Discover premium hollow glass beads, ideal for lightweight and durable fillers.
PRODUCT PARAMETERS
Description
Overview of Hollow Glass Beads
Hollow glass beads, also known as glass microspheres or hollow glass spheres, are tiny, spherical objects made primarily of borosilicate glass. They are characterized by their hollow interiors and thin outer shells. These properties make them lightweight yet strong, which contributes to their widespread use across various industries.
Features of Hollow Glass Beads
Lightweight: Due to their hollow structure, these beads have a low density, making them extremely lightweight. This feature is beneficial in applications where weight reduction is critical, such as in aerospace and automotive industries.
High Compressive Strength: Despite being lightweight, hollow glass beads exhibit high compressive strength. This makes them suitable for use in composite materials that require durability and resistance to pressure.
Chemical Stability: These beads are chemically inert, meaning they do not react with most chemicals. This property is advantageous in environments where chemical exposure is common, ensuring long-term stability and performance.
Thermal Insulation: Hollow glass beads provide excellent thermal insulation due to the trapped air within their hollow centers. This characteristic makes them ideal for use in construction and insulation products.
Low Thermal Conductivity: Their ability to resist heat transfer makes them useful in applications requiring temperature control or resistance.
Optical Properties: Depending on their composition and size, hollow glass beads can have interesting optical properties, including light reflection and refraction, making them useful in reflective coatings and retroreflective materials.

Specification of Hollow Glass Microspheres for thermal insulation coating use
Specification of Hollow Glass Microspheres for Thermal Insulation Finish
Product Overview
Hollow glass microspheres are tiny, light-weight rounds made from soda-lime-borosilicate glass. They have a smooth surface and a closed-cell framework. These microspheres are made use of as practical fillers in thermal insulation coverings to decrease warmth transfer and improve power efficiency.
Key Characteristics
The microspheres are white or off-white in shade and circulation freely like great powder. Their fragment size varies from 10 to 80 micrometers. Truth density is between 0.12 and 0.60 g/cm ³, while the bulk thickness falls within 0.03 to 0.15 g/cm THREE. Each round has a compressive strength of 3,000 to 25,000 psi, depending upon the quality.
They supply low thermal conductivity– commonly below 0.07 W/(m · K)– that makes them suitable for insulating applications. The microspheres likewise stand up to wetness, chemicals, and high temperatures up to 600 ° C (1,112 ° F). Their round shape aids reduced viscosity in layers, enabling easier mixing and application.
Technical Demands
For usage in thermal insulation finishes, the microspheres must satisfy strict quality requirements. The average particle dimension must correspond throughout batches. Wetness web content must remain under 0.5% by weight. The pH worth of a 10% slurry in distilled water ought to be between 6.0 and 8.0.
Ash web content is not applicable because the product is fully not natural. Hefty steels such as lead, cadmium, and mercury should be missing or below obvious limitations per RoHS standards. Sieve deposit on a 325-mesh display must not surpass 0.1%.
Handling and Storage
Shop the microspheres in a completely dry, amazing place far from straight sunshine. Keep containers sealed when not in use to stop wetness absorption. Usage typical commercial hygiene techniques during handling– put on gloves and prevent developing dirt clouds.

Applications of Hollow Glass Microspheres for thermal insulation coating use
Applications of Hollow Glass Microspheres in Thermal Insulation Coatings
Lightweight Efficiency with Solid Insulation
Hollow glass microspheres are small, hollow balls made from glass. They bring major advantages to thermal insulation layers. These microspheres are extremely light. When contributed to a finishing, they lower its overall weight without hurting performance. This makes the coating less complicated to apply and deal with.
Boosted Thermal Resistance
The air trapped inside each microsphere functions as a barrier to heat flow. This provides the coating better protecting power. Structures covered with this material stay cooler in summer season and warmer in winter season. Power usage for home heating and cooling decreases therefore.
Sturdiness and Stability
Hollow glass microspheres stand up to water, chemicals, and heats. They do not reduce or swell gradually. This aids the layer last longer and remain effective under hard conditions. The surface area remains smooth and intact also after years of direct exposure.
Alleviate of Usage in Formulas
Suppliers find these microspheres straightforward to mix into paint and finishing systems. They mix well without clumping. The final product streams efficiently throughout spraying or brushing. This saves time and decreases waste on job sites.
Versatile Applications
These finishings work well on roof coverings, wall surfaces, pipelines, and storage tanks. They are used in homes, factories, and infrastructure jobs. Any type of location that requires to manage warmth gain or loss can profit. The microspheres additionally help fulfill green structure criteria by reducing power need.
By using hollow glass microspheres, thermal insulation finishes become smarter, lighter, and extra efficient. Their unique framework supplies real-world worth throughout many sectors.
Company Introduction
Welcome to Psp-Vault, a trusted global supplier of high-quality Hollow microspheres renowned for its exceptional purity and performance. Established with a vision to deliver cutting-edge materials that meet the diverse needs of modern industries, we have positioned ourselves as a leading player in the international market.
Our Hollow microspheres find applications across multiple sectors, including adhesives, coatings, pharmaceuticals, cosmetics, polymers, and electronics. Each application benefits from the unique properties of our products—high surface area, excellent thixotropy, chemical inertness, and superior reinforcement capabilities. Whether you need hydrophilic or hydrophobic variants, we offer tailored solutions to meet your specific requirements.
If you have any questions, please feel free to contact us(nanotrun@yahoo.com).
Payment Methods
T/T, Western Union, Paypal, Credit Card etc.
Shipment Methods
By air, by sea, by express, as customers request.

5 FAQs of Hollow Glass Microspheres for thermal insulation coating use
Frequently Asked Questions About Hollow Glass Microspheres for Thermal Insulation Coatings
What are hollow glass microspheres?
Hollow glass microspheres are tiny, lightweight spheres made of glass. They have a hollow center and a smooth outer shell. These microspheres are added to coatings to improve insulation and reduce weight.
How do they help with thermal insulation?
The air trapped inside each microsphere acts as a barrier to heat. This slows down heat transfer through the coating. As a result, surfaces stay cooler in hot weather and warmer in cold weather.
Can they be mixed into regular paint?
Yes. Hollow glass microspheres can be blended into many types of water-based or solvent-based paints. You just need to follow the recommended mixing ratio. Too much may affect the paint’s adhesion or drying time.
Do they change the look or feel of the coating?
They usually do not change the color of the coating. The surface may feel slightly smoother or more matte, depending on the amount used. In most cases, the final finish still looks like standard paint.
Are they safe to use?
Yes. Hollow glass microspheres are chemically inert and non-toxic. They do not release harmful substances during application or after drying. Always wear basic protective gear like gloves and a mask when handling dry powder to avoid dust inhalation.
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