|
HS Code |
771059 |
| Product Name | KL8 Ultrafine Calcium Carbonate Powder |
| Chemical Formula | CaCO3 |
| Average Particle Size | 0.8 microns |
| Whiteness | ≥98% |
| Purity | ≥99% |
| Specific Surface Area | 5.2 m²/g |
| Bulk Density | 0.6 g/cm³ |
| Oil Absorption | 24 g/100g |
| Moisture Content | ≤0.2% |
| Ph Value | 8.5-9.5 |
| Hardness | 3 (Mohs scale) |
| Appearance | White ultrafine powder |
As an accredited KL8 Ultrafine Calcium Carbonate Powder factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | KL8 Ultrafine Calcium Carbonate Powder is packaged in a 25 kg white woven bag, featuring product name, specifications, and manufacturer details. |
| Container Loading (20′ FCL) | Container Loading (20′ FCL): 22 metric tons (MT) of KL8 Ultrafine Calcium Carbonate Powder packed in 25kg PP bags on pallets. |
| Shipping | KL8 Ultrafine Calcium Carbonate Powder is securely packaged in moisture-resistant, sealed bags or jumbo sacks, typically ranging from 25 kg to 1-ton capacities. Shipments are palletized for stability and transported via truck, sea, or air freight, ensuring product integrity during transit and compliance with safety standards for industrial chemicals. |
| Storage | KL8 Ultrafine Calcium Carbonate Powder should be stored in a cool, dry, and well-ventilated area, away from moisture, acids, and incompatible substances. Keep the container tightly sealed to prevent contamination and caking. Protect from physical damage and avoid dust formation. Store away from food and drink. Follow all relevant local and workplace regulations for safe chemical storage. |
| Shelf Life | KL8 Ultrafine Calcium Carbonate Powder has a shelf life of approximately 2 years when stored in a cool, dry, unopened container. |
Competitive KL8 Ultrafine Calcium Carbonate Powder prices that fit your budget—flexible terms and customized quotes for every order.
For samples, pricing, or more information, please call us at +8615365186327 or mail to sales3@liwei-chem.com.
We will respond to you as soon as possible.
Tel: +8615365186327
Email: sales3@liwei-chem.com
Flexible payment, competitive price, premium service - Inquire now!
Manufacturing calcium carbonate runs in our veins. Every batch reflects years of close work within our factories, not from generic commodity lists but directly from our processes. In the market, people use a broad term like “calcium carbonate” as if all grades belong on the same shelf. Any technician who’s looked at a microscope slide or optimized a coatings formulation knows that’s not the case. KL8 is our pride—the ultrafine calcium carbonate you won’t mistake for lower-grade fillers.
We produce KL8 starting from select high-purity limestone. Not just any quarry stone makes the cut—ours comes from traced, verified deposits. Processing runs through carefully-maintained ball mills and multiple grinding steps, followed by detailed air classification. Result: median particle size stays in the 1-2 micron range, and fines control beats what most suppliers ever present.
This product carries exceptional whiteness and controlled particle distribution. Paint manufacturers demand color clarity; paper mills count on fewer impurities; plastics processors value tight size dispersion. We’ve spent countless hours tuning the processes, not just to hit a number, but to create a powder that performs time after time. Having our own laboratory, our people reject outlying batches that don’t pass aggressive D50 and D97 benchmarks. Instead of bottlenecking output, we slow the line for quality—customers come to us because we follow those principles.
KL8’s main playground sits in high-end paints, coatings, ink, plastics masterbatch, sealants, adhesives, and even specialty paper applications. Some buyers approach us after being frustrated with fluctuating results—yellow tint, inconsistent gloss, clumping in their high-shear batches. These complaints aren’t theoretical; we've faced them ourselves during our early years. That’s why we keep drives on particle size control, moisture stability, and minimized oversize grains.
For film extrusion, KL8 mixes in cleanly; extruders run without interruptions from bridged fines or poorly dispersed agglomerates. In automotive paints or industrial coatings, the powder lays down smoothly without compromising finish quality. Even with high loadings, customers report better rheology—consistent viscosity means less surprise during scale-ups or product switchovers.
A lot of suppliers talk about “high purity” and “fine grind” like buzzwords. Walk our plant floor, and you’ll see real differences in moisture control and caking resistance. Raw stone selection goes through visual and chemical checks. Milling uses dedicated ceramic linings, so the finished powder doesn’t pick up trace metals that can kill product performance.
KL8’s residue on 45μm sieve runs consistently below the 0.3% mark—confirmed by ongoing sieve and laser diffraction analysis. That means a low risk of specks in your end products. Bulk density sits in the optimized range for pneumatic conveying and dust-free handling. Whether customers ask about addition in aqueous dispersions or high-speed extrusion lines, we walk with them through field trials, not just lab “showcase” results.
Paint formulators integrating KL8 see color performance soar. Hiding power, tint strength, and controlled reflectance—these aren’t just buzzwords in our business. Dispersing KL8 takes less energy, leading to lower power bills and less equipment wear. Paperboard manufacturers regularly comment on improved printability and smoothness. Ink makers see less nozzle clogging from oversized grains, reducing machine downtime.
Facing these plant realities everyday stimulates us to measure more, tweak recipes, and stay responsive. Shipping the KL8 line means more than just filling a bag; it’s about knowing your next batch won’t keep you up at night. Complaints about uneven flow or “off” powder color get traced back to the source, filtered out, and resolved. Consistency builds trust, and that trust shows in our repeat business.
Buyers often start with a generic micronized powder to cut costs, thinking all carbonate behaves the same. In daily production, they run into process headaches: color shift, poor dispersion, even excessive abrasive wear on their mixing blades. Our own technicians still recall early days struggling with raw powders, fighting poor coverage or slumping defects. Years of listening to both our teams and our customers led us to fine-tune KL8’s formula and grinding regimen.
KL8’s particle distribution sits much tighter than those “standard” grades, and the surface chemistry remains tailored through optimized drying and gentle packing. In plastics and ink, that translates to higher brightness and fewer rejects. In paints, the result isn’t just a whiter can; it’s reliably better coverage at lower use levels. Some industries use less clean mineral sources or skip on multi-stage separation. We stick with multi-pass air classifiers and advanced surface treatment options when required, because real-world results matter more than glossy spec sheets.
Over years of field work, we’ve seen customers transform their end products by adopting KL8. One ink factory traced chronic print-head blockages back to coarser filler pigs. They changed to our ultrafine powder and cut downtime in half. A plastics line reported improved extrusion rates, traced directly to better flow properties from finer, more consistent grains. A highway coatings project hit its reflectance benchmarks ahead of schedule, in part due to KL8’s brightness boost.
Painters—both industrial and decorative—comment on color consistency and batch-to-batch reliability. We remain in direct conversation with their quality teams, offering on-site support to fine-tune dispersion, wetting, and color development. This feedback doesn’t disappear into a black hole; it comes back into our process improvement plans each year. Our laboratory team devises stress tests that mirror what customers face, not just idealized conditions. So far, this commitment has helped us cut returned lots and raise satisfaction across the board.
Environmental responsibility remains a heavyweight topic for calcium carbonate producers. Extraction, grinding, and processing require water, energy, and careful waste management. We designed our plant for water circulation loops, so we curb runoff and recover usable fractions from slurry streams. Dust suppression systems keep the production floor cleaner and worker health front-and-center. Industry peers sometimes chase short-term profits by skipping these steps, but we’ve found that compliance and customer trust matter more for the long haul.
Carbon footprint reduction gets more attention each year. Our teams audit energy consumption, review kiln performance, and source green electricity where possible. While calcium carbonate processing carries a lower carbon profile than many synthetics, improvements never stop. We log emissions for every process step and work with downstream partners to share best practices, aiming to deliver a greener powder with every batch.
Manufacturing never stands still. Research teams from coatings, adhesives, sealants, and plastics come to us for trials, tweaking recipes to meet demands for enhanced color, weatherability, or film flexibility. We test KL8 across dozens of pigment systems, running accelerated aging and gloss retention trials. Each project sharpens our process control—whether it’s dialing in humectant compatibility or pushing the edge on D50 particle size.
You’ll find us at industry roundtables and technical panels, not just in sales brochures. Our engineers swap insight with supply chain managers facing clumping or de-mixing in bulk delivery. These conversations improve shipping logistics, optimize bagging, and spark new particle stabilization technologies for the future. By keeping a close link between operations, lab, and customer, we move fast when demand shifts or markets require greener, cleaner, finer products.
At the customer’s side, KL8 helps them hit targets for product quality, process efficiency, and sustainability. Adding KL8 to a paint or ink formula isn’t just ticking a box—it can mean the difference between meeting spec and a rejected batch, visible streaks or a flawless finish. We’ve seen downstream users cut titanium dioxide content on the strength of KL8’s opacity, dialing up cost effectiveness without sacrificing performance.
Supply managers trust that each KL8 bag mirrors the last. This shows up in fewer production stoppages, lower formulation costs, and customer teams free from concerns about defects or off-colors. Technical support stays woven into our delivery; we address issues on the factory floor, in real time, not just by phone or email. We measure our success by the complaints we no longer receive and the business that keeps returning, project after project.
Growth in paints, plastics, and sustainable packaging drives us to keep evolving. The vision for KL8 doesn’t rest—our team routinely pilots new dispersant blends, tries lower-energy wet grinding, and plugs new data monitoring into production lines. Sourcing stays vigilant, with teams researching cleaner mine sites and working with upstream partners for full traceability. Every time a customer raises the bar, we dig deeper for solutions.
Global competition creates pressure to drop standards or blend lesser feedstocks for a price edge. Our answer: double down on quality control, transparency, and technical service. Inside our factory, fines content gets flagged before reaching packing, and whiteness measurements run every shift. Outside, our trucks match buyers’ real delivery schedules, no matter how fast the market moves. These choices draw in customers who weigh reliability as heavily as price.
Behind each kilo of KL8 stands a team with real skin in the game. Our people know the feel of the powder, the hum of the mills, and the expectation for zero defects. New batch? Every sample crosses several sets of eyes, from lab techs to line supervisors. Troubleshooting happens on the floor—not by spreadsheet, but by hands-on investigation and direct fixes. Experience tells us a powder isn’t just white and fine—it's a promise to every painter, printer, and compounder who builds with it.
KL8 isn’t an accident of supply. Our methods shape every grain, from raw stone to finished sack. We keep learning from the market, investing in smarter process controls, and tracking trends in performance and sustainability. Our partnerships with customers go well beyond the loading dock. When a production line hiccups, we’re on the phone; if a chemist needs a new grade or treatment package, samples leave the next morning. That’s the daily reality of manufacturing, not marketing gloss.
As new standards and regulations emerge for paints, plastics, and building materials, we stay proactive. Compliance isn’t an afterthought; environmental and safety reviews shape our batch sheets and maintenance plans. Technical documentation—batch COAs, third-party test reports—comes out of our labs, not off the Internet. This effort pays off: we catch and correct issues before they reach the end user, and our reputation grows with fewer issues and stronger word-of-mouth.
We believe every end customer deserves the best, whether ordering a single pallet or a thousand tons. KL8 reflects that goal: a powder tuned by hands-on practice, offered with direct technical backing, and measured against results in the field. We take pride in being genuine manufacturers, not just repackagers of someone else’s product. Each delivery aims to help our customers add value, solve problems, and raise their own standards.