Cal-sil-board for resident house

　　　　　The range 300-450kgs/m³ 0f 1000 centi—degree Calcium Silicate Insulation Board has been developed to provide outstanding service in demanding fire—proof application such as industrial chimney and flue part contact fire directly．It also can bear load and support diiferent from refractory backup insulation．Uses include fire—rated enclosures around structural steel,tanks,equipment,fire—rated walls and fire—proof doors．Double sanded surface finishing give a precise specification．Test report made in European authorized lab are available．

CHEMICAL ANALYSIS：

SiO₂………………… 48--55%

CaO ………………　30--40%

Al₂O₃ ………………1.1--1.3%

MgO………………… 0.5--0.9%

Fe₂O₃ …………… 0.25-0.36%

Na₂-K₂O ……………　0.16--0.24%

TiO₂…………………0.01-0.02%

Lgnition loss(mainly H₂O)……… 8—10%

TECHNICAL DATA:

ITEM	Unit	YONGDA BRAND
ITEM	Unit	HCS-30	HCS-35	HCS-40
Bulk density	kg/m3	300 ±10%	350 ±10%	400 ±10%
Flexural Strength	Mpa	≥0.70	≥0.80	≥0.90
Cmpressive Strength	Mpa	≥1.4	≥1.6	≥1.8
Thermal Cond.	W/m.k	≤0.08 +0.00011t	≤0.10 +0.00011t	≤0.12 +0.00011t
Service Temp.Limit	℃	1000	1000	1000
Linear Shrinkage	%	≤2 (1000,16hrs)	≤2 (1000,16hrs)	≤2 (1000,16hrs)

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