Product Description WONDERLEAD Rock wool board, based on selected basalt as main raw material quality, the day after melting, the use of advanced centrifuge system of four-roller cotton process, the basaltic rocks in high-temperature melt of cotton pulled into 4 ~ 7μm rejection of non-continuous fibers, and then rock wool fibers in a certain amount of binder, dust oil, water-repellent agent, after settlement, curing, cutting and other processes, according to the different uses made of different density products.Applications:
Petrochemical industry - oil, electricity, chemical industry equipment, acoustic noise insulation
Construction industry - building walls and roof curtain wall insulation envelope of the acoustic noise
Mining Industry - Industrial furnaces and ovens of large diameter storage tank insulation and fire prevention shipsSpecification

Density(kg/m3)	Width(mm)	Thickness(mm)	Length(m)	Packing
50-200kg/m3	400-1200	25-120	0.6-1.2	1. Normal standard PE. 2. Heat contraction sealed PE. 4. Accept OEM.

Item	Unit	Index	Standard
Density	kg/m3	50-200	GB/T 5480.3
Average diameter of fibers	μm	4-7
Hydrophobicity	%	≥99	GB5480
Thermal conductivity	W/m.k	0.030-0.044	Normal temperature
Incombustibility		A	GB5464
Sound absorption coefficient		1.03product reverberation method 24kg/m3 2000HZ	GBJ47-83
Reshrinking temp	°C	268-600	GB/T 11835-2007
Slag inclusion content	%	<12	GB11835-98
Water content	%	≤ 1	GB/T 16400-2003
Moisture rate	%	<5	GB/T 5480.7
Acidity coefficient	%	≥ 1.5	SIO2+AIO2 Cao+Mgo

Company Information

Wonderlead is a manufacturer and distributor of professional thermal Insulation-use supplies. Mainly products: glass wool,glass wool felt with aluminium foil, glass wool board and rock wool board/rock wool felt. Wonderlead is dedicated to providing a high quality, comprehensive Product selection to our customers. Our commitment to excellence is Achieved through diligent teamwork and continuous improvements in Customer satisfaction.
Rock Wool Process of Flowsheet	Rock wool Main raw material
	Raw Mterial : Slag, basalt, dolomite, limestone. Fuel: coke, natural gas, petroleum. Wonderlead have particular water-proof, Rock wool Hydrophobicity 100%.

Our Services

Technical Support---Experienced technical team, to provide advices about the best choice of ROCK WOOL and solution, to help you improve your current recipe, cost and processes.

Quality Assurance---Establish an accredited quality assurance system and state of the art production facility, to ensure product quality and safety; Also have QA protocols and traceability system, to keep each batch of products traceable.

Logistics---Professional logistic team to make us enable to deliver your goods exactly to agreed schedule and destinations.

Buyer reading Short weight.Just pay attention to the density, some suppiler will give lower density than orders. In this way suppiler can save big cost to get a competitive price,and meanwhile cause of buyers losses. must keep an eye on this point.WonderLead welcome and accept all Inspection organization(SGS,BV,etc.) to check product quality before shipment.

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