BPAL M

Range
Sintered
Subtitle

Sintered high-alumina 93%

Description

High alumina content sintered material. Very good glass contact properties with the low glass defect potential.
Available in complex and large shapes.

Chemical and physical properties

Microstructure

Image
BPAL M microstructure

Typical chemical composition

 
 

Typical crystallographic analysis

Main phase:

  • corundum

Physical characteristics

Description International standards British standards
Refractoriness under load of 2 105 Pa,
at 0.5%
1,670°C 3,038°F
Cold crushing strength 190Mpa 27,557psi
Linear thermal expansion 8.1 10-6K-1 4.5 10-6°F-1
Apparent porosity 14% 14%
Typical bulk density 3.1g/cm3 194pcf

Expansion curve

Expansion curve sintered BPAL M

Thermal conductivity

Thermal conductivity curve sintered BPAL M

Electrical resistivity

Electrical resistivity curve sintered BPAL M

Typical application

BPAL M is mainly used in forehearth as glass contact channel blocks to reduce glass defects such as cat scratches and stones.

Good corrosion resistance and low porosity associated with good thermal shock resistance.

Related products

Fused cast

JARGAL® M RN

Regular cast, electrofused 95% alumina (alpha-beta alumina)

Excellent glass contact properties with extremely low defect potential.
High resistant to alkali vapor and creep for superstructure application.

Fused cast

JARGAL® M RT

Void-free, electrofused 95% alumina (alpha-beta alumina)

Excellent glass contact properties with extremely low defect potential.
High resistant to alkali vapor and creep for superstructure application.
Void-free structure enabling longer lifetime.

Monolithics

ERPAL MORTAR

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Alumina mortar ensuring flatness between ERPAL CAST and BPAL sintered alumina

Monolithics

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ERGAL® 05 CEMENT

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Alumina cement to seal and joint Alumina surfaces.

Monolithics

ERGAL® SL CAST

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Self levelling high-purity alumina concrete safety sublayer with excellent glass contact properties.

Fused cast

ER 1681® RN

Regular cast, electrofused AZS (alumina-zirconia-silica) with 32% zirconia

Good castability AZS enabling complex and varied shapes and sizes

Expendables

ZA33

Bonded AZS with 10% zirconia

ZA33 is adapted for most of the standard feeder expendable applications.