Fireproof hydroponic rock wool board

Fireproof hydroponic rock wool board External thermal insulation rock wool board is specially designed for external thermal insulation composite system.It has the quality of high tensile strength, good dimensional stability, water repellent, low water absorption etc. We have three different products to meet customer's needs i.e. 

Product performance	Unit	LR140	LR160	LR180	Standard
Apparent Density	kg/m3	140	160	180	GB/T5480
Compression strength(10%defomation)	kPa	≥40	≥50	≥60	GB/T13480
Tensile strength (perpendicular to surface)	kPa	≥7.5	≥10	≥15	JG149-2003
Thermal conductivity(25℃)	w/(m•K)	≤0.040	≤0.040	≤0.040	GB/T10295
Fire resistant	--	Non-combustible grade A			GB/T8624
Water repellence	%	≥98	≥98	≥98	GB/T10299
Acid index	--	≥1.8	≥1.8	≥1.8	GB/T5480
Moisture absorption	%	≤1.0	≤1.0	≤1.0	GB/T5480
water Absorption(partial immersion 24h)	kg/m2	≤0.5	≤0.5	≤0.5	GB/T25975-2010
water Absorption(partial immersion 28d)	kg/m2	≤2.0	≤2.0	≤2.0	GB/T25975-2010
Noise Reduction Coefficient(NRC)	---	≥0.6	≥0.6	≥0.6	GB/T18696
Dimension Stability	%	≤1.0	≤1.0	≤1.0	GB/T8811
Thickness Tolerance	mm	±3	±3	±3	GB/T5480
Squareness	mm/m	≤5	≤5	≤5	GB/T5480
Flatness	mm	≤6	≤6	≤6	GB/T25975-2010
Melting Point	℃	>1000

 Advantages: 1. high compression resistance 2. moisture-proof 3. airtight 4. non-absorbent 5. corrosion resistance 6. low thermal conductivity 7. lightweight 8. Life time:60 years 9. environmentally friendly 1). What kind of rock wool is good rock wool?  Rock wool is made from  Basalt, iron slag, limestone. Normally, the rock wool which has high content of basalt is better.  2). Why the prices are very different?  Basalt need higher temperature to melt than other rocks. So if their composition are different, the manufacturing costs are also different.  3). How long is the service life of you rock wool?  We strictly control the acidity coeffecient of our rock wool, so that it has good chemical stability and fiber durability. Normally, our rock wool has a service life of more than 40 years.