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Diatomite Insulating Brick

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1. Diatomite insulating brick characteristic:

Generally speaking, the volume density for insulation brick between 0.4-1.5 g/cm3, porosity is from 66% to 73%, compressive strength is 1.5-8.1 MPa and thermal conductivity rate is 0.291-0.582 W / (Mk) (350 °C ).
Insulation brick is used in high temperature insulation layer of furnace that has high refractoriness and good thermal shock resistance
2. Diatomite insulating brick Application:
Insulation Brick is used in high temperature insulation layer of furnace that has high refractoriness and good thermal shock resistance. It can reduce the radiation loss of the kiln, save energy and reduce the weight of the hot working equipment.

6.Specificaiton for Diatomite insulating bric:

Item

Testing temperature when reheated with 2% contracting rate °C

Bulk, density g/cm³

Compress strength MPA

Testing temperature when reheated with 2% contracting rate °C


A


Series

A1

900

≤0.50

≥0.5

≤0.13

A2

1000

≤0.50

≥0.5

≤0.14

A3

1100

≤0.50

≥0.5

≤0.15

A4

1200

≤0.55

≥0.8

≤0.16

A5

1300

≤0.60

≥0.8

≤0.17

A6

1400

≤0.70

≥1

≤0.20

A7

1500

≤0.75

≥1

≤0.22


B

Series

B1

900

≤0.70

≥2.5

≤0.17

B2

1000

≤0.70

≥2.5

≤0.18

B3

1100

≤0.75

≥2.5

≤0.20

B4

1200

≤0.80

≥2.5

≤0.22

B5

1300

≤0.80

≥2.5

≤0.23

B6

1400

≤0.90

≥3

≤0.27

B7

1500

≤1.00

≥3

≤0.31

C

Series

C1

1300

≤1.10

≥5

≤0.30

C2

1400

≤1.20

≥7

≤0.38

C3

900

≤1.25

≥10

≤0.45

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