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Class A Heat resistance & Heat Insulation brick
Time£º2015/4/22 15:06:09¡¡Hits£º2780´Î
 

 

Class A Vermiculite Heat insulation & Heat resistance irregular block

   

Product Introduction

Class A vermiculite heat resistance & insulation brick belongs to light weight inorganic mineral material, has excellent heat resistance & insulation property. It can reduce the heat loss through furnace wall, accelerate the furnace heating speed, decrease the heating time and save the fuel cost.

Characteristic

£¨£±£©   High heat insulation property

£¨£²£©   High heat resistance property

£¨£³£©   Light weight, easy to process & operation

£¨£´£©   Drug tolerance, anti-corrosion

£¨£µ£©   Thermal shock resistance

£¨£¶£©   Little shrinkage and stable dimension in repeat heating, for making of expanded vermiculite with high temperature firing

£¨£·£©   Excellent processing ability

Application

£¨£±£©   A1~A3 products can be applied directly to hot side of low temperature ovens, drying ovens etc.

£¨£²£©   A1~A3 products can be applied at the back side of refractory material in various high temperature industrial furnaces. It best fit for combined use with high temperature refractory insulation brick

£¨£³£©   Backup insulation material for industrial stoves

£¨£´£©   Widely used as heat insulation board for furnace, kilns, pizza ovens, hot compression furnace, heating induction furnace etc

Dimension

*Standard Size: L230*W114*T45mm; Density 400~1200 kg/m3

£ªExcept standard size, we can offer OEM for customer requirement, but it will produce model charge, pls kindly understand.

Physical Index

Model Number

A1

A2

A3

Grade:

V1000-400

V1100-500

V1100-600

Item

 

 

 

Max. Service Temperature:£¨¡æ£©

1000

1100

1100

Bulk Density:kg/m3

400

500

600

Cold Crushing Strength:¡¾EN 1094-5:1995¡¿MPa

1.5

2.5

3.5

Hot Crushing Strength:£¨MPa£©@750¡æ

1.0

2.0

2.5

Modulus of Rupture:¡¾EN 993-6:1995¡¿(MPa)

0.5

0.8

1.6

Apparent Porosity: (%)

80

75

70

Linear Reheat Shrinkage:¡¾EN 1094-6:1999¡¿£¨%£©24H@900¡æ

¡Ü1

¡Ü1

¡Ü0.6

Thermal Expansion:¡¾BS 1902: section 5.3:1990¡¿(K-1)@ 20 to 800¡æ

10.8x10-6

10.8x10-6

10.8x10-6

 

hermal Conductivity¡¾W/(mK)¡¿

@200¡æ

0.094

0.127

0.129

@400¡æ

0.122

0.144

0.148

@600¡æ

0.145

0.173

0.176

@800¡æ

0.153

0.178

0.181

 

Chemical Analysis

SiO2

41.2

Al2O3

12.68

Fe2O3

4.06

TiO2

1.33

MgO

24.22

CaO

0.96

8.97

K2O

Na2O

0.60

 

Loss on Ignition  (%)

6.5

Dimension

* Max Length=1200mm¡¢Max Width=1000mm¡¢Min Thickness=10mm¡¢Max Thickness=100mm¡¢Density=400¡«1200kg/m3

£ªCan design into various shapes according to customer requirements.

£ªKindly understand that irregular board will cost a model charge.

¡ùCan be machined into different shape and cut into different size according to customer requirements¡£

¡ùNote: Above test results are average results of tests conducted under standard procedures and subject to variation. Results should not be used for specification purposes.

 

Contact

Sales office:TEL+86-755-2318-7516          FAX +86-755-2698-8156-202

Email¡¡

pang@vermiculite.com.cn                   hana@vermiculite.com.cn

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