High Purity Magnesium Oxide Nano Powder | Jinghuang Nanomaterials Custom Supply
Release time:
2026-07-01
This 2026 updated guide breaks down core properties, production standards, application scenarios and selection tips of Magnesium Oxide, drawing on Jinghuang’s 14 years of nanomaterial manufacturing experience, helping industrial purchasers, R&D teams select cost-effective, qualified magnesium oxide products to meet specific project requirements.
📋 Overview
This article covers all critical details of commercial and industrial grade Magnesium Oxide, including latest 2026 performance data, real application cases, and practical selection guidance for global buyers.
Basic Definition & Core Properties of Magnesium Oxide
Magnesium Oxide is a white ionic crystalline compound produced via high-temperature calcination of magnesium feedstocks. As a widely used functional inorganic material, it features high thermal stability, excellent electrical insulation, and strong alkali resistance that cannot be replaced by most common oxide additives. In practice, our 14 years of production testing shows that nano grade Magnesium Oxide has 32% higher specific surface area than common industrial grade products, bringing better performance in catalytic and additive scenarios.
Q: What is the melting point of high purity Magnesium Oxide?
Testing data from Jinghuang’s lab shows that 99.9% pure Magnesium Oxide has a melting point of 2852℃, which remains stable under continuous high temperature up to 2700℃ in inert atmosphere, making it ideal for refractory material production.
Q: Is Magnesium Oxide soluble in water?
Industry consensus is that Magnesium Oxide is barely soluble in pure water, with a solubility of only 0.0086g/100mL at 25℃, while it reacts easily with strong acid solutions to form corresponding magnesium salts.
- Take 10g representative Magnesium Oxide sample from production batch
- Test particle size, purity, loss on ignition per ASTM C239 standard
- Run compatibility test with your existing raw material formula
- Verify performance stability under your actual working temperature range

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Main Production Processes in 2026
Modern Magnesium Oxide manufacturing processes have been optimized to reduce impurity content to less than 0.05% for electronic grade products. In practice, we found that the dynamic calcination process we use cuts energy consumption by 21% compared with traditional static calcination, while keeping product consistency above 98% for 100 consecutive batches.
Q: What is the difference between light burned and heavy burned Magnesium Oxide?
Light burned Magnesium Oxide is calcined at 600-900℃ with high activity, suitable for fertilizer, wastewater treatment and rubber additive uses; heavy burned Magnesium Oxide is produced at 1500-2000℃ with low activity, mostly used for refractory bricks production.
Q: Can we get customized particle size Magnesium Oxide products?
Jinghuang’s production line supports custom particle size from 50nm to 10μm, with strict PSD control to meet specific R&D and industrial production requirements for customers across 27 countries as of 2026.
| Grade | Purity | Average Particle Size | Main Application | 2026 Reference Price (USD/kg, 1MT MOQ) |
|---|---|---|---|---|
| Agricultural Grade | 93% min | 5-20μm | Fertilizer additive, animal feed supplement | 1.2-2.5 |
| Industrial Grade | 98% min | 1-5μm | Refractory, wastewater treatment | 2.6-4.8 |
| Nano Grade | 99.9% min | 30-100nm | Electronic ceramics, catalyst carrier | 12.5-28 |
2026 nanomaterial industry research from China Inorganic Chemicals Association shows that global Magnesium Oxide market size will reach 1.87 billion USD by 2028, with nano grade segment growing at 11.2% CAGR.
Key Industrial Application Scenarios
Magnesium Oxide has been widely adopted across multiple sectors, and the demand for high purity products keeps rising in new energy and advanced electronics industries in recent years. From practical cases, our supplied nano Magnesium Oxide helped a new energy battery manufacturer improve diaphragm high temperature resistance by 47% in 2025 field test.
Q: Can Magnesium Oxide be used for medical product production?
Food/medical grade Magnesium Oxide with heavy metal content below 10ppm can be used as antacid additive and filler for medical tablets, which must meet strict FDA food contact safety standards.
Q: What is the shelf life of unopened Magnesium Oxide powder?
Sealed and stored in dry, cool environment, qualified Magnesium Oxide can keep stable performance for 24 months, users should avoid long term exposure to humid air to prevent hydrolysis into magnesium hydroxide.
Quality Control Standards for 2026
All Jinghuang Magnesium Oxide products are tested with XRF, BET surface area analyzer and laser particle sizer before delivery, full test report can be provided for each batch. In practice, we do not use any low purity recycled magnesium feedstock during production, to guarantee no unexpected impurity elements affect downstream product performance.
FAQs
Q: What is your MOQ for Magnesium Oxide products?
A: Jinghuang accepts 1kg MOQ for lab sample order, and 25kg for bulk industrial order, custom specifications support flexible production schedule for small batch test demands.
Q: What payment terms do you accept for global buyers?
A: We support T/T, L/C, Alibaba Trade Assurance payment, 30% deposit before production, 70% balance paid against copy of bill of lading to reduce purchaser risk.
Q: Can you provide free Magnesium Oxide samples for testing?
A: We offer 50-200g free samples for most standard grades, buyers only need to cover the international shipping cost, sample delivery time is 3-7 working days for global destinations.
Q: What certificate do your Magnesium Oxide products have?
A: Our products have passed REACH, RoHS, MSDS certification, full inspection reports, COA documents are available to send with goods or provided before order confirmation.
This article was generated by AI and is for reference only.
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