Shanghai Xinmao Fine Ceramics Technology Co., Ltd.
Main products:Alumina ceramic,zirconia ceramic,silicon nitride ceramic,ceramic nozzle,ceramic ball,ceramic ceramic substrate,ceramic lamp holder&lamp socket,ceramic tube,ceramic ball,ceramic ring,textile ceramic,ceramic bearing ball
Products
Contact Us
  • Contact Person : Mr. Pan Haixin
  • Company Name : Shanghai Xinmao Fine Ceramics Technology Co., Ltd.
  • Tel : 86-21-52175318
  • Fax : 86-21-52176991
  • Address : Shanghai,Shanghai,No.5, lane 780, Jianhe Road, Changning District, Shanghai China
  • Country/Region : China
  • Zip : 200336

Alumina ceramic tubes (fuse,insulating pipe,Ignition Electrodes, Ceramic Igniter )

Alumina ceramic tubes (fuse,insulating pipe,Ignition Electrodes, Ceramic Igniter )
Product Detailed
Ceramic tube High temperature resistance, chemical attack resistance, high dielectric strength , thermal shock resistance, wear

Ceramic tube is widely used in the industries of high temperature endurable parts, electric insulators,fire resistance materials

Ceramic tube is of good chemical resistance,hardness,high temperature resistance,insulation,and widely used in the industries of machine parts,high-temperature endurable parts,electric or electric equipment insulators,fire-resistance materials.

 

Idex

Unit

95% alumina

99% alumina

steatite ware

composition

AL2O3

AL2O3≥95%

AL2O3≥99%

MgO SiO2

density

g/cm3

3.6

3.9

2.8

water absorption

%

0

0

0

firing temperature

°C

1,680

1,700

1,350

hardness

HV

1,500

1,700

800

flexural strength(4pt)

kgf/cm2

3,000

3,500

900

composition strength

kgf/cm2

25,000

30,000

4,000

maximum use temperature

°C

1,450

1,500

1,100

thermal expansion 0-1000°C

/°C

8.0*10-6

8.0*10-6

6.0*10-6

thermal shock resistance

T(°C)

220

200

200

dielectric strength

KV/mm

18

18

10

dielectric constant(100Mhz)

(E)

9.5

10

5.8

dielectric tangent

(tg s)

0.4*10-3

0.4*10-3

0.4*10-3

Surface finish:     a) Normal polish Ra 0.9-1.0μm     b) Fine polish Ra 0.4-0.6μm .    c) Diamond polish Ra 0.2μm  

Tolerance: DIN ISO 2768-1 and DIN 40680 m

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