|
HS Code |
721104 |
| Product Name | CR-501 Titanium Dioxide |
| Chemical Formula | TiO2 |
| Appearance | White powder |
| Crystal Structure | Rutile |
| Specific Gravity | 4.1 g/cm³ |
| Oil Absorption | 18 g/100g |
| Average Particle Size | 0.25 μm |
| Surface Treatment | Zirconium and Aluminum |
| Purity | ≥98% |
| Ph Value | 6.5 to 8.0 (aqueous solution) |
| Tinting Strength | ≥1920 (comparison with standard) |
| Residue On Sieve 45μm | ≤0.05% |
| Volatile Matter At 105c | ≤0.5% |
| Dispersibility | Excellent |
| Cas Number | 13463-67-7 |
As an accredited CR-501 Titanium Dioxide factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | The CR-501 Titanium Dioxide is packaged in a sturdy 25 kg white kraft paper bag featuring blue labeling and a secure inner liner. |
| Container Loading (20′ FCL) | Container loading (20′ FCL): CR-501 Titanium Dioxide is packed in 25kg bags, 20 metric tons per 20-foot container, palletized. |
| Shipping | CR-501 Titanium Dioxide is shipped in sealed, multi-layer kraft paper bags with polyethylene liners, each containing 25 kg net weight. It should be stored in a cool, dry place, protected from moisture and contamination. Handle with care to prevent bag damage; avoid inhalation of dust during handling and transportation. |
| Storage | CR-501 Titanium Dioxide should be stored in a cool, dry, well-ventilated area, away from direct sunlight and moisture. Keep the container tightly sealed to prevent contamination and absorption of odors. Avoid storing near incompatible substances, such as strong acids and bases. Ensure proper labeling and handle with care to minimize dust generation during storage and handling. |
| Shelf Life | CR-501 Titanium Dioxide has a shelf life of 24 months when stored in a cool, dry, and well-ventilated area. |
Competitive CR-501 Titanium Dioxide 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.
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Tel: +8615365186327
Email: sales3@liwei-chem.com
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CR-501 titanium dioxide isn’t just a familiar chemical name in our plant—this product stands at the intersection of chemistry, consistency, and the realities of industrial need. As someone engaged in the daily operations, I’ve watched requirements for brightness, covering power, and stability in end products climb year by year. CR-501 grew from practical feedback: batch-to-batch predictability, straightforward handling, and strong finished qualities for critical coating and plastic applications.
Every new product starts as a problem we need to solve. In-house, we saw paints lacking hiding power, plastics yellowing under direct sun, and inks fading too quickly. The lab ran hundreds of tests focused on these shortcomings. We measured reflectivity and dispersion, not on paper, but in actual field products—the sort our own neighbors use. CR-501 emerged after retooling our calciner and surface treatment lines to find the balance between particle size and surface treatment. Skill and patience drove us past the point where product differences mattered on a spec sheet and into territory where they changed outcomes for the downstream manufacturers.
CR-501 has a specific approach to particle fineness, which improves not just whiteness, but also results in fewer problems with shade shift or opacity loss. Some competing grades try to push brightness numbers higher by tinkering with additives, but this often leads to clumping or difficult dispersion during mixing. Our method of controlling crystal structure means fewer surprises during large-batch processing. Out on the floor, the result is color lines running longer before cleaning, fewer rejects off the extruder, and less downtime overall.
Several resin manufacturers have mentioned that switching to CR-501 cut their cycle times. They didn’t have to adjust feed rates or fight streaks and pinholes as they changed from one colored batch to another. The chemical team here attributes this to our approach to surface coating, which avoids overly hydrophobic surfaces that can float and create specks in film. Widely used grades take shortcuts—shorter coating times, less demanding feed stocks—but we insist on monitored thermal treatment and stable raw inputs. If it costs a bit more to buy the right ore or extend processing time, we pay it because otherwise, our operators spend all night trying to clean out filters.
Sifting through customer complaints has taught us more than any marketing survey. Dispersibility and chalk resistance often outrank brightness in real-life concerns. For this reason, CR-501 standardized on a rutile structure, which prevents chemical breakdown when exposed outdoors. The final product's oil absorption and moisture content never stray far from prescribed values—each production run faces in-line testing for this. Overly dry pigment dusts up, wastes materials, and affects batch scales, so we control drying tight enough to avoid shrinkage without promoting static. That’s experience translated to action.
Our workers roll out every batch in controlled heat and humidity zones, tracking not just the finished product, but the air it dries in. We compare gloss and tint tests against reference standards pulled from real-world end products. These are not just numbers; they come from observing what painters, extruders, and print houses want from their pigments. People may dismiss this as routine, but it’s the bedrock of trust. Excessive rutile or too much organic coating can make some pigments sticky, failing practical grind evaluations even if the initial whiteness appears fine.
In our sector, field performance trumps lab data. Distributors often send back feedback we sort through personally, looking for trends. Maybe one region’s powder coaters have cracking issues during drying; somewhere else, packaging customers note yellowing at high shelf-life temperatures. Between each order cycle, technical service gathers pigment samples used in those environments and analyzes them for the failure modes.
We rebuilt the CR-501 process several times to address these practical problems. Adjustments included tweaks to the pH of post-treatment baths, modifications to calcination temperature curves, and the introduction of unique stabilizers that prevent light-induced degradation. These changes came from hands-on research, not pressure to save on cost. Documented case studies now show CR-501 holding a cleaner shade in PVC siding left under Mediterranean sunlight for a year, while a nearby control exposed to the same weather ends up pale and brittle.
Inks require different behavior; our factory’s ink-line customers demanded not just strong opacity but also resistance to abrasion on packaging lines. For them, we formulated a tighter sieve curve to minimize oversized particles. They reported fewer nozzle blockages and less color shift under UV curing.
At a chemical manufacturing scale, consistency becomes a daily challenge, not a checklist item. Our team sets aside part of every run for cross-checks—testers keep an eye out for particle size drift, off-shade batches, or changes in moisture retention. Years ago, we faced a linewide drop in final product gloss because the winter environment was drying the water jacket around the final driers. An environmental sensor upgrade and tighter logbook routines allowed recovery in a single production week, avoiding any market recalls.
Competitors sometimes offer lower-cost substitutes, marketing based on initial brightness tests. That’s not enough for our partners producing commercial packaging, medical plastics, or specialized coatings. Cheap grades lose their edge after a few weeks in harsh conditions. Repeatable results and reputation matter more; customers trust CR-501 because we provide transparent quality logs and years' worth of STDEV readings, not just averages. Having everything from the ore mine to post-process warehouse under one internal system makes this possible—one team, accountable results.
Every application comes with its own headaches. In PVC-profile extrusion, raw pigment needs to blend without causing static clumps or burn marks. The manufacturing process for CR-501 targets these challenges by focusing on how the product actually flows, mixes, and performs in loaders and extruders. Spending time on factory floor audits, our product team has watched how pigment interacts with different polymer grades. These observations led to improvements in our surface treatment chemistry, making mixing easier and improving color distribution throughout the melted resin. Melt index variances drop and less pigment gets lost on filters, thanks to the changes driven by real-world use.
For coatings, the story is often different. Decorative and industrial paint lines require titanium dioxide that resists chalking, keeps hiding power, and spreads without caking at the bottom of the barrel. Paint manufacturers testing CR-501 immediately notice its handling properties—no sticking at the paddle, fewer air bubbles, and a smooth flow through automated dispensers.
In our experience, performance in masterbatches shows CR-501’s true flexibility. Nucleation rates and pigment loading balance easily with this grade, which helps convertors avoid haze, specking, or color drifts often seen when switching raw pigment suppliers. These advantages come out of longstanding conversations with compounding technicians, not guesses from afar.
We are always reminded that product stability separates winners from the rest. Spec sheets and lab results only say so much, especially after a final good waits months before it hits the shelf or construction site. CR-501 was tested in cycle for everything from high-humidity warehouse storage to South Asian roadwork conditions.
There’s no shortcut to stability. Every modification to CR-501 comes after aging trials, lightfastness measurements, and mechanical stress tests. Polyolefin film producers gave us direct data—CR-501 would retain its core shade longer than more aggressively priced grades, sustaining opacity after exposure to high UV. If the pigment coat degrades or leaches, it causes surface yellowing, a headache for end-users. Our product resists these problems by maintaining high rutile conversion and introducing trace chemical stabilizers tailored to polymer compatibility.
CR-501’s quality control process developed from necessity. Our in-house technical staff monitors pH, conductivity, and whiteness in real-time. Each batch needs to match set benchmarks for hue, dispersion, and surface finish—not just at the time it leaves the plant, but months later after sitting in distribution hubs or customer warehouses.
Inferior grades give up their promise after transit: they arrive packed with fines that cake in tote bags or develop static, causing headaches during customer processing. Our plant keeps humidity controlled and uses rigid packaging protocols to keep CR-501 fresh and ready for blending. Down the line, this turns into lower wastage and happier technical teams for our partners.
It’s one thing to claim superiority, another to prove it in hands-on tests. We run side-by-side benchmarking with other titanium dioxide grades under identical mixing and processing environments. Our pigment holds opacity and color fastness across all the polymer types we encounter, and feedback shows fewer filter plug-ups and less cleaning downtime for the customer.
Major multicolor printing shops shared blind sample trials, mixing our pigment with several unnamed alternatives. Printers found better laydown and cleaner white coverage from our CR-501 lots—even when using high-speed equipment or moisture-prone environments.
Competing products sometimes spike whiteness with additional silicas or modify surface chemistry for initial gains, but they often deteriorate in performance with time. Such shortcuts cost more in rework, color drift, and machine cleaning. CR-501’s planar, tightly controlled rutile design achieves end-user desired results through honest production, not by lacing batches with short-term enhancers.
Any large-scale chemical operation must face environmental scrutiny. Over the years, improvements in effluent recycling and dust capture cut our emissions per ton of pigment output. We operate closed-loop wash systems and improve solid waste handling every production cycle, learning from cement and mining partners on how to repurpose titanium dioxide process byproducts.
Safety isn’t theory—our team sees daily the kind of minor dusting, bag-handling injuries, and moisture flareups possible in pigment production. Regular plant audits forced us to slow production at times to install upgraded air handlers and personnel protection systems. These decisions meant fewer incidents and better staff retention, translating to added pride and responsibility in each batch produced.
Customers rely on us to back every delivery with traceability. In practical terms, every CR-501 bag traces back to a dated production run, with digital records on material inputs and energy usage. If a problem crops up months later at a customer’s plant, we can pinpoint the batch conditions and recommend fast, accurate remedies—avoiding finger-pointing or production delays.
The chemical sector faces relentless demand for cost control, sustainable operations, and consistent output. Manufacturers are less forgiving of products that deliver uncertain results, introduce instability, or make operations harder. Competing on price alone runs counter to quality and leads to a race to the bottom. Our shop floor teams know that a pigment which interacts as promised, batch after batch, maintains its appeal long after a market discount fades.
CR-501’s story is written by those using it. Over the years, we’ve listened to failures and adapted recipes to give better chemical resistance, improved shelflife, or quicker incorporation in tough formulations. These continuous feedback loops shape the product, ensuring it keeps up not just with current requirements, but future challenges as new polymers and coatings enter the market.
Chemical manufacturers can’t stop at making pigment dust; technical guidance is just as critical. We offer troubleshooting with actual hands-on experience—from resin compatibility testing to trial runs on customer equipment. This know-how allows us to address unique operating conditions, such as extreme humidity or fast-cycle extruders, and suggesting changes not just to our product but sometimes to customer procedures for even better results.
Long-standing partnerships reveal insights that lab-only research misses. Plant visits and real-time support mean faster solutions and fewer headaches for end users. This hands-on approach, combined with transparent recordkeeping and targeted after-sales support, builds trust and leads to improvements on both sides—ours and the customer’s.
CR-501 continues evolving, not just for improved specifications, but because lessons emerge daily from the realities of working with this material at every stage. Our ongoing investment in refining production chemistry, environmental controls, and downstream technical support tells its own story. Customer satisfaction comes from attention to practical detail, not just the numbers on a label.
We keep an ear to the ground, following developments in polymers, coatings, print and packaging. New needs arise—more robust UV stability, tighter tint retention, safer handling, reduced environmental footprint. Our team commits to addressing these demands, always iterating CR-501 to offer tangible benefits in color, processability, and long-term product integrity.
From factory to the field, CR-501 titanium dioxide represents our belief that chemical manufacturing is more than formulas—it is daily responsibility, continuous improvement, and open communication with those who transform raw pigment into essential goods across the globe.