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 Glass filter media glass sand 0.4-0.8mm for water treatment of swimming pool
Glass Filter Media– 0.4– 0.8 mm for Swimming Pool Water Treatment
What It Is
This product is high-quality filter media made from recycled glass. The grain dimension varies from 0.4 to 0.8 millimeters . It replaces traditional silica sand in swimming pool filtration systems. The glass is processed to be smooth, uniform, and free of sharp edges. This assists protect your filter devices and improves cleaning efficiency.
Exactly how It Works
Water streams with the glass media inside your filter tank. The tiny, constant grains trap dirt, oils, algae, and various other little particles. Due to the fact that the glass surface is smoother than sand, particles does not stick as securely. This implies your filter stays cleaner longer and backwashes much less often. Less backwashes save water and reduce chemical use.
Key Perks
Better Filtering: Glass media captures fragments as small as 5 microns– much finer than standard sand. Your swimming pool water remains more clear and healthier.
Long-Lasting: Unlike sand, which damages down gradually, glass media lasts as much as ten years without losing shape or efficiency.
Eco-Friendly: Made from 100% post-consumer recycled glass. It’s secure, safe, and minimizes landfill waste.
Cost-Efficient: Much less constant backwashing cuts water, power, and chemical costs. You additionally change the media far much less often than with sand.
Setup & Use
You can use this glass media in most sand filters without altering your system. Simply comply with the manufacturer’s directions for replacing old sand. Load the filter storage tank to the suggested level. Backwash after first use to remove any great dirt. After that, normal procedure begins. Constantly wash completely prior to swimming.
Security & Handling
The glass is tumbled and cleaned up to get rid of sharp fragments. It is risk-free to take care of with handwear covers. Store in a completely dry location far from moisture. Maintain packaging sealed when not in use.

Applications of Glass filter media glass sand 0.4-0.8mm for water treatment of swimming pool
Why Use Glass Filter Media in Your Pool?
Superior Filtration with Glass Sand 0.4– 0.8 mm
Glass filter media made from recycled glass uses a cleaner, smarter means to keep your swimming pool water clear. The grain dimension of 0.4– 0.8 mm is optimal for trapping tiny fragments that regular sand may miss. This implies your swimming pool remains cleaner longer, with much less effort.
Unlike typical silica sand, glass media has smooth, angular sides that create even more area. This assists catch dirt, oils, and great particles better. Water streams through it quickly, which minimizes pressure accumulation in your filter system. Because of this, you get better water clearness and lower energy usage.
Glass media lasts much longer than sand. You will not need to replace it every few years. Most customers report it works well for five years or even more without shedding efficiency. That conserves money and lower upkeep time.
An additional large plus: glass doesn’t clump or network like sand can. Directing takes place when water locates very easy paths via the filter, leaving some locations extra. With glass, water spreads uniformly, so every bit of the media does its job. This offers constant results every time your pump runs.
Since it’s made from 100% recycled glass, this filter media is likewise green. It keeps waste glass out of garbage dumps and utilizes less sources in time compared to extracting new sand.
Switching from sand to glass is straightforward. Simply drain your filter, get rid of the old sand, and add the glass media. No added components or changes are needed. The majority of pool owners observe more clear water within days.
Usage glass filter media 0.4– 0.8 mm if you want cleaner water, fewer backwashes, and a greener choice for your swimming pool. It’s a practical upgrade that functions quietly in the background– so you can enjoy your swimming pool without concern.
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 Glass filter media glass sand 0.4-0.8mm for water treatment of swimming pool
Frequently Asked Questions About Glass Filter Media (0.4–0.8mm)
What is glass filter media?
Glass filter media is made from recycled glass that has been cleaned and crushed into small, uniform grains. The 0.4–0.8mm size is ideal for filtering pool water. It replaces traditional sand in swimming pool filters.
Why choose glass over regular sand?
Glass media traps more dirt and debris than sand. Its smooth surface stops fine particles better. You will backwash less often. That saves water and keeps your pool clearer longer. Glass also lasts longer than sand—usually 5 to 10 years.
Is it safe for my pool and family?
Yes. This glass is processed to be non-toxic and chemically inert. It does not affect water chemistry. It will not scratch pool surfaces or harm swimmers. All sharp edges are removed during manufacturing.
How do I install glass filter media?
First, turn off the filter system and drain the tank. Remove old sand completely. Rinse the tank if needed. Pour in the new glass media to the recommended level—usually marked on the filter. Do not overfill. Reassemble the filter and run a short backwash cycle to clean any dust.
Does it work with my existing filter system?
Yes. Glass filter media works in most sand filters without changes. Just replace the sand with the same weight or volume of glass. Check your filter manual for exact fill amounts. No extra parts or upgrades are needed.
REQUEST A QUOTE
RELATED PRODUCTS
INCI CALCIUM SODIUM BOROSILICATE/Fiber Glass Wool Hollow Glass Microspheres CAS 65997-17-3 SKIN CARE
Factory whole borosilicate glass beads hollow glass microsphere micro beads s for filing
Low density HOLLOW GLASS MIRCOSPHERES FOR Emulsion Explosives
Origin supply 325 mesh potassium feldspar powder glass manufacturing electrode ceramic addition
Spherical Shape Hollow Glass Beads Hollow Glass Ball Hollow Glass Spheres for Anticorrosive Coatings

