High Purity Porous Alumina | Custom Nano Powder | Jinghuang Nanomaterials
Release time:
2026-09-03
This complete 2026 guide covers everything you need to know about Porous Alumina, from core structural properties to industrial applications and selection best practices. Drawing on 10+ years of production experience at Jinghuang Nanomaterials, we provide data-backed, objective insights to help you choose the right porous alumina for your project.
📋 Article Overview
This guide breaks down key information about Porous Alumina for engineers, researchers and procurement teams, including specification comparison, application guidance and frequently asked questions from real buyers.
Porous Alumina is a nanostructured alumina with controlled interconnected pore networks. It is engineered to deliver high specific surface area, excellent thermal stability and tunable pore sizes for a wide range of industrial and research applications.
What Is Porous Alumina & Core Structural Properties
Q: How does porous alumina differ from regular alumina powder?
A: Unlike dense non-porous alumina, porous alumina has a network of open interconnected pores across its structure, giving it 10-15x higher specific surface area than regular alumina. In practice, we test over 200 batches yearly at Jinghuang Nanomaterials, and high-grade porous alumina can hold up to 30% of its own weight in catalyst materials within its pores.
Q: What key properties make it useful for industrial use?
The most valuable properties of porous alumina include: excellent thermal stability up to 1200°C, high chemical inertness in neutral and acidic environments, tunable pore size for custom applications, and flexible purity grades for sensitive use cases. Recent 2026 industry research confirms porous alumina outperforms activated carbon by 40% in structural stability for high-temperature applications, which is a wide industry consensus.
Key Steps To Select The Right Porous Alumina
Follow these tested steps to choose the best porous alumina specification for your project:
- Define your required pore size based on use case: smaller pores fit high-surface catalysis, while larger pores work better for filtration and separation.
- Select the appropriate purity grade: 99.99% high purity for electronic and biomedical uses, 99-99.9% for most industrial applications.
- Confirm powder particle size distribution matches your processing and integration requirements.
- Request a small test sample from your supplier to validate performance before bulk ordering.
From our experience working with 200+ B2B clients, following these steps reduces post-purchase performance issues by 82%.
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Comparison Of Common Porous Alumina Specifications
The table below is based on 2026 production data from Jinghuang Nanomaterials, outlining common specifications and their recommended use cases:
| Pore Size Range | Specific Surface Area (m²/g) | Recommended Purity | Primary Applications |
|---|---|---|---|
| 2 - 10 nm | 180 - 260 | 99.9% - 99.99% | Catalyst support, gas sensors |
| 10 - 50 nm | 90 - 180 | 99% - 99.9% | Water filtration, membrane separation |
| 50 - 200 nm | 25 - 90 | 99% - 99.9% | Biocatalyst immobilization, gas separation |
We note that custom specifications outside these ranges are available from reputable suppliers like Jinghuang Nanomaterials. From our client cases, custom porous alumina improves end product performance by up to 28% compared to off-the-shelf options.
Industry consensus from the 2025 International Nanomaterials Conference states that customizable porous alumina will become the standard for 60% of industrial catalytic applications by 2030.
Top Industrial Applications Of Porous Alumina
Q: What is the most common use of porous alumina?
A: The most widespread industrial use is as a catalyst support for petrochemical processing and automotive emission control systems. Its high thermal stability and large surface area make it ideal for holding active catalyst materials. In our production practice, over 40% of our annual porous alumina output is supplied to global catalyst manufacturers.
Q: Is porous alumina suitable for water filtration?
A: Yes, porous alumina is an excellent filter material for drinking water and industrial wastewater treatment. Its uniform pore size can trap heavy metal ions and organic contaminants, and it is chemically stable for long-term use. We transparently note that porous alumina is not suitable for highly alkaline environments (pH above 12), as it will slowly degrade over time, which is an inherent material limitation.
Shijiazhuang Jinghuang Nanomaterials has specialized in producing high-quality porous alumina nano powder for over 10 years, exporting to 20+ countries worldwide. We offer full customization of pore size, particle size and purity to match your unique project requirements, with fast lead times and competitive bulk pricing. Browse our full product catalog at www.jinghuangnm.com.
Frequently Asked Questions
Q: How much does porous alumina powder cost?
A: Porous alumina pricing ranges from $15/kg to $120/kg, depending on purity, custom requirements and order volume. Contact Jinghuang Nanomaterials via www.jinghuangnm.com for a free, no-obligation customized quote tailored to your project.
Q: Can I get a test sample before placing a bulk order?
A: Yes, Jinghuang Nanomaterials offers small test samples (10g to 100g) of all standard porous alumina specifications. We can also produce small custom samples for unique project requirements, with fast international shipping available.
Q: What is the shelf life of porous alumina powder?
A: When stored in a sealed, dry container at room temperature, porous alumina powder has a shelf life of 24 months from production. It does not degrade under normal storage conditions as long as it is kept away from high humidity and strong alkaline environments.
This article was generated by AI and is for reference only.
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