KSL-80 High Alumina Plastic Refractory Castable

  • Brand: Xintai
  • Material Composition: High Alumina Plastic Refractory
  • Al₂O₃ Content: ≥ 80%
  • Bulk Density: ≥ 2.65 g/cm³ (110℃×24h)
  • Cold Crushing Strength: 70 MPa (110℃×24h)
  • Modulus of Rupture: 3.0 MPa (110℃×24h) / 5.0 MPa (1300℃×3h)
  • Plasticity Index: 12–35%
  • Heating Permanent Line Change: -1.0% ~ +0.5% (1500℃×3h)
  • Moisture Content: ≤ 10.0%
  • Standard Size: Customizable
  • Shipment Time: 15–30 working days

KSL-80 is a super-duty fused white corundum-based castable with nano-sized bonding agents and minimal impurities. This product is engineered for ultimate corrosion and erosion resistance in extreme environments such as glass tank regenerators and carbon black reactors.

Technical Specifications

PropertyValue
Al₂O₃ Content (%) ≥80
Bulk Density (g/cm³, 110℃×24h) ≥2.65
Cold Crushing Strength (MPa, 110℃×24h)70
Flexural Strength (MPa) 
└─ 110℃×24h3.0
└─ 1300℃×3h5.0
Heating Permanent Line Change (%)-1.0 ~ +0.5 (1500℃×3h)
Plasticity Index (%)12 ~ 35
Moisture Content (%) ≤10.0

Key Features

  • Exceptional purity and thermal shock stability

  • Ultra-low impurity content (Fe₂O₃ < 0.2%)

  • Suitable for direct contact with molten glass or metal

  • Extremely low linear change upon heating

Typical Applications

  • Glass furnace superstructure

  • Petrochemical riser linings

  • Titanium dioxide calciners

  • Hydrogenation reactors

Production Details

Made with fully sintered white fused alumina and reactive microsilica. Tailor-made for ultra-demanding conditions.

Packing and Shipping Details

  • Packaging Type: 25kg or 50kg per moisture-resistant kraft bag

  • Palletized Load: Wrapped in PE film for moisture protection

  • Container Loading: Available in 20ft or 40ft containers

  • Delivery Time: 15–30 working days after order confirmation

  • Storage: Keep in a dry place; shelf life up to 6 months

Frequently Asked Questions (FAQ)

Q1: Is it suitable for contact with molten metal?

Yes, it offers high resistance to molten aluminum and glass.

Very low—ideal for high-purity applications.

Gunning grade available upon request.

Standard version is vibratable; self-flowing mix can be provided.

Yes, especially in non-basic environments.

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      Please feel free to submit your inquiry using the form provided below, and we will provide you with a quote within 24 hours.