certain amount of organic matter, the more organic matter content, the easier the product is to burn. The organic compound in the rock wool board product is 2.9%, the main organic matter is "cotton" and the organic matter is processed into asbestos. Will not burn.
6. The important content of rock wool board is that the density of rock wool board is kg/m3 100-250±15%, and the rock wool board in this density meets the product quality requirements.
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