Your Go-To Solution for High Purity
These powders offer an exceptional level of purity, uniform particle size distribution and a sustainable manufacturing process.
Used in a wide variety of applications across various industries, such as electronics, optics, ceramics, coatings and catalysts, SupALOX is the go-to solution for professionals seeking high purity, thermal stability, chemical resistance, and superior optical properties.


75+
Years of facilitating scientific innovation
170K
Huge range of advanced materials
111
Countries served globally
ISO9001
Quality assured products
Product Benefits
SupALOX offers a host of superior properties to traditional alumina powders that make it the ideal choice for a range of different applications including:


Unmatched Purity
SupALOX boasts a purity level of 99.99% (4N8) or 99.999% (5N), surpassing most existing suppliers in the market. These powders are measured across all significant impurities, ensuring exceptional quality and performance.


Uniform Particle Size Distribution
With particle sizes ranging from 0.3 to 100 μm, SupALOX offers a uniform distribution that can be customized to meet specific customer requirements. This consistency guarantees optimal performance in various applications.


Sustainable and Cost-Effective Production
The manufacturing process of SupALOX utilizes a proprietary method that is more sustainable and cost-effective compared to the conventional alkoxide process. This proprietary process eliminates the need for aluminum metal and alcohol as raw materials, reducing environmental impact and production costs.


Choosing the Right Product
As the go-to solution for professionals seeking high purity, thermal stability, chemical resistance, and superior optical properties, we advise on the best form of SupALOX, to meet your exact requirements.
With over 75 years of experience working with industries manufacturing everything from electronics and optics to ceramics and catalysts, we’ll ensure that you’re making the very most of what it has to offer in order to raise quality and performance to new levels.
Our entire range complies with European Directives 2015/863/EU (RoHS 3) and 2000/53/EC (ELV), ensuring their environmental friendliness. As part of our commitment for quality and safety, we also hold certifications for ISO 9001, EN 9100, ISO 14001, and ISO 45001.
Our Product Range
We offer SupAlox high purity alumina powders with 5 gamma powders and 4 alpha powders in the range:
- 99.99% High Purity SupALOX D4003 Alpha Alumina Powder
- 99.99% High Purity SupALOX D4003G Gamma Alumina Powder
- 99.99% High Purity SupALOX H4011 Alpha Alumina Powder
- 99.99% High Purity SupALOX H4011G Gamma Alumina Powder
- 99.999% High Purity SupALOX H5011 Alpha Alumina Powder
- 99.999% High Purity SupALOX H5011G Gamma Alumina Powder
- 99.999% High Purity SupALOX N5003 Alpha Alumina Powder
- 99.999% High Purity SupALOX N5003G Gamma Alumina Powder


Popular SupAlox Products
- Supalox D4003 Alumina Powder Grade: Supalox D4003
Formula: Al₂O₃
Percentage Purity: 99.99%
Particle Size D10: 0.3µmµm
Particle Size D50: 0.45µmµm
Particle Size D90: 0.6µmµm
Weight: 10000g
Phase: Alpha
Colour: White
CAS Number: 1344-28-1
UOM Code: 751-694-82
eachStarting at €133.45
In stockDiscounts applied for volume purchasesGrade: Supalox D4003Formula: Al₂O₃Percentage Purity: 99.99%Particle Size D10: 0.3µmµmParticle Size D50: 0.45µmµmParticle Size D90: 0.6µmµmWeight: 10000gPhase: AlphaColour: WhiteCAS Number: 1344-28-1UOM Code: 751-694-82 - Supalox D4003G Alumina Powder Grade: Supalox D4003G
Formula: Al₂O₃
Percentage Purity: 99.99%
Particle Size D10: 0.3µmµm
Particle Size D50: 0.45µmµm
Particle Size D90: 0.6µmµm
Weight: 10000g
Phase: Gamma
Colour: White
CAS Number: 1344-28-1
UOM Code: 975-540-75
eachStarting at €132.88
In stockDiscounts applied for volume purchasesGrade: Supalox D4003GFormula: Al₂O₃Percentage Purity: 99.99%Particle Size D10: 0.3µmµmParticle Size D50: 0.45µmµmParticle Size D90: 0.6µmµmWeight: 10000gPhase: GammaColour: WhiteCAS Number: 1344-28-1UOM Code: 975-540-75 - Supalox H4011 Alumina Powder Grade: Supalox H4011
Formula: Al₂O₃
Percentage Purity: 99.99%
Particle Size D10: 1µmµm
Particle Size D50: 3µmµm
Particle Size D90: 6µmµm
Weight: 10000g
Phase: Alpha
Colour: White
CAS Number: 1344-28-1
UOM Code: 121-120-33
eachStarting at €132.73
In stockDiscounts applied for volume purchasesGrade: Supalox H4011Formula: Al₂O₃Percentage Purity: 99.99%Particle Size D10: 1µmµmParticle Size D50: 3µmµmParticle Size D90: 6µmµmWeight: 10000gPhase: AlphaColour: WhiteCAS Number: 1344-28-1UOM Code: 121-120-33 - Supalox H4011G Alumina Powder Grade: Supalox H4011G
Formula: Al₂O₃
Percentage Purity: 99.99%
Particle Size D10: 1µmµm
Particle Size D50: 3µmµm
Particle Size D90: 6µmµm
Weight: 10000g
Phase: Gamma
Colour: White
CAS Number: 1344-28-1
UOM Code: 403-894-70
eachStarting at €132.59
In stockDiscounts applied for volume purchasesGrade: Supalox H4011GFormula: Al₂O₃Percentage Purity: 99.99%Particle Size D10: 1µmµmParticle Size D50: 3µmµmParticle Size D90: 6µmµmWeight: 10000gPhase: GammaColour: WhiteCAS Number: 1344-28-1UOM Code: 403-894-70 - Supalox H5011 Alumina Powder Grade: Supalox H5011
Formula: Al₂O₃
Percentage Purity: 99.999%
Particle Size D10: 1µmµm
Particle Size D50: 3µmµm
Particle Size D90: 6µmµm
Weight: 10000g
Phase: Alpha
Colour: White
CAS Number: 1344-28-1
UOM Code: 982-932-51
eachStarting at €136.26
In stockDiscounts applied for volume purchasesGrade: Supalox H5011Formula: Al₂O₃Percentage Purity: 99.999%Particle Size D10: 1µmµmParticle Size D50: 3µmµmParticle Size D90: 6µmµmWeight: 10000gPhase: AlphaColour: WhiteCAS Number: 1344-28-1UOM Code: 982-932-51 - Supalox H5011G Alumina Powder Grade: Supalox H5011G
Formula: Al₂O₃
Percentage Purity: 99.999%
Particle Size D10: 1µmµm
Particle Size D50: 3µmµm
Particle Size D90: 6µmµm
Weight: 10000g
Phase: Gamma
Colour: White
CAS Number: 1344-28-1
UOM Code: 742-555-63
eachStarting at €135.01
In stockDiscounts applied for volume purchasesGrade: Supalox H5011GFormula: Al₂O₃Percentage Purity: 99.999%Particle Size D10: 1µmµmParticle Size D50: 3µmµmParticle Size D90: 6µmµmWeight: 10000gPhase: GammaColour: WhiteCAS Number: 1344-28-1UOM Code: 742-555-63 - Supalox N5003 Alumina Powder Grade: Supalox N5003
Formula: Al₂O₃
Percentage Purity: 99.999%
Particle Size D10: 0.3µmµm
Particle Size D50: 0.45µmµm
Particle Size D90: 0.6µmµm
Weight: 10000g
Phase: Alpha
Colour: White
CAS Number: 1344-28-1
UOM Code: 175-103-97
eachStarting at €136.12
In stockDiscounts applied for volume purchasesGrade: Supalox N5003Formula: Al₂O₃Percentage Purity: 99.999%Particle Size D10: 0.3µmµmParticle Size D50: 0.45µmµmParticle Size D90: 0.6µmµmWeight: 10000gPhase: AlphaColour: WhiteCAS Number: 1344-28-1UOM Code: 175-103-97 - Supalox N5003G Alumina Powder Grade: Supalox N5003G
Formula: Al₂O₃
Percentage Purity: 99.999%
Particle Size D10: 0.3µmµm
Particle Size D50: 0.45µmµm
Particle Size D90: 0.6µmµm
Weight: 10000g
Phase: Gamma
Colour: White
CAS Number: 1344-28-1
UOM Code: 166-247-28
eachStarting at €135.29
In stockDiscounts applied for volume purchasesGrade: Supalox N5003GFormula: Al₂O₃Percentage Purity: 99.999%Particle Size D10: 0.3µmµmParticle Size D50: 0.45µmµmParticle Size D90: 0.6µmµmWeight: 10000gPhase: GammaColour: WhiteCAS Number: 1344-28-1UOM Code: 166-247-28
Applications


Electronics
SupALOX is widely used in the electronics industry for its excellent dielectric properties. It’s frequently used as insulation in electronic components, capacitors and substrates for integrated circuits.


Catalysts
Used as a catalyst support in various chemical processes, SupALOX has a high surface area and thermal stability that makes it an excellent choice for catalytic applications, including gas-phase reactions and catalytic converters.


Optics
With its remarkable transparency and light transmission capabilities, SupALOX is an ideal material for optical components. It’s extensively used in lenses, windows and optical coatings for various optical devices and systems.


Coatings
The exceptional properties of SupALOX make it a prized material for high-performance coatings as it improves wear and corrosion resistance, as well as thermal insulation in various applications.


Ceramics
SupALOX is a vital component in the production of advanced ceramics. Due to its high purity and thermal stability, it’s used in the fabrication of ceramic parts such as furnace tubes, crucibles, and liners.
Why Goodfellow?
- No minimum order
- Over 175,000 advanced materials
- Supply Chain Management:
- sourcing custom materials for your needs
- Dispatched globally within 48 hours
- Materials customization:
- Custom parts for prototyping | Full product modification | Micro-machining | Microfabrication | Rolling
- Free and fast delivery: Worldwide shipping and customs clearance, to your door. All orders are dispatched within 48 hours
- Commercial arrangements:
- Call off orders | Buffer stock | Fixed and contract pricing | Discounts for increased volumes
- We help you innovate into the future.


*Conditions apply
What's New
Recent posts



Be in the know
Sign Up for our latest materials insight, projects and offers.