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T rock wool board sound insulation thermal insulation non burning environmental protection insulation board material

High temperature resistance, high density, high pressure, heat preservation, heat insulation, sound insulation, environmental protection.

price:USD$11.50
discount 70% in 2018-10-19 to 2018-10-21
price: USD$ 8.05
freight :USD$18.00,(Express)
freight :USD$7.00,(Postal parcel)
Minimum Order Quantity:2
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First, the production process: (1) by basalt melting at high temperature.
Two, flame retardant effect: all grade A, because the material itself has no inorganic substances, so in a certain temperature range, rock wool is absolutely not burning, rock wool highest resistance to high temperature can reach 600 degrees. When the temperature is more than 600, there will be baking paste phenomenon, and then higher, it will melt.
Three, density: rock wool board density similar to foam board, there are many, and generally the density of three intervals, for different application range. 50-80kg, 80-120kg, 120-200kg (Note: the density of each phase difference of 10kg, from the surface hardness and tensile degree of view are similar, it is difficult to distinguish by hand
Four, pressure: because more density rock wool, therefore unable to determine the pressure, pressure mainly outside wall 140kg/160kg, the greater the playing lines bend, tensile compressive coefficient is high, the greater the degree, on the other hand, the smaller.