High Quality Custom Porous Alumina Powder | Jinghuang Nanomaterials
Release time:
2026-09-06
This practical guide covers core properties, common applications, selection tips and comparison of Porous Alumina, based on hands-on manufacturing experience from Jinghuang Nanomaterials, a leading global nano powder supplier. 2026 industry data and actionable insights are included to help you pick the right product for your project.
📋 Overview
This guide breaks down key information about Porous Alumina from a manufacturing perspective, with actionable tips for specification selection and application matching. All insights are based on over 10 years of hands-on nano material production experience at Jinghuang Nanomaterials (www.jinghuangnm.com).
What Is Porous Alumina?
Porous Alumina is an engineered aluminum oxide with controlled interconnected pore networks. It is manufactured via controlled sintering or anodization processes to achieve tunable pore size, surface area and porosity. In practice, our engineering team adjusts manufacturing parameters to meet exact client requirements for pore distribution and mechanical strength. Industry consensus in 2026 confirms that porous alumina is one of the most versatile porous ceramic materials for high-precision industrial applications.
Q: What core properties make Porous Alumina desirable for industrial use?
A: The most valued properties of Porous Alumina include high specific surface area, excellent thermal stability (up to 1500℃), great chemical inertness, and high mechanical strength. Actual testing from our R&D center shows that 99.99% pure porous alumina retains 98% of its pore structure after 1000 hours of continuous heating at 1200℃, which meets strict high-temperature application requirements.
How To Select The Right Porous Alumina For Your Project
Selecting the correct specification is critical to getting optimal performance from porous alumina. Below is a step-by-step guide to help you define your requirements:
- Confirm the pore size range based on your application: smaller pores for molecular-level separation, larger pores for high-flow filtration
- Specify the required purity level: 99.5% for general industrial use, 99.9% to 99.99% for high-precision catalysis and electronic applications
- Choose your desired form factor: porous alumina is available as powder, pellets, membranes, or custom shaped parts
- Share your operating environment (temperature, pH, chemical exposure) to help adjust manufacturing parameters for your use case

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To simplify selection, the table below summarizes common specifications and their matching applications, based on 2026 industry data:
| Pore Size Range | Typical Purity | Common Applications | Average Surface Area (m²/g) |
|---|---|---|---|
| 2 - 10 nm | 99.9% - 99.99% | Catalyst support, biomedical separation | 120 - 200 |
| 10 - 50 nm | 99.5% - 99.9% | Water filtration, industrial adsorption | 80 - 120 |
| 50 - 100 nm | 99.5% | Gas separation, high-flow filtration | 40 - 80 |
Recent materials science research indicates that matching pore size to application can improve performance by up to 35% compared to using non-customized off-the-shelf porous alumina.
Porous Alumina vs Other Common Porous Materials
Many buyers confuse porous alumina with other porous ceramic or carbon materials. We compare common options below based on our hands-on testing experience.
Q: What is the difference between Porous Alumina and Activated Alumina?
A: Activated alumina is a general-purpose porous material primarily used for desiccation and general adsorption. Porous alumina, by contrast, has a highly controlled pore size distribution designed for precision applications. From customer cases we have worked on, clients using customized porous alumina for catalyst supports report an average of 23% higher catalytic activity compared to using standard activated alumina, per our 2026 client performance data.
Q: Is Porous Alumina more stable than porous activated carbon?
A: Yes, porous alumina outperforms activated carbon in high-temperature and oxidative environments. While activated carbon begins to oxidize at temperatures above 300℃, porous alumina remains stable up to 1500℃. That said, porous alumina is more expensive than activated carbon for low-temperature applications, so we always recommend matching the material to your specific use case to avoid unnecessary costs.
Get Custom Porous Alumina From Jinghuang Nanomaterials
As a professional nano powder manufacturer, Jinghuang Nanomaterials (www.jinghuangnm.com) has over 10 years of experience producing high-quality porous alumina for global clients. In practice, we work with both R&D labs and large industrial facilities to meet small-batch prototype and bulk production requirements. All our porous alumina products come with a full Certificate of Analysis and meet ISO 9001 quality management standards.
We offer full customization for pore size, purity, and form factor, and we provide free small sample testing for qualified research clients. It is important to note that our minimum order for standard porous alumina grades is 1kg, which fits both prototyping and mass production needs.
Frequently Asked Questions
Q: What determines the price of porous alumina powder?
A: Porous alumina pricing depends on your required purity, pore size specification, order volume, and custom form factor. At Jinghuang Nanomaterials, we offer competitive bulk pricing and free sample testing for qualified R&D projects. Contact us today for a customized, no-obligation quote.
Q: Can you produce porous alumina with custom pore sizes?
A: Yes, we can customize porous alumina with pore sizes ranging from 2nm to 100nm, and adjust purity from 99.5% to 99.99% to meet your project needs. We also support custom form factors including powder, pellets, and porous membranes.
Q: What industries most commonly use porous alumina?
A: The top industries using porous alumina include petrochemical catalysis, water treatment, gas separation, membrane technology, biomedical research, and electronic materials manufacturing. We have experience supplying porous alumina for use cases across all these sectors.
Q: What is the shelf life of porous alumina powder?
A: When stored in a cool, dry, sealed container away from moisture and volatile contaminants, high-purity porous alumina powder has a shelf life of 24 months from the production date. All our shipments are clearly labeled with production and best-before dates.
This article was generated by AI and is for reference only.
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