| HS Code | 437437 |
| Product Name | Hollow Glass Microsphere H15 |
| Appearance | White and Good fluidity |
| True Density | 0.13~0.17g/cm³ |
| Particle Size D50 | 50~60μm |
| Crush Strength | 3.4Mpa/500Psi |
| Flotation | ≥99% |
| Moisture | ≤0.5% |
| Ph Value | 7-9 |
As an accredited Hollow Glass Microsphere H15 factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | The Hollow Glass Microsphere H15 is packaged in 10kg,13kg, 15kg,20kg carton;100/180/200kg bag |
| Container Loading (20′ FCL) | Container Loading (20′ FCL): Hollow Glass Microsphere H15 is packed in 10kg bags, totaling 900kg per pallet, 9 pallets per container. |
| Shipping | Hollow Glass Microsphere H15 is typically shipped in sealed, moisture-resistant bags or drums to prevent contamination and maintain product integrity. Packaging is securely placed on pallets and clearly labeled as fragile. During transit, care is taken to avoid excessive vibration and compression, ensuring safe arrival in optimal condition. |
| Storage | Hollow Glass Microsphere H15 should be stored in a cool, dry, and well-ventilated area, away from moisture, heat, and sources of ignition. Keep the containers tightly closed when not in use to prevent contamination. Avoid crushing or excessive mechanical stress, as the microspheres are fragile. Store in original packaging and avoid contact with incompatible substances or strong acids. |
| Shelf Life | Hollow Glass Microsphere H15 typically has a shelf life of 24 months when stored in a cool, dry, and sealed container. |
Hollow Glass Microsphere H15 supports precise engineering applications, functional fillers, and advanced composites in several leading industrial sectors. As a direct manufacturer, we provide consistent batch quality for demanding formulations and downstream integration.
Automobile OEMs and Tier 1 suppliers use H15 microspheres to lower density and improve dimensional stability in interior panels, instrument housings, and exterior fascia components. Its inert chemistry persists through compounding under high-shear, thermoplastic extrusion lines, and injection molding cycles. Target markets leverage H15 to meet lightweighting targets, enhance fuel economy, and achieve class-A surfaces without the risk of warpage or sink marks typical of conventional fillers.
Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
H15 grade microspheres improve hydrostatic stability and compressive strength in syntactic foam blocks and coatings for subsea buoyancy modules. Offshore engineering contractors employ this advanced filler to maintain buoyancy under extreme pressure, supporting riser floats, pipeline insulation, and tool deployment modules in oilfield operations. Our continuous grading and QC minimize out-of-spec particle populations, enabling reliable foam uniformity for long service-life environment exposure.
Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
Building material manufacturers utilize H15 for weight-reduction and thermal insulation performance in gypsum boards, cementitious panels, and intumescent coatings. The stable silica composition allows easy incorporation into slurries and pre-mix powders, producing panels with improved fire ratings alongside reduced handling weight and better thermal resistance, without compromising mechanical properties or regulatory fire safety performance required for architectural use.
Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
Formulators use H15 for functional results in protective, marine, and architectural coatings. Its narrow particle size and strength create matte finishes, increase volume solids, and lower dry film density to optimize coverage and dry times. These benefits are crucial in marine paints, anti-corrosive primers, and environmentally compliant low-VOC topcoats. Inclusion of H15 enables thick build without sag or shrinkage, while maintaining specular and diffuse light control in coating finishes.
Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
H15 assists in achieving precise rheology and controlled shrinkage for thermosetting epoxy adhesives and silicone sealants in electronics production. Manufacturers value its high compressive strength for void filling and gap control in underfills and potting compounds. The narrow size range supports automated dispensing processes for PCB assembly and sensor encapsulation, helping meet reliability, dielectric, and outgassing parameters under IPC and UL standards.
Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
Manufacturers of advanced sporting goods exploit H15 microspheres to tailor flexural modulus and lower the finished density of thermoplastic and thermoset components. Their pressure-resistance and low thermal conductivity benefit surfboard blanks, bicycle frames, and racket cores, allowing lower resin consumption and faster cures. Processing units blend the material into closed-mold composites or pre-impregnated sheets, enabling performance upgrades without compromise on durability or regulatory claims for product safety.
Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
Feature
Pure white color, Hollow Glass Microsphere can be widely used in products which have high requirements for looks and colors.Low density, reducing the products’basic weight obviously after filling. (the density of HGS is one out of a dozen of traditional filler particles' density). Relatively large volume, which can substitute and save more resins, reducing cost.High dispersion and good fluidity, dimensional stability, reduced warpage and shrinkage when used as additives.Heat insulation, sound insulation, mostly used as heat insulation paints and coatings, automotive sealants.In addition, corrosion resistant, fire resistant, non-conducting.
Competitive Hollow Glass Microsphere H15 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!
Every batch of Hollow Glass Microsphere H15 that rolls out of our line comes from the hands and eyes of professionals who spend their days measuring the details that matter. Over years of trial, adjustment, and feedback from end-users, we’ve shaped H15 into one of our most reliable microspheres, intended for those who value controlled performance over wild claims. We tune our process for consistency, making sure the bulk density of H15 lands right where users asked us to aim—delivering a typical range that supports predictable formulation in lightweight panels, syntactic foams, and advanced building materials.
H15 shows what controlled glass chemistry can do when you anchor it in practical, daily production, using high-purity borosilicate as the backbone. From the start, this model was about producing stable microspheres with low soda content, increased crush strength, and a clean, almost chalk-white color. The shape and wall thickness get checked more than once on every cycle, because our workshop learned early that these little differences flatten or skew a whole run of composite panels.
We chase regularity because each customer batch expects the same loading, viscosity, and flow from the previous order. Some competing lines cut corners or blend leftovers, causing dust, yellowing, or unpredictable performance. Our team hand-screens for off-color batches and sends anything under spec back to remelt.
In practice, the H15 range centers at a true mean particle size shaped for easy incorporation into resins and cement. This cuts foaming difficulties downstream and keeps the mixing window wide for fast-moving lines. The density fits the sweet spot favored by toolmakers and casting shops—practical for those pushing lightweight, but not so feathery that handling turns into a mess or the particles separate out.
Crush strength always rises as operators push for thinner panels or lows on binder percentage. H15 manages high compressive strength without the fragile, brittle feel of cheaper microspheres. This keeps loss rates down and panels within spec longer. Over-powdered microspheres, on the other hand, shrink and fracture in pressure steps, releasing fines and causing pinholes in finishes.
Each H15 sphere wall gets measured for uniformity—our line leans hard on frequent microphotography. Even a small wall thickness variation grows into a visible issue during curing or heating cycles. Polyurethane and epoxy processors reported early on that lesser products left excessive voids as they reacted to hardener, so thickness became a non-negotiable variable long ago in our plant.
Working with these glass microspheres isn’t always as easy as some datasheets suggest. H15 was developed to pour, scoop, and convey without filling the air with floating dust, addressing a problem we see every day with lighter, more friable microspheres. Standard equipment handles the powder without extra add-on feeders or breathing masks for operators—this matters for plant safety, which shows up regularly during audits. Dust minimization cuts cleaning and avoids compliance headaches.
Mixing H15 into resin, rubber, or thermoplastics means less time fighting paste separation. Small improvements in bulk flow prevent downtime, even in big automated tanks, so line managers see time savings in every cycle. Hand workers in cast polymer shops have less drift and clumping—our feedback from adhesives makers backed this, noting stronger visual clarity and better tint control compared to older models that clumped up during mixing.
Spray foams, syntactic composites, and lightweight panels all deal with pressure, heat, and time pressure. Over the years, we realized cheap glass microspheres from resellers break down fast or agglomerate, filling fines in the final matrix and turning a lightweight design heavy. H15, sourced direct from our own controls, carries lower moisture and stays inert—this prevents degradation and avoids surface blisters during curing.
During foam mixing or molding, temperature control fluctuates fast. Inferior microspheres often shatter or fuse, contaminating the batch. H15 keeps its integrity under both mild and moderate thermal loading without leaching or turning yellow. This stability has proven critical for steady color, especially in aerospace panels and decorative applications, where end users scrutinize every square inch.
Direct users in advanced composites and industrial fillers keep us honest—these are the customers sending parts to vibration, drop, or UV-exposure tests months after delivery. H15’s smooth surface—achieved through fine adjustments in our kiln’s oxygen and temperature profile—lets filled systems pass batch-to-batch adhesion and impact checks. Standard hollow glass fillers sometimes flash yellow or even degrade under prolonged exposure to sunlight or water, turning what looked like a cost saving into a warranty problem later.
Automotive panel makers looked for a way to cut weight on interior trim without inviting new noise or vibration issues. H15 enabled panels light enough for modern fuel or EV specs but resilient to pressure washing and rapid temperature cycling in service. Molded parts using H15 finish to a non-porous, fine-texture face—helpful for subsequent painting and bonding.
Tooling shops favor H15 for the way it spreads under vibration, filling fine mold details without requiring aggressive stirring or extra wetting agents. Less rejection and rework turned up consistently for users who switched from off-spec, uneven filler. These savings accumulate more than line item costs—they show up in less unplanned downtime and improve plant productivity in real terms.
Every so often, we get to see what happens when a project goes wrong. Construction sites and marine panel builders bring us examples where alternative fillers, selected for short-term price, created crumbling edges, joint creep, or unwanted bulking. Some even leave the mixer tank caked with residues that take costly solvent or mechanical scraping to clear.
H15’s chemistry, checked by both automated and manual QA in our line, delivers lower leachable alkalis and total inertness in aggressive resins or alkaline mortars. This means panels use less additional surfactant or anti-blistering agent, as confirmed by customer-commissioned lab tests. Fillers with random size ranges and uncontrolled surface roughness, by contrast, eat up additives and raise total material price over each job.
Being the manufacturer, not a distributor or spec-sheet author, comes with clear responsibility. We don’t shop for third-party toll blends or accept job-lot shipments; every kilogram of H15 starts and finishes in a single roof’s oversight, so nothing is left to question. End-user trials, rework claims, and confidential processing tweaks all loop straight back to our technical team, letting us spot production drift fast and recover the line before an off-batch moves downstream.
We spare no detail on traceability, tracking each production lot to furnace run. Because of this, we can answer audit or customer queries in days, not weeks. Unlike traders, we do not play games moving shipments around, which keeps inventory and certificate records straightforward for both us and our customers’ regulatory teams.
Demand has shifted for lighter weight components, clean optical properties, and stricter fire and smoke performance. H15 adapts by responding to operator and end-user feedback—real change comes from seeing microsphere performance in practice, not theory. We have adjusted composition and wall thickness to suit new pre-preg composite flows, capturing the needs of evolving aerospace and EV battery casings.
In infrastructure panels, bridge deck compounds, or advanced fireproofing boards, the lower alkali content and higher temperature stability in H15 allow designers to push lighter builds without sacrificing fire class or mechanical security. We maintain regular pilot-line trials with leading users who benchmark new product lines on H15: this feedback influences every process tweak, whether to support new sprayable foam ratios or improved water-resistance in exposed external panels.
Sustainability and safety expectations grow each year. We focus not just on final product totals, but also on what our operators and customers experience day to day. H15’s controlled particle sizing and narrow distribution mean safer handling during filling, transfer, and cleaning—it proves easier to contain during plant wash-down and does not foul up collectors with oversized shards.
The energy cost of air classifying and remelting out-of-spec fractions cuts waste and keeps emissions lower. We invest in baghouse and exhaust filter upgrades to minimize glass dust, aiming to exceed both local workplace ordinances and customer internal standards. Worker health and downstream safety appear so frequently in industry discussions that overlooking this aspect would compromise trust and repeat business.
Shipping H15 bulk minimizes packaging waste, as drums, FIBCs, and sacks stay clean and ready for plant return or recycling. We periodically run lifecycle checks with the input of our own plant team—these findings guide which supply and packaging adjustments matter most to real operations, not just to marketing brochures.
For a long time, filler choice meant taking whatever was available and making do with its quirks. With H15, production teams stress less about whether the next load will cause settling, dusting, or coating defects. They stop mixing in extra plasticizer or bulking agent to compensate for low-grade filler. Instead, line settings and recipes settle, and quality checks see fewer surprises per year.
Our most loyal users mention process peace of mind. They rarely call with the repeat headaches that dogged older tools. For them, consistency saves more money and time than chasing the short-term price win. H15, tuned by direct hands-on experience, builds confidence in both materials and plant performance, one batch at a time.
