Ceramic fibers and fiber products
Aluminosilicate ceramic fibers and polycrystalline ceramic
fibers and fiber products including loose cotton, blankets,
boards, felts, ropes, paper and ect.
Physical properties and chemical composition
of polycrystalline mullite fibrous products
|
Type |
Classi
fication
/Graded
tempera
-ture
/℃
|
Max
application
temperature
/℃
|
Volume
density
/kg·m-3
|
Reheating
linear
change
1500℃
×6hr /%
|
Chemical
compo
sition
/%
|
Coeffi
cient
ofthermal
conduc
tivity
/W·（m·K
|
Cryst
alline
phase
|
Melting
point/℃
|
Specific
heat
Kj(kg.k)
|
|
PMF-1600
Specificat
ion (mm）
|
1600
200×100(30-80
|
1500
|
80-120
|
＜1.4
|
Al2O3
(72%-75%)
Al2O3+SiO2
(＞99%
|
1000℃-0.226
1200℃-0.295
1300℃-0.338
1400℃-0.387
|
Mullite
phase
|
1840
|
1024
|
Physical properties and chemical composition of
alumino-silicate(ceramic)refractory fiber blankets
|
|
STD |
H |
HP |
HA |
ZH |
ZA |
|
Color |
White |
White |
White |
White |
White |
White |
|
Classification
Temperature /℃ |
1000 |
1260 |
1260 |
1350 |
1400 |
1400 |
|
Max application
temperature/℃ |
800 |
1000 |
1100 |
1200 |
1280 |
1350 |
|
Volume density
/kg·m-3±15% |
96-128 |
96-128 |
96-128 |
110-128 |
110-128 |
110-128 |
|
Reheating linear
shrinkage
/% |
800℃
×24h≤4 |
1000℃
×24h≤4 |
1100℃
×24h≤4 |
1200℃
×24h≤4 |
1280℃
×24h≤4 |
1350℃
×24h≤4 |
|
TC (500±25℃)/W·(m·K) |
0.153 |
0.18 |
0.19 |
0.20 |
0.20 |
0.22 |
|
Chemical composition /% |
|
Al2O3 |
≥40 |
≥45 |
≥47 |
≥53 |
≥48 |
≥40 |
|
Al2O3+SiO2+ZrO2 |
≥95 |
≥96 |
≥99 |
≥99 |
≥99 |
≥99 |
|
ZrO2 |
|
|
|
|
5-8 |
≥15 |
|
Fe2O3 |
≤1.5 |
≤1.2 |
≤0.30 |
≤0.20 |
≤0.20 |
≤0.20 |
|
K2O+Na2O |
≤2.0 |
≤0.50 |
≤0.25 |
≤0.20 |
≤0.30 |
≤0.2 |
|
Standard size /mm |
(3200-12000)×(1220-610)×(10-60) |
