Brown Fused Alumina Segmental Sand
Brown Fused Alumina Segmental Sand is a refractory-grade aggregate available in 0–1mm, 1–3mm, 3–5mm and 5–8mm sizes for castables, 砖和炉衬.
Refractory-grade Brown Fused Alumina Segmental Sand in 0–1mm, 1–3mm, 3–5mm and 5–8mm sizes for castables, 耐火砖, furnace linings and other high-temperature refractory systems.

PRODUCT OVERVIEW
Built for Refractory Formulations That Need Stable Aggregate Performance
Brown Fused Alumina Segmental Sand combines high hardness, 韧性, thermal stability and controlled particle size for industrial refractory production.
High Alumina
High Al₂O₃ content supports reliable refractory performance in demanding formulations.
High Toughness
稠密, hard grains provide mechanical strength and excellent wear resistance.
Controlled Sizes
Common refractory fractions plus customized particle-size ranges are available.
Batch Control
Chemical composition and size distribution can be checked according to order requirements.

PRODUCT DEFINITION
What Is Brown Fused Alumina Segmental Sand?
Brown Fused Alumina Segmental Sand refers to brown fused alumina particles classified within a defined particle-size interval, 例如 0–1mm, 1–3mm, 3–5mm or 5–8mm.
Unlike standard abrasive grits identified by FEPA F numbers, segmental sand is generally supplied by millimeter size ranges and is commonly used as refractory aggregate in castables, 耐火砖, 炉衬, ramming mixes and other high-temperature products.
- Defined millimeter particle-size ranges
- Designed for refractory aggregate applications
- Multiple fractions can be blended in one formulation
- Custom size distributions can be discussed
AVAILABLE SIZES
Brown Fused Alumina Segmental Sand Sizes
Choose a standard refractory fraction or send us your required particle-size distribution.
Custom requirement? Customized segmental sand sizes and blended particle-size distributions can be discussed according to your refractory formulation.

Fine Refractory Aggregate(0–1 mm)
For finer aggregate fractions, refractory castables and graded formulations requiring smaller particles.

General Refractory Aggregate(1–3 毫米)
A practical fraction for castables, monolithic refractories and selected furnace lining systems.

Coarse Refractory Aggregate(3–5 毫米)
For formulations requiring larger particles, structural stability and coarse aggregate content.

Large Refractory Aggregate(5–8 毫米)
Suitable for selected refractory bricks, furnace linings and heavy-duty refractory formulations.
AVAILABLE SIZES
Brown Fused Alumina Segmental
Sand Specifications
The following values reflect the current published refractory-grade specification.
Confirm final limits with the latest COA before ordering.
| 财产 | Specification |
|---|---|
| 铝2O₃ | ≥ 95.0% |
| 铁氧体 | ≤ 0.30% |
| 二氧化硅 | ≤ 1.50% |
| 二氧化钛 | ≤ 3.00% |
| 财产 | Typical Information |
|---|---|
| 颜色 | 深棕色 |
| 晶体结构 | 三方晶 |
| 真密度 | 3.90 克/立方厘米 |
| 堆积密度 | 1.75–1.95 g/cm³ |
| 莫氏硬度 | 9 |
| 熔点 | 2250℃ |
AVAILABLE SIZES
Why It Works in Refractory Materials
Segmental sand gives refractory manufacturers both material performance and a practical way to build controlled aggregate grading.
Thermal Stability
Suitable for refractory systems exposed to elevated temperatures and demanding industrial service.
Mechanical Strength
Tough, dense grains help refractory products withstand erosion, wear and mechanical load.
化学稳定性
Alumina-rich composition supports stable performance in high-temperature refractory formulations.
Flexible Grading
Different fractions can be combined to achieve the particle-size distribution required by the formulation.
BUYER'S SIZE GUIDE
How to Choose the Right Segmental Sand Size
The correct fraction depends on your refractory formulation, binder system, installation method, target density and service conditions.
| Size | Typical Selection Logic |
|---|---|
| 0–1mm | Smaller aggregate fraction or part of a graded formulation. |
| 1–3mm | Common medium aggregate fraction for castables and monolithic systems. |
| 3–5mm | Coarse fraction for formulations requiring larger aggregate structure. |
| 5–8mm | Large fraction for selected heavy-duty or brick-related formulations. |

BUYER'S SIZE GUIDE
Segmental Sand vs. Standard F Grit
These two product forms should not be mixed on the same product page because their classification and buying intent are different.
| Comparison | BFA Segmental Sand | BFA F Grit |
|---|---|---|
| Typical Size Expression | 0–1mm, 1–3mm, 3–5mm, 5–8mm | F24, F36, F46, F60, ETC. |
| Main Buying Intent | Refractory aggregate | Abrasive grain |
| Typical Applications | 浇注料, bricks, 炉衬 | 砂轮, 固结磨具 |
| Selection Basis | Particle-size interval / formulation grading | FEPA abrasive grit designation |
QUALITY CONTROL
Consistency Matters in Refractory Production
For repeat industrial purchasing, the goal is not only to meet a nominal specification but also to maintain consistent chemistry and grading between batches.
- Chemical composition inspection
- Particle-size distribution control
- Batch inspection before shipment
- COA support according to order requirements
- Sample evaluation before bulk purchasing

Brown Fused Alumina Segmental Sand FAQ
Common refractory aggregate sizes include 0–1mm, 1–3mm, 3–5mm and 5–8mm. Customized particle-size ranges can also be discussed.
It is mainly used as refractory aggregate in castables, 耐火砖, 炉衬, ramming mixes, gunning mixes and selected precast refractory products.
不. Segmental sand is normally supplied by millimeter particle-size ranges, while F grit is classified by FEPA abrasive grit designations such as F24 or F36.
Customized size requirements can be discussed according to the refractory formulation and purchasing specification.
COA support can be provided according to order requirements. Confirm the parameters you need when requesting a quotation.
Please provide the required size, chemical specification, 应用, 数量, packaging requirements and destination.
Flexible Packaging for Industrial Orders
- 25kg/50kg bags, 1MT big bags
- Customized packaging available according to your requirements
REQUEST A QUOTE
Need Brown Fused Alumina Segmental Sand for Refractory Production?
Send your required size, 化学限量, 数量, 包装和目的地. The more complete the specification, the faster an accurate product match and quotation can be prepared.
- 0–1mm / 1–3mm / 3–5mm / 5–8mm
- Custom particle-size ranges
- COA / technical specification support
- Bulk export packaging