Custom Shaped Bricks
Clay Refractory Brick SeriesOur custom-shaped clay refractory brick service delivers precision engineered, non-standard and ultra-special geometries according to customer engineering drawings. Manufactured with advanced molding and firing processes to ensure tight joint matching, high structural integrity, and minimal thermal loss.
| Parameter | Specification |
|---|---|
| Material | Premium Clay / High Alumina Refractory |
| Max Service Temperature | 1400°C ~ 1500°C |
| Bulk Density | ≥ 2.1 ~ 2.3 g/cm³ |
| Cold Crushing Strength | ≥ 30 ~ 45 MPa |
| Al₂O₃ Content | 38% ~ 48% (Customizable) |
| Custom Support | Drawing-based Tooling, Rapid Prototyping |
Material Introduction
Clay brick is a refractory product with Al₂O₃ content of 30-48%, made using calcined clay clinker as aggregate and refractory plastic clay as binder. For intricate kiln zones—such as roof corners, burner surroundings, inspection ports, irregular flue passages, and heavy load arch supports—standard bricks cannot provide adequate sealing and structural stability.
Nuovi Refractory operates dedicated mold tooling and specialized pressing facilities, delivering one-stop custom solutions for special-shaped refractories. Each custom geometry is crafted to minimize joint gaps, eliminate thermal bridges, and prolong the overall campaign life of industrial furnaces.
Product Features
- Drawing-Based Custom Tooling: Supports complex geometries, interlocking tongues/grooves, angled facets, and curved contours.
- Tight Dimensional Tolerances: Strict shrinkage control during pressing and firing ensures precise fit-up and thin masonry joints.
- Excellent Thermal Shock Resistance: Formulated with high-grade clinker to withstand rapid thermal cycling without spalling or cracking.
- High Strength & Abrasion Resistance: Solid mechanical strength resists hot airflow scouring, particulate erosion, and structural loads.
- Agile Prototyping & Reliable Delivery: In-house mold fabrication enables fast sampling and consistent volume manufacturing.
Specifications
| Index | N-1 | N-2a | N-2b | N-3a | N-3b | N-4 | N-5 | N-6 |
|---|---|---|---|---|---|---|---|---|
| Refractoriness (℃) | ≥ 1750 | ≥ 1730 | ≥ 1730 | ≥ 1710 | ≥ 1710 | ≥ 1690 | ≥ 1670 | ≥ 1580 |
| Refractoriness Under Load 0.2MPa T₀.₆ (℃) | ≥ 1400 | ≥ 1350 | - | ≥ 1320 | - | ≥ 1300 | - | - |
| Reheat Linear Change 1400℃×2h (%) | +0.1~-0.4 | +0.1~-0.5 | +0.2~-0.5 | - | - | - | - | - |
| Reheat Linear Change 1350℃×2h (%) | - | - | - | +0.2~-0.5 | +0.2~-0.5 | +0.2~-0.5 | +0.2~-0.5 | - |
| Apparent Porosity (%) | ≤ 22 | ≤ 24 | ≤ 26 | ≤ 24 | ≤ 26 | ≤ 24 | ≤ 26 | ≤ 28 |
| Cold Crushing Strength (MPa) | ≥ 30 | ≥ 25 | ≥ 20 | ≥ 20 | ≥ 15 | ≥ 20 | ≥ 15 | ≥ 15 |
