Top 10 Companies in the Magnesium Hydroxide Slurry Industry (2025): Market Leaders Driving Sustainable Industrial Solutions

In Business Insights
August 04, 2025

The Global Magnesium Hydroxide Slurry Market was valued at USD 567 Million in 2024 and is projected to reach USD 765 Million by 2030, growing at a Compound Annual Growth Rate (CAGR) of 5.1% during the forecast period (2024–2030). This growth is fueled by increasing environmental regulations, rising wastewater treatment demands, and the expanding use of magnesium hydroxide slurry as a flame retardant in plastics and rubber applications.

As industries worldwide transition toward environmentally friendly chemical solutions, magnesium hydroxide slurry has emerged as a versatile and sustainable alternative across multiple sectors. In this blog, we analyze the Top 10 Companies in the Magnesium Hydroxide Slurry Industry—key producers and innovators shaping this dynamic market.


🔟 1. Ube Materials

Headquarters: Yamaguchi, Japan
Key Offering: High-purity magnesium hydroxide slurries for wastewater treatment

Ube Materials is a global leader in magnesium hydroxide slurry production, specializing in high-performance formulations for acid neutralization and heavy metal removal in industrial wastewater applications.

Sustainability Innovations:

  • Wastewater treatment solutions for mining and metal processing

  • Closed-loop production processes minimizing environmental impact

Download FREE Sample Report: Magnesium Hydroxide Slurry Market – View in Detailed Research Report


9️⃣ 2. Martin Marietta

Magnesium Hydroxide Slurry Market – View in Detailed Research Report


4️⃣ 7. Aries Chemical

Headquarters: New Jersey, USA
Key Offering: Specialty magnesium hydroxide slurries for wastewater applications

Aries Chemical provides formulation expertise for challenging wastewater treatment scenarios requiring magnesium hydroxide’s buffering and precipitation capabilities.

Application Expertise:

  • Custom blends for specific contaminants

  • Technical support for industrial wastewater operators


3️⃣ 8. Hill Brothers

Headquarters: Ohio, USA
Key Offering: Magnifin magnesium hydroxide flame retardants

Hill Brothers specializes in magnesium hydroxide formulations for polymer applications, focusing on flame retardancy and smoke suppression properties.

Product Features:

  • High purity grades for demanding polymer applications

  • Surface-modified products for enhanced compatibility


2️⃣ 9. Kyowa Chemical

Headquarters: Kagawa, Japan
Key Offering: Kisuma magnesium hydroxide powders and slurries

Kyowa Chemical is a pioneer in magnesium hydroxide technology, supplying advanced slurry formulations to Asian and global markets.

Technical Leadership:

  • Nano-scale magnesium hydroxide developments

  • Specialty formulations for high-performance applications


1️⃣ 10. RHI Group

Headquarters: Vienna, Austria
Key Offering: Magnesia-based chemical solutions including magnesium hydroxide slurries

RHI Group leverages its extensive magnesia expertise to produce high-performance magnesium hydroxide slurries for environmental and industrial applications worldwide.Magnesium Hydroxide Slurry Market – View in Detailed Research Report