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         products

 

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 

temperature

/℃ 

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)

          

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