Origin |
China |
Properties:
1. High heat stability, high chemical stability
2. Resistance to heat shocks
3. Low thermal conductivity and high absorption for sound
Usages:
1. Lining material for heating equipment as kiln and boiler etc
2. Sealing material for furnace budging part and other high temperature sealing
3. Heat block elements for civilian use electrical appliance
Specification:
|
Item
|
Al2O3 (%)
|
Al2O3+Sio2
|
Bulk density
(Kg/m3)
|
Thermal conductivity
(W/m. k)
|
Thermal shrinkage for 6 hours (%)
|
Working
Temp. (âÂÂÂÂ)
|
Max.
working temp. (âÂÂÂÂ)
|
Regular size
(mm)
|
|
NDCF1
|
45-47
|
97-98.5
|
160.192
224.240
|
1050(âÂÂÂÂ)0.18
|
1150(âÂÂÂÂ) ï¼ÂÂ4
|
1000
|
1250
|
600×400×10-50
Or
900×600×10-50
|
|
NDCF2
|
47-49
|
98-99
|
1150(âÂÂÂÂ)0.18
|
1250(âÂÂÂÂ) ï¼ÂÂ4
|
1100
|
1260
|
|
NDCF3
|
53-55
|
98.5-99
|
1200(âÂÂÂÂ)0.18
|
1350(âÂÂÂÂ) ï¼ÂÂ4
|
1200
|
1350
|
|
NDCF4
|
38-54
|
83-89
|
1300(âÂÂÂÂ)0.18
|
1400(âÂÂÂÂ) ï¼ÂÂ4
|
1350
|
1450
|
|