Company Information   Broad Group Co., Ltd. is specialized in producing rock wool insulation materials. we have our R&D centers and workshops located in Langfang city Hebei province. Now we totally have 3 producing lines for Rock wool with production capacity about 10,000 tons/month.    Our products have passed BRANZ , SGS , A1 and CE Certificate.   You can find our products glass wool, rock wool,rubber plastic, and aluminum foil in Europe, America, Africa, Russia, Australia, Japan and Southeast Asia etc 60 countries   Fireproof Rock Wool , rock wool insulation
Waterproof insulation materia        Waterproof insulation materia       Waterproof insulation materia         Product Description Fireproof Rock Wool , rock wool insulation 
Density: 60kg-200kg/m3 Length:1200mm/1000mm Width:600mm/630mm. Thickness:30mm-100mm                        rock wool heat insulation Fireproof Rock Wool , rock wool insulation 

thickness mm	density kg/m3
	60-75	80-95	100-115	120-130	140-160	170-190	200
30				R	R	R	R
40			R	R	R	R	R
50	R	R	R	R	R	R	R
60	R	R	R	R	R	R	R
80	R	R	R	R	R	R	R
100	R	R	R	R	R	R	R

  Customized  specs of rock wool can be  produced as requested. insulation rock wool          insulation rock wool       insulation rock wool        insulation rock wool Rock Wool Board           Rock Wool Board         Rock Wool Board         Rock Wool Board 
 Product Advantage Technical Parameters Rock wool insulation         Rock wool insulation         Rock wool insulation        Rock wool insulation

Item	Unit	Index	Experimental method
average value of fiber	um	4-7	GB5480.4
slag ball content(granule diameter)>0.25mm	%	≤6	GB5480.4
volume water absorption	%	≤2	GB/GB16401-1996
heat absorption	%	≤1.0	GB5480.7
moisture resistivity	%	≥98	B10299-88
shrinkage temperature of heat load		≥650	GB11835-1998
organic content	%	≤4%	GB11835-1998
compressive strength(10% compressibility)	KPA	≥40	GB/T13480-92
peeling strength	KPA	≥14	DIN52274
incombustibility		Grade A	GB5465
thermal conductivity(70)	W/MK	≤0.041	GB10294-88

    rock wool            water repellent rock wool         rock wool board
Application & Construction     Packaging & Delivery   Packing: in polythene plastic thermal-shrink bags.           rock wool insulation for fireplaces Delivery time: our powerful production capacity will ensure timely delivery time, normally 5-7 days is enough.              rock wool insulation for fireplaces     Know our staff and our order process       Our Services   Free sample, 24 hours available.  Welcome you visit us anytime!   "High Quality, Competitive Price, Considerate service" is our guidelines, Choosing us as your supplier, you will get more than you pay.    Excellent product quality    Re:Free sample can be arranged to you, then you can witness and test it by yourself. Competitive price    Re: Our price to you is favorable and competitive, Hope we can cooperate for long term business! Timely and professional reply to your inquiry    Re: Normally we will reply to you by email within 5-8 hours, considering the time difference, 24 hours is enough! Short delivery time    Re: Generally, our delivery time is within 7days.   Please kindly leave us a message for the rock wool you need, we will reply to you very soon.