ALEXANDRIA CO. FOR REFRACTORIES ACR ﺎﻳﺮﺤﻠﻟ ﺔﻳﺪﻨﻜﺳﻹ ﺔﻛﺮﺷ  ﺔﻴﻧﺪﻌﻤﻟ ﺎﻋﺎﻨﺼﻟ
Technical Data of Lightweight Castables

Brand Name

Chimical Composition ( wt% ):-

- Silica  ( SiO2 )

- Alumina ( Al2O3 )

- Iron  ( Fe2O3 )

- Lime  ( CaO )

Phiysical Propertise:

- Max. service temp, ( °C)

- Grain size, * (mm)

- Water required, (%)

- Bulk density aftr drying at 110 °C, (g/cm3)

-Modulus of Rupture, (kg/cm2)

- after drying at 110 °C

- after firing at 800 °C

- after firing at 1100°C

-Cold Crushing Strength,(kg/cm2)

- after drying at 110 °C

- after firing at 800 °C

- after firing at 1100 °C

-Thermal Conductivity Coef-,( W/m.K)

- at 400 °C

- at 700 °C

- at 1000 °C

linear Change, (%)

- at 110 °C

- at 800 °C

ACR-Ins.

Cast-22

40.0 - 42.0

38.0 - 40.0

2 - 3

12 - 14

1250

0 - 4

38 - 42

1.0 ± 0.1

25

15

25

> 70

> 40

> 60

0.26

0.29

0.33

 Nil

-0.5 _ -1.0

ACR-Ins.

Cast-25

28.0 - 30.0

50.0 - 52.0

2 - 3

12 - 14

1350

0 - 4

38 - 42

1.0 ± 0.1

25

15

25

> 70

> 40

> 60

0.35

0.38

0.40

 Nil

-0.5 _ -1.0

ACR-Fire-Proof

40

39.0 - 44.0

35.0 - 40.0

5 - 6

10 - 12

1200

0 - 6

20 - 30

1.0 - 1.4

30

15

25

> 120

> 60

> 100

0.26

0.25

0.35

 Nil

-0.5 _ -1.0

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Developer : Mohamed Said Ramadan © Alexandria Company for Refractories 2017