Lightweight Hollow Glass Microspheres: High Strength Filler Supplier for Coatings & Composites
Discover the advantages of our premium hollow glass microspheres, engineered for exceptional performance in coatings, composites, and advanced material applications. As a trusted manufacturer in China, we deliver solutions that enhance lightness, strength, and insulation.
Get a Quote & SampleEnhance Your Materials with Superior Hollow Glass Microspheres

Premium Hollow Glass Microspheres
We are a premier supplier and manufacturer of high-performance hollow glass microspheres, offering unparalleled lightweight solutions. Our product is a white flowing powder with a true density ranging from 0.25 to 0.60 g/cm³. As a leading provider in China, we ensure consistent quality and competitive pricing for bulk purchases.
- Lightweight Filler for Density Control: Utilize our hollow glass microspheres to significantly reduce the weight of your composite materials and coatings, a key benefit for manufacturers aiming to lower raw material costs and improve product handling.
- High Compressive Strength: Achieve enhanced structural integrity with our microspheres, offering compressive strengths up to 82MPa, crucial for applications demanding durability and resistance to deformation.
- Exceptional Thermal and Acoustic Insulation: Our hollow glass microspheres provide superior thermal conductivity (0.05340-0.100040 W/m.k), making them ideal for applications requiring insulation properties.
- Improved Processing and Liquidity: Experience better dispersion and lower viscosity in your formulations with our hollow glass microspheres, simplifying manufacturing processes for paint, coatings, and composites.
Key Advantages of Our Hollow Glass Microspheres
Lightweight & Bulk Density Reduction
Significantly lower the overall weight and bulk density of your products by incorporating our hollow glass microspheres. This advantage is crucial for industries like aerospace and automotive, where weight reduction directly translates to performance improvements and cost savings. Buying these from a reliable supplier in China ensures accessibility.
Enhanced Mechanical Properties
Our microspheres contribute to improved mechanical performance, including higher compressive strength and dimensional stability. This makes them an excellent choice for manufacturers looking to buy fillers that bolster the integrity of their final products, such as in SMC/BMC applications or advanced plastics.
Superior Thermal Insulation
With their inherent low thermal conductivity, these hollow glass spheres are perfect for thermal insulation coatings and materials. They help maintain stable temperatures, reducing energy consumption in buildings and industrial equipment. Inquire about our price for bulk orders to leverage this benefit.
Versatile Applications for Our Microspheres
Coatings and Paints
Enhance your coatings with improved fluidity, reduced viscosity, and excellent thermal insulation. Our microspheres offer protection against chemical corrosion and UV rays, making them a smart purchase for paint manufacturers seeking quality and performance.
Composite Materials
As lightweight fillers, they significantly reduce the weight of composites while maintaining or improving mechanical properties. This makes them ideal for manufacturing automotive parts, sporting goods, and construction materials. Buy in volume from our Chinese facility.
Aerospace & Automotive
The superior strength-to-weight ratio makes our hollow glass microspheres essential for lightweighting in aerospace and automotive industries, contributing to fuel efficiency and performance. We are a trusted supplier for these demanding sectors.
Oil and Gas Industry
Utilized in drilling fluids and cement slurries, our microspheres help control density and improve flowability, ensuring safer and more efficient operations. Consult with our sales team for pricing and availability for your oilfield chemical needs.