Refractory Ceramic Fiber Vacuum Formed Shapes

• Temperature Grade: 1260c-1430c-1700c-1800c-1900c
• Density: 250-700 Kg/M3
• Delivery Time: Usually for Regular Order Within 14 Days
• Original: China Mailand
• Transport Package: First by PP Bags, Then by Cartons
• Specification: ISO9001
• Trademark: NR
• Origin: China
• HS Code: 68061010
• Production Capacity: 20000 Tons/Year

Product Description

North Refractories is one of the leading manufacturers of insulating shapes formed from high temperature ceramic fibers.  These vacuum formed components are designed to meet specific application requirements in a wide range of industries especially for the metal casting industry.  By varying the formulation and manufacturing process, shape properties can be optimized to provide thermal insulation, transfer molten metals,  provide an airtight seal or filter high temperature gases.

Ceramic Fiber Shapes Characters
Low heat storage -  Wide bulk density, 250-400kg/m3  -Variety grades, the shapes can be classified by temperature to be 1100ºC-1430ºC Low thermal conductivity and shrinkage  -  Excellent resistance against chemical attack Easy to machined, cut and install



*** Non Standard sizes are available on your requests   

Type		Common	Standard	High aluminum	Zir-Alu	Ultra-High1600	Ultra-High1700	Ultra-High1800
Classification temperature (°C)		1100	1260	1350	1430	1600	1700	1800
Working temperature (°C)		≤1000	1050	1200	1350	1500	1600	1700
Color		White	Pure White	Pure White	Pure White	Pure White	Pure White	Pure White
Density (kg/m3)		250 ~	250 ~	250 ~	250 ~	300 ~	350 ~	350 ~
		~400	~400	~400	~400	~400	~600	~600
Shrinkage on heating (%) ( 24Hrs x 300kg/m 3 )		-2.5	-2	-1.5	-1.5	-2	-1	-0.6
		(1000°C)	(1000°C)	(1200°C)	(1350°C)	(1500°C X8 Hrs)	(1600°C X8 Hrs)	(1700°C X8 Hrs)
Thermal conductivity of various temperatures(w/m.k) (density 280kg/m3)	400° C	0.08	0.07	0.065	0.06	0.11	0.12	0.16
	600° C	0.14	0.13	0.125	0.12	0.14	0.15	0.20
	800° C	0.2	0.18	0.017	0.16	0.17	0.19	0.23
	1000° C			0.22	0.2	0.24	0.25	0.29
	1200° C					0.28	0.28	0.33
	1400° C					0.33	0.34	0.36
Chemical composition	AL2O3	45-47	45-47	52-55	39-54	>60	>65	>80
	AL2O3+SIO2	98	98	99	83-89	>97	>97	98
	AL2O3+SIO2+ZrO2	-	-	-	99	-	-	-
	ZrO2	-	-	-	15-17	-	-	-
Dimensions (mm)		Standard dimension: 900*600*5-50; 1200*600*25-50;Other specifications can be available.