high density insulating refractory fibreboard

Brand:aa

Product detail:

High density insulating refractory fibreboard

 

Introduction

 

High density insulating refractory fibreboard with the advantage of uniform quality , smoothly surface ,pure white color, the working temperature can be reached into 1000°C-1300°C,This product is hard and tough,with high strength and excellent high temperature performance and support force.

 

Application

 

metallurgy,mechanical, building materials, electronic, petrochemical and shipping industries.

Also for insulating of large and middle ladle and tundish

 

Features of refractory fiber board

1.low thermal conductivity

2.low heating shrinkage

3.high modulus of rupture

4.excellent chemical stability

 

 

 Certification of company

 1. The IS09001:2000 version International Quality System Certification

2. The ISO14001 Environmental Management System Certification

3. The GB 28001 Occupational Health and Safety Management System Certification

4. Henan Enterprises' Import and Export Rights Registration Certification

5. Qualification Certificate for Import and Export Enterprises of PRC

 

Physical and chemical indexes

Material		Common aluminum silicate	High alumina	Zirconia bearing alumina silicate	High strength
Brand		XWB-1	XWB-2	XWB-3	XWB-4
Service temperature /°C		1000	12000	1300	1000
Chemical composition	Al2O3+SiO2≥	95	98	~99(ZrO2)	95
	Fe2O3≤	1.2	0.2	0.2	1.5
Strength conpressed 20%		0.4	0.5	0.4	1.5
Modulus of rupture / Mpa, >		0.5	0.5	0.5
Volume density / Kg. m3		300~600	300~600	300~600	600~900
Thermal conductivity /W(m.k)-1, ≤		0.18 (1000°C)(hot face temperature 1000°C)	0.18 (1000°C)(hot face temperature 1000°C)	0.18 (1000°C)(hot face temperature 1000°C)	0.18 (800°C)(hot face temperature 800°C)
Heating shrinkage		4 (1000°C×6h)	4 (1200°C×6h)	4 (1300°C×6h)	4 (1100°C×6h)
Product size /%,mm		600×400×(10-50)   900×600×(10-50)	600×400×(10-50)  900×600×(10-50)	600×400×(10-50) 900×600×(10-50)	600×400×(10-50)
Application		Metallurgy,mechanical,building materials, electronic, petrochemical and shipping industries				Insulating of large and middle ladle and tundish

 

Products 

 

 

 

Company profile

 

 

 Our products with production capacity of 180000 tons and over 300 million sales volume  annually, used for steel-making electric furnace, steel ladle and tundish in metallurgic industry, have been exported to many countries including North America, Middle East, South Asia, Africa, etc.

 

 

Certificate

 

Hope to cooperate with you in the future. We are pleased to serve you at any time!