Rock wool board manufacturers divide rock wool board into horizontal fiber and vertical fiber rock wool board according to production methods, and the biggest difference between these two materials lies in the physical distribution of fibers. Today, we will popularize the difference between horizontal fiber and vertical fiber fireproof rock wool board.First of all, the main difference between horizontal fiber and vertical fiber lies in the different production processes.
Horizontal fiber fireproof rock wool board is produced according to the production process of sedimentation method. The rock wool fibers produced by the sedimentation method are planar, and the density and the uniformity of binder are poor, which affect the compressive properties and interlaminar bonding strength of the plate. Vertical fiber fireproof rock wool board is a rock wool insulation board produced according to the rock wool production process of pendulum method or three-dimensional method. The compressive strength and interlayer bonding strength of vertical fiber fireproof rock wool board produced by pendulum method have been greatly improved.
The properties of horizontal and vertical fibers produced by rock wool insulation board manufacturers are mainly reflected in tensile strength, compressive strength, thermal conductivity and so on.The tensile strength of vertical fiber fireproof rock wool board is 1-2 times higher than that of horizontal fiber fireproof rock wool board, and their compressive strength is similar. The thermal conductivity of vertical fiber fireproof rock wool board is slightly lower than that of horizontal fiber fireproof rock wool board. In addition, the vertical fiber fireproof rock wool board overcomes the disadvantage of low tensile strength of horizontal fiber fireproof rock wool board, and can meet the use of external wall insulation system to a great extent.
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