| HS Code | 818968 |
| Material | Soda-lime glass |
| Shape | Spherical |
| Color | Transparent or translucent |
| Hardness | 6-7 Mohs |
| Density | 2.4-2.6 g/cm³ |
| Diameter | 0.1 mm to 5 mm |
| Surface Finish | Smooth |
| Chemical Resistance | Good |
| Bulk Density | 1.5-1.6 g/cm³ |
| Roundness | ≥ 0.92 |
| Crushing Strength | 450-600 N |
| Thermal Stability | Up to 500°C |
| Purity | ≥ 70% SiO2 |
| Wear Resistance | High |
| Magnetic Content | <0.1% |
As an accredited Grinding Glass Bead factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | In 25kg, 1000kg pp bag |
| Container Loading (20′ FCL) | Container Loading (20′ FCL): Grinding Glass Bead packed securely in 20-foot containers, maximizing load capacity, ensuring safe transport, and minimizing product damage. |
| Shipping | Grinding Glass Beads are securely packed in sturdy, moisture-resistant bags or drums to ensure safe transit. Shipments are typically made via road, sea, or air, depending on customer location and urgency. Packaging prevents contamination and mechanical damage. Handling instructions and safety data sheets are included with each consignment. |
| Storage | Grinding Glass Beads should be stored in a cool, dry, and well-ventilated area, away from moisture, acids, and other reactive substances. Keep containers tightly closed when not in use to prevent contamination or accidental spillage. Store in a designated chemical storage area, on sturdy shelves, and ensure the containers are clearly labeled for easy identification and safe handling. |
| Shelf Life | Grinding Glass Bead typically has an indefinite shelf life if stored in dry, clean conditions, avoiding moisture, contaminants, and excessive humidity. |
Instruction
1.Choosing the appropriate variety,standard and quantity glass beads according to the viscosity,hardness, dispersed particle size of grinding materials(abrasive materials) and grinding requirements.
2.Before grinding,clean the glass beads and grinding machine barrel inner wall
3.First put the materials need to be ground into the grind machine barrel,then put into right quantity glass bead. After the grinding machine running,gradually add the glass beads. Usually the filling quantity is 70%-85% of the grinding machine barrel volume.
4.Do not make the glass beads operate for a long time in the condition of the grinding machine are lake of materials.Or the glass beads will be mashed easily in the high speed operating grinding machine.
5.Adding glass beads properly after operating for a period to guarantee the grinding quality and efficiency.
Physical property | |
Item | Index |
appearance | colorless transparent sphere, smooth and round, no obvious bubbles or impurities |
Roundness | ≥90% |
density | 2.5g/cm3 |
Refractive index | ≥1.50 |
Chemical composition | Soda-lime glass SiO2>68% |
Mohs hardness | 6-7mohs |
Mechanical properties (Compression strength) | 3300kg/cm2 |
Micro hadness (Indentation hardness) | 8000kg/cm2 |
Acid resistance | Weightlessness 0.005mg/cm³ (boiled 4 hours in 20% HCL solution) |
Alkali resistance | Weightlessness 0.3mg/cm³ (boiled 4 hours in 1% NaOH solution) |
Specification | |
NO. | Diameter(mm) |
1 | 0.8-1 |
2 | 1-1.5 |
3 | 1.5-2 |
4 | 2-3 |
5 | 3-4 |
6 | 4-5 |
7 | 5-6 |
Competitive Grinding Glass Bead prices that fit your budget—flexible terms and customized quotes for every order.
For samples, pricing, or more information, please contact us at +8615380400285 or mail to sales2@liwei-chem.com.
We will respond to you as soon as possible.
Tel: +8615380400285
Email: sales2@liwei-chem.com
Flexible payment, competitive price, premium service - Inquire now!
At the core of every successful grinding process, material selection plays a major role in performance, cost, and maintenance. After years of manufacturing ceramic, steel, and glass media for countless mills and coating lines, our team has seen firsthand the subtle differences a well-made glass bead brings to production.
Choosing our Grinding Glass Bead reflects decades of improvement in consistency, particle integrity, and purity. These beads don’t come straight off a generic assembly line. Each batch follows a strict batch melting process, creating high-silica glass that withstands acid and abrasion cycles. Surface polishing steps after melting help unlock the full potential for both separation and flow, keeping your machines running and your yields high.
Sizes begin at microbead 0.1 mm, moving to 3 mm and up for various needs. Density lands between 2.45 and 2.5 g/cm³, closely matching the expectations for high-impact applications. These dimensions were not chosen at random; they track real wear testing in paint plants and ink facilities. Shafts last longer, screens clog less, mill pressure remains stable, and operators spend less time on maintenance washouts.
Customers in pigment dispersal and fine chemical production repeatedly ask for our low-debris formula. The process skips any post-melt acid pickling, instead using proprietary cleaning and screening to keep abrasives, fines, and dust out. With every production lot, our team verifies particle roundness through image analysis and self-developed sphericity index checks. These practices reflect not just laboratory targets but feedback from operators dealing with filter blockages or pin failures on third-party media.
Factories have called on these beads for everything from technical ceramics, electronic grade slurries, and high-gloss automotive finishes, to cosmetic pigments and agricultural surfactants. The importance of strong glass comes out in batches exposed to alkaline paints and resins. Chemical stability keeps color contamination off the table and safeguards coatings or dispersions from picking up unwanted haze.
On vibro-energy mills, bead breakage rates determine cleaning frequency. Unlike many suppliers who repack recycled or off-spec glass, we reject flawed raw batches outright. In machines running at up to 15 meters per second, our own wear trials have mapped out the fracture line limit, letting users stretch throughput and reduce cleaning costs.
A production shop grinding pharmaceuticals cannot risk even slight leaching or microcracking from their grinding media. By avoiding heavy-metal additives or reclaimed glass scrap, our beads have regularly passed extractables analysis and cytotoxicity screenings for regulated goods. Users in medicine, electronic pastes, and food-contact settings benefit, but we see the payoff most sharply during multi-shift high-purity runs: operators tell us filter life stretches out and there’s no off-odor.
No two grinding jobs demand the same ingredient. From our view inside the plant, it’s clear why glass beads address reliability gaps left by steel, ceramic, or natural sand.
For technical-grade dispersions, users select glass beads to strike a balance between cost, process hygiene, and output. It’s the material of choice where flash rust from steel must be avoided, where the expense of complete ceramic replacement makes the economics unrealistic, and where any contamination invites serious penalties. Chemical plants mixing epoxy colors for marine coatings, for instance, rely on these beads to prevent unplanned downtime or out-of-spec batches that can ripple delays through an entire supply chain.
Staying ahead of shifting technical standards keeps a manufacturer accountable to every operator and production manager depending on our media. Our lab partners with outside facilities to run accelerated lifecycle and attrition tests. More importantly, we make frequent on-site visits, tracking operators’ feedback when they swap out other beads for our batches.
Long-term users point to stable viscosity readings and ease during cleaning as key benefits. In one pigment ink plant, switching to our model BBG 2.0 mm dropped the average downtime for filter changes by 40 percent, as operators no longer had to chase rogue splinters or fines. Chemical resistance testing against aggressive solvents—another industry concern—shows unblemished results, with beads retaining surface integrity across hundreds of cycles.
Equipment manufacturers send their new horizontal mills and basket mills to our shop for qualification trials. These hands-on partnerships give us early warning on emerging mill trends—such as finer slurries, higher rotational speeds, and more complex wet-out chemistries. Glass bead sizing and density continue to balance throughput and shear, at costs operators find manageable.
The glass beads coming from our lines meet both internal and third-party toxicity standards. Our glass batches avoid heavy metals and radioactivity risks, safeguarding workers as well as end-product purity. Unlike lower-quality glass that draws fuel oils or colorants from industrial waste, we stick to pure soda-lime or borosilicate blends. Operator handling becomes safer, and disposal after use counts as inert, non-leaching waste under most country codes.
Noise levels in beadmills also see noticeable impacts from media selection. Ceramic and steel both amplify operating sound, which increases the need for hearing safeguards. Operations who make the shift to glass tell us that audible dB readings in the grinding room drop sharply, making training and compliance easier.
For newer plants exploring media alternatives, our engineers offer direct advice on matching bead model and mill type. Experienced teams already know the questions to ask: which batch processes risk cross-color leaching, how do media changeovers track with production windows, and how can performance issues get resolved before output drops? We welcome these conversations and keep records of every challenge, feeding improvements back into our daily operations.
As a manufacturer, seeing a plant return to us after cycling through third-party beads—citing downtime and off-spec product headaches—serves as the sharpest lesson. No shortcut in glassmaking or finishing can make up for gaps in raw material tracing, or for ignoring feedback from the factory floor.
Modern coatings shops rarely stay static in their requirements. For one major ink producer, the move to digital pigments meant far tighter tolerances on bead size and roundness. Generic glass beads began causing pigment agglomeration. Our switch to tighter sieving controls and extra steps in thermal polishing helped the customer drive yield up by nearly double, with filter replacement dropping below the national industry average.
In a facility manufacturing optical films, microcracking and glass powder contamination from budget media led to measurable haze in the final sheet. Our high-silica glass, which leaves no surface microcracks under production pressure, solved this defect. Over multiple years running audits on site, management reported more than 20 percent less rejected product from particulate contamination.
For one client mixing battery-grade carbon slurries, electrical conductivity of the milling media caused erratic black speck counts in the output. Switching away from steel and coated ceramic to our glass beads meant not only cleaner blends but also zero downtime for media rust checks through seasonal humidity changes.
Our role doesn’t stop at the dock. We field regular feedback from OEMs adapting their designs for higher mill speeds and tighter bead packing densities. Whenever a plant needs a prototype batch for line trials, we prioritize quick turnarounds and share our in-house trial records. Collaboration sometimes means real-time site support during changeovers, so that any snag gets attention before it disrupts the process.
Production runs involving new resin chemistries or high-purity pigments often carry unknowns. R&D support from our manufacturing side means custom lot sampling and rapid lab analysis to adapt bead parameters on the fly. We see value in not just filling orders but helping plants nail down reliable, reproducible batch quality every time.
No batch succeeds without repeatable performance. By standardizing glass sourcing and employing automated visual sorters, we prevent outlier beads from making their way into customer shipments. Technicians monitor production 24 hours and run random destructive testing to catch invisible fractures, avoiding unexpected bead failures in customer lines.
Downtime chews into margins quickly; frequent bead changeouts multiply headaches from scheduled and unscheduled cleaning. Low-dust, well-rounded beads translate to less pump abrasion, longer seal life, and a cleaner process from tank charge to mill drain. Based on records gathered from some of the highest-volume fillers in the coatings industry, switching to precision-made glass has saved thousands of operator hours yearly.
Our plant’s direct feedback loop means lessons learned in challenging jobs—like de-agglomerating graphite or masking reactive surfaces—drive the beadmaking plan for every shift that follows. No distributor or third-party has the hands-on view of production pain points, machine compatibility, and field durability that a manufacturing core possesses.
The grind shop keeps evolving, whether from the push for nano-scale dispersions, tougher regulatory rules, or client demands for longer equipment lifespans. As automation spreads and raw material standards tighten, high-quality glass beads forge new ground not through marketing claims but through proven, recorded plant outcomes. In the end, real-world success isn’t about who claims the most features, but about keeping mills running, minimizing rework, and earning a plant manager’s repeat call—not as a last resort, but as a trusted partner.