Rock wool heated board is mainly made of cinder and its natural ore. This product is applicable to insulation and sound insulation of commercial installation, construction and shipping.

Alumina silicate is used in filling, laying furnace body, pipe etc..

Size and limit deviation :

Physical performance index of plating pipe:

Density kg/m3				Coefficient of heat conductivity (average temperature )at temp(70+5)	Organic substance content%	Incombustibility	Maximum application temperature
Density	Limit deviation tolerance%
	Top quality	First quality	Qualified products
80	10	15	20	0.04	4.0	Grade A	400
100 120				0.046			600
150				0.048

Technical performance index of aluminium silicate

Product kind	Density kg/m3	Coefficient of heat conductivity (average temperature 500+20)W/m.k	Cinder content %	Shrinkage ratio of heater wire %
No.1a2a	96	¡Ü0.161	18.0	4
	128	¡Ü0.156
	192	¡Ü0.153
No.3a4b	96	¡Ü0.161	15.0	4
	128	¡Ü0.156
	192	¡Ü0.153