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High-Reactivity Alumina HA100S Micro-Powder with Doublet Grain Distribution, D50 1.7μm, and BET 2.3 m²/g

Name: High-Reactivity Alumina HA100S Micro-Powder with Doublet Grain Distribution, D50 1.7μm, and BET 2.3 m²/g
Brand: Zibo Huao New Materials Co., Ltd.
SKU: Reactive Alumina
Price: Negotiable USD
Availability: InStock

Product Details

Place of Origin: Shandong, China

Brand Name: HUAO

Certification: ISO9001, ISO14001, ISO45001

Model Number: Reactive Alumina

Payment & Shipping Terms

Minimum Order Quantity: Negotiation

Price: Negotiation

Packaging Details: 25kg/ 50kg/ 1000kg/ 1250kg/Jumbo(BB); Or As Customer's Requirement

Delivery Time: Normally 15 days

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Product Details

Product Description

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                                                                                                                                                                                                                                                                                                                High-Reactivity Alumina HA100S micro-powder, Doublet grain distribution alumina powder, Reactive alumina with BET 2.3 m²/g
                              

Na₂O(%):	0.10	Fe₂O₃(%):	0.04
MgO(%):	11.00	SiO₂(%):	0.10
CaO(%):	0.03	Surface Area/BET(m²/g):	2.3
D50 Cilas(μm):	1.7	D90 Cilas(μm):	9.0

Na₂O(%):	0.10
Fe₂O₃(%):	0.04
MgO(%):	11.00
SiO₂(%):	0.10
CaO(%):	0.03
Surface Area/BET(m²/g):	2.3
D50 Cilas(μm):	1.7
D90 Cilas(μm):	9.0

High-Reactivity Alumina HA100S Micro-Powder with Doublet Grain Distribution, D50 1.7μm, and BET 2.3 m²/g

High-Reactivity Alumina HA100S Micro-powder for Refractories

HUAO reactive alumina HA100S is a special formula of reactive micro-powder that can meet the strict mechanical and thermal performance requirements of advanced refractory material systems. HUAO directly supplies HA100S reactive alumina micro-powder to international B2B customers, helping improve castable flowability, control volume stability, and enhance medium-temperature mechanical strength in steelmaking and industrial furnace applications.

Technical Parameters

Features/Methods	Unit	HA100S Typical
Na₂O	%	0.10
Fe₂O₃	%	0.04
MgO	%	11.00
SiO₂	%	0.10
CaO	%	0.03
Surface area/BET	m²/g	2.3
D50 Cilas	μm	1.7
D90 Cilas	μm	9.0
Particle distribution	--	doublet

Key Features

The specialized doublet particle packing structure allows ultra-fine micro-grains to fit neatly into interstitial matrix voids, lowering porosity and ensuring high fired structural density.
An elevated MgO concentration drives active solid-state matrix reactions, supporting spinellization and early bonding to deliver superior high-temperature erosion resistance.
The controlled surface activity reduces water demand during mixing while preserving smooth flowability in castable slurries.
Controllable sintering activity promotes robust matrix consolidation, boosting intermediate mechanical strength and hot modulus of rupture.
Cilas laser diffraction verification ensures a stable median particle size of D50 1.7 μm and D90 9.0 μm for consistent processing performance.

Applications

Acts as a core reactive matrix component in steel ladle castables and iron runner linings, helping resist slag corrosion and thermal shock in hot metal zones.
Used in manufacturing high-performance breathable bricks, block bricks, and precast shapes where accurate dimensional stability and crack resistance are critical.
Incorporated into corundum self-flowing castables and refractory spray mixtures to deliver fast placement, reduced water requirements, and durable bond adhesion.

Why Choose HUAO

Manufactured in ISO 9001, ISO 14001, and ISO 45001 certified facilities, HUAO executes complete chemical and physical quality testing on every batch to maintain strict export consistency. The doublet particle sizing and lower surface energy of HA100S allow formulators to achieve high flowability with minimal water additions, lowering drying risks and improving final component yield. As a direct source producer, HUAO provides predictable supply capacity, direct pricing, and standardized international packaging tailored for sea freight.

Customization

HUAO provides adaptable packaging configurations to safeguard fine reactive powders against atmospheric humidity during ocean shipment. Options include 25kg multi-layer bags, 1000kg/1250kg jumbo bulk sacks with moisture-barrier polyethylene liners, and wooden-palletized shrink wrapping suited for international container transport.

FAQ

Q1: How does the 11.00% MgO content benefit HA100S performance in refractories?

A1: The typical 11.00% MgO addition facilitates matrix reactivity and in-situ spinel phase formation, improving high-temperature slag resistance, bond strength, and structural integrity under severe thermal conditions.

Q2: What is the main advantage of the doublet particle distribution in HA100S?

A2: The doublet distribution improves micro-particle packing density, which lowers overall water requirements during mixing and helps form a dense, low-porosity structure upon sintering.

Q3: What are the key chemical impurity limits for Reactive Alumina HA100S?

A3: HA100S maintains low impurity levels with typical values of 0.10% Na₂O, 0.04% Fe₂O₃, 0.10% SiO₂, and 0.03% CaO.

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High-Reactivity Alumina HA100S Micro-Powder with Doublet Grain Distribution, D50 1.7μm, and BET 2.3 m²/g