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Alumina Castable 45% Al2O3 P-CAST-A45 — Pas Espadana Refractory packaging
Castables & Ramming Mixes

Alumina Castable 45% Al2O3 P-CAST-A45

Alumina Castable 45% Al2O3 P-CAST-A45 is a conventional castable based on chamotte with Min. 45% Al2O3, suitable for service temperatures up to 1400 °C. It has a hydraulic bond and is installed by casting with vibration.

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Product overview & application

About Alumina Castable 45% Al2O3 P-CAST-A45

Alumina Castable 45% Al2O3 P-CAST-A45 is a conventional castable based on chamotte with Min. 45% Al2O3, suitable for service temperatures up to 1400 °C. It has a hydraulic bond and is installed by casting with vibration. Material type according to the datasheet: Dense refractory concrete; raw material basis: chamotte.

Conventional castables contain more calcium aluminate cement. They are easy to install, but need more water and have a higher porosity after firing than low cement grades, so they are not intended for direct contact with molten metal.

Technical properties

  • Maximum service temperature: 1400 °C
  • Al2O3: Min. 45%
  • Bulk density: Approx. 2.1 g/cm³
  • Grain size: 0 – 5 mm
  • Cold crushing strength after drying at 110 °C: Min. 400 kg/cm²

Installation, packaging and storage

Installation: casting with vibration. Water addition, drying and initial heat-up should follow the manufacturer's instructions to achieve the best properties. Packaging: 40 kg bags (dry mix, water is added on site). Shelf life: 6 months (dry, cool, frost-free place).

The values in the specification table are taken from the product datasheet. Contact the Pas Espadana technical team to select the right grade for your operating conditions.

Applications

  • Linings of furnaces and thermal equipment up to 1400 °C
  • General refractory linings and repairs

Information needed for review

  • Service temperature and type of equipment
  • Installation method and lining thickness
  • Chemical and mechanical conditions (slag, alkalis, abrasion)
  • Required quantity and delivery time

Technical specifications

Technical specifications of Alumina Castable 45% Al2O3 P-CAST-A45
Maximum service temperature 1400°C
Bulk density Approx. 2.1g/cm³
Grain size 0 – 5mm
Cold crushing strength (110 °C) Min. 400kg/cm²
Al2O3 Min. 45%
CaO 8 – 9%
Installation Casting with vibration

Product datasheet & documents

P_CAST_A45_v01.pdf

PDF • 103 KB

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Selection based on your conditions

Contact our technical team to review grades, supply and to receive a valid document.

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FAQ about Alumina Castable 45% Al2O3 P-CAST-A45

What is the maximum service temperature of P-CAST-A45?

According to the datasheet, the maximum service temperature is 1400 °C. The permissible operating temperature for each project should be set with the technical team based on the process conditions.

How is P-CAST-A45 installed?

By casting with vibration. Water addition, mixing time and the drying and heat-up schedule should follow the manufacturer's instructions.

How is P-CAST-A45 packed and how long can it be stored?

Packaging: 40 kg bags (dry mix, water is added on site). Shelf life: 6 months (dry, cool, frost-free place).

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