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What is the difference between rock wool purification board and rock wool composite board?

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What is the difference between rock wool purification board and rock wool composite board?

Date:2018-06-30 Author: Click:

The rock wool composite board fireproof insulation belt combines the existing polystyrene board exterior insulation system construction process characteristics, and the special improvement treatment of the ordinary rock wool characteristics on the surface through the mesh cloth and the slurry search material wrapping compound overcomes the low tensile strength of ordinary rock wool. It is easy to break and vulnerable to the collapse of the tide, ensuring that the fireproof insulation belt of the rock wool composite board and the polystyrene board and other insulation materials have similar performance, the same construction process and good combination, ensuring that the entire external thermal insulation system is not easy to crack, causing leakage and moisture insulation failure. Hidden dangers.

Compared with other materials (inorganic foam insulation board, vitrified microbead insulation board, etc.), the purified rock wool board can achieve the same thickness as the fireproof isolation belt and the same thickness of the polystyrene board outer insulation. The table below compares the technical parameters of several Class A non-combustible materials used in fire barriers.

Compared with the ordinary rock wool and rock wool composite board, the ordinary rock wool board has low peeling strength and is easily absorbed by the tide. The thermal insulation board made of ordinary rock wool is compressed by ordinary rock wool, although it has certain hydrophobic performance. However, it has been proved by practice that the material will gradually lose its hydrophobic properties over time. Moreover, the flatness of the surface of the rock wool is poor, and the peeling strength of the material itself is poor, which is easy to cause shedding. It is not well combined with the leveling anti-cracking mortar of the surface layer, and the phenomenon of large-area detachment of the surface layer has occurred. It directly leads to very serious consequences such as the failure of external insulation.

The rock wool composite board fireproof insulation belt can be produced and processed by the factory assembly line according to the design requirements, which is reliable in quality, reduces on-site wet operation, simplifies the construction process, is easy to operate, has no harm to the construction personnel, and has no pollution to the environment, and ordinary rock wool. It is cut and installed on site during the construction process; its exposed rock wool fiber is irritating to the skin and respiratory tract and has certain damage to the operator. The material breakage rate is also high.


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