AC3499 Reactive Grade Alumina

Catalog No. AC3499
Material Al2O3
Purity 99.8%
Size Customized

Stanford Advanced Materials (SAM) can provide Reactive Grade Alumina product series. Reactive Grade Alumina is a type of aluminum oxide ceramic products. SAM provides alumina ceramic products with high purity, tight dimensional tolerance, and competitive prices.

 

Related products: Aluminum Oxide PowderFused White Alumina, Fused Brown Alumina, Submicron Alumina, Activated Alumina

Reactive Grade Alumina Description

Reactive grade alumina powders are processed for use as a reactive binder in various applications. With a crystal size of less than 2 microns, the Martinswerk reactive grade alumina powders have an Al2O3 content of at least 99.8%. Reactive grades are more stable than calcined alumina, thus suitable for dense, high strength wear resistant materials.

Features:

-High Hardness

-High Compression Strength

-Abrasion/ Wear-Resistance

-Abrasives

-Chemical Inertness

-High Degree of Refractoriness

-Superior Electrical Insulating Properties

-Dielectric Properties

-High Melting Point

Reactive Grade Alumina Specifications

 

MR23

MR32

MR42

MR52

MR70

Al2O3 (%)

≈99.8

≈99.8

≈99.8

≈99.8

≈99.8

Na2O (%) total

≤0.1

≤0.1

≤0.1

≤0.1

≤0.1

CaO (%)

≈0.02

≈0.03

≈0.02

≈0.04

≈0.02

Fe2O3(%)

≈0.02

≈0.03

≈0.02

≈0.03

≈0.02

SiO2 (%)

≈0.025

≈0.05

≈0.05

≈0.01

≈0.08

MgO

-

-

-

≈0.08

≈0.06

αAl2O3 (%)

≥95

-

-

≥95

-

Loss on Ignition (%)

≤0.2

-

-

≤0.23

-

Specific Surface Area (m2/g)

0.2-0.5

3.5-5

2-3

6-9

6-10

Primary Crystal Size (µm)

≈3

-

-

≈1.5

-

Bulk Denisty (kg/m3)

≈600

≈1000

≈600

≈1100

≈900

Green Density (50 MPa) g/cm3

≈2.16-2.30

≈2.45

2.1-2.3

-

2.15-2.38

Fired Denisty (1600oC, 2h) g/cm3

-

≈3.4

3.0-3.3

-

3.74-3.95

Water Adsorption (ml/100g)

-

-

≈18

≈13

≈20

Reactive Grade Alumina Applications

-Polishing

-Structural Ceramics

-Technical Ceramics

-Refractories

-Body and Vehicle Armor

-Grinding

-Lapping

-Metal Preparation

-Anti-Slip

-Laminates

-Coatings

-Filtration

-Abrasives

-Refractory

-Milling

-Filler

Reactive Grade Alumina Packaging

Our Reactive Grade Alumina is carefully handled during storage and transportation to preserve the quality of our product in its original condition.

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