|
HS Code |
631317 |
| Product Name | Transparent Calcium Zinc CZ55 |
| Appearance | Transparent granules |
| Color | Colorless or light |
| Main Components | Calcium zinc-based stabilizers |
| Lead Content | Lead-free |
| Processing Temperature | 160-200°C |
| Application | PVC transparent products |
| Thermal Stability | Excellent |
| Compatibility | Good with plasticizers |
| Weather Resistance | Strong |
| Odor | Low |
| Heavy Metal Content | Non-toxic, RoHS compliant |
As an accredited Transparent Calcium Zinc CZ55 factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | The packaging for Transparent Calcium Zinc CZ55 comes in a 25 kg white woven bag, clearly labeled with product and safety information. |
| Container Loading (20′ FCL) | Container Loading (20′ FCL): Transparent Calcium Zinc CZ55 is loaded in 20′ containers, typically packed in 25kg bags, totaling 16-20MT. |
| Shipping | Transparent Calcium Zinc CZ55 is typically shipped in sealed, moisture-proof 25 kg bags or drums. Containers are clearly labeled with product information and hazard symbols. During shipping, it should be kept dry and away from direct sunlight or sources of heat. Adhere to local and international transport regulations for chemicals. |
| Storage | **Transparent Calcium Zinc CZ55** should be stored in a tightly sealed container, kept in a cool, dry, and well-ventilated area away from moisture, direct sunlight, and sources of heat or ignition. Avoid contact with strong acids and oxidizing agents. Ensure storage containers are clearly labeled and kept away from incompatible substances. Always follow local regulations and guidelines for chemical storage. |
| Shelf Life | Transparent Calcium Zinc CZ55 has a shelf life of 12 months when stored in a cool, dry, and well-ventilated area. |
Competitive Transparent Calcium Zinc CZ55 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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Transparent Calcium Zinc CZ55 comes straight out of our production lines after years of close work with processors, molders, and packaging specialists. In our plant, we don’t chase flashy claims or confusing grades. CZ55 reflects direct feedback from material engineers and shop foremen who handle transparent PVC products daily. Every batch represents our fix for real pain points in profile extrusion, film, and sheet work.
At our facility, CZ55 means a true fusion of calcium-zinc salts, stabilizing co-agents, and functional lubricants. The blend takes clarity as a mandate. We tune the mix so that end users see visible improvements in light transmittance even in thicker or shaped PVC sections. The pelletized form drops straight into feeders—steady and dust-free. We’ve run CZ55 in dozens of mixed lines, so the formulation deals with regional resin varieties, not just lab-grade PVC. Through extensive melt flow tests, temperature cycles, and exposure to plasticizers, we keep the transparency high and yellowing low. Processors have let us know that switching from tin or lead systems to CZ55 sidesteps discoloration and blushing. We’ve leaned into those results to adjust the stabilizer ratios for routine line speeds, not just idealized lab conditions.
What usually gets missed in glossy brochures is the practical challenge of maintaining high transparency after extrusion or molding. CZ55 doesn’t clog up mixing heads, nor does it introduce reactivity that clouds soft films or rigid window sections. We verify clarity with both haze meters and actual end-customer sizing—because what plant managers look for is the absence of milkiness, not lab values that disappear on a test bar. We built CZ55 so that finished profiles or films carry that true see-through appearance expected in medical, food packaging, or high-value decorating sheets. In a world shifting away from heavy metals, a factory solution that delivers on this clarity matters more than theoretical specs.
From day one, we’ve manufactured CZ55 to cover the practical range: grades made for extrusion lines running 160–200°C, forms that support both rigid and semi-rigid PVC, and compatibility with common plasticizers and processing aids. While specs form the paper trail for approvals, plant operators care about batch-to-batch consistency and how the stabilizer keeps properties stable in real machine conditions. In our shops, CZ55 must handle reruns and some contamination from regrind—conditions less predictable than what the datasheet admits. By pairing robust quality checks with on-site feedback, we tailored CZ55’s melt properties and particle dispersal so it stays forgiving in different equipment, and migrates slower in storage. Our QC engineers track every lot for active ingredient ratios and moisture, not just appearance, to assure what goes out matches what users have grown to count on each time.
Our customers are pipe manufacturers, medical film extruders, and high-end profile makers, not abstract “industry professionals.” Pipe producers have used CZ55 to replace tin stabilizers without the post-extrusion yellowing that hits hot-fill or sunlight-exposed products. Sheet and film converters benefit from the clarity boost, as CZ55 blends evenly and clears up haze in the final pass, showing especially well on box lids, blister packs, and transparent credit card windows. Decorative panel makers have run CZ55 through co-extrusion, making outer layers less prone to dulling after punching and folding. In medical environments, where strict migration controls take priority, our product checks off low heavy metal and low VOC needs, rolling out on tubing and containers. We work directly with converters to dial in loading levels, usually in the 2–4 phr range. By walking through customers’ extrusion lines and troubleshooting mixing issues together, we often catch residues early. That keeps downtime low and helps customers keep output on schedule.
Clear, see-through PVC has always attracted producers looking for affordable, non-lead stabilizers with less regulatory baggage. Many have tried generic Ca-Zn blends, only to find haze, deposit build-up, or poor heat aging ruining their output. CZ55 runs on a backbone of calcium and zinc stearates but applies long-chain co-stabilizers and specialty lubricants. Instead of the off-white cast or the fast yellowing found in older Ca-Zn grades, CZ55 holds up under repeated thermal cycles. Unlike tin stabilizers, which often raise volatility and cost, or lead systems, which raise regulatory alarms, CZ55 sits under accepted limits for migration and delivers the color stability needed for high-impact use. Some plants shifted from organotin products due to cost or odor; CZ55 follows more of an in-house recipe, pairing pragmatic pricing with fewer storage headaches. Our technical consultants run in-depth audits on customers’ lines to spot edge cases, supporting transitions to CZ55 without major equipment reconfiguration.
We have witnessed first-hand how the wrong stabilizer creates gelling, uneven melt, or even catastrophic deposits inside mixing zones. CZ55 approaches real-world conditions—dust interruption, feed rate fluctuation, and even the occasional off-spec resin lot. Its composition resists moisture caking during long deliveries or hot, humid warehouse stays. Most generic Ca-Zn stabilizers fall short in demanding tasks—not just the trials, but repeated industrial cycles. Our line operators have rebuilt extruders clogged from competitor stabilizers breaking down. By keeping CZ55 stable across standard PVC machine settings and speeding up color hold, customers gain more up-time and less scrap. The formula’s moderate activation makes cleaning easier and keeps head deposits inside lines to a minimum—even across lengthy runs or complicated section shapes.
It’s easy to promise ‘green’ in packaging, but more difficult to supply real compliance through the supply chain. Our compliance team tracks EN and FDA food contact regulations, as well as national standards for medical and toy exports. Transparent Calcium Zinc CZ55 ships with full heavy metal screening and SVHC review. We don’t rely solely on distributor testing—analysis starts at ingredient procurement and is rechecked through batch release. Process auditors walk through frequent audits with our team to address record-keeping for cross-border shipments. This reduces the risk of container holdups and makes quarterly customer audits straightforward. We have decades of experience resolving certification questions with both local and international regulators, ensuring that finished goods made with CZ55 pass without costly rework.
Compared to standard or older calcium zinc stabilizers, CZ55 brings a steady, high level of clarity and a longer processing window. We have refined particle size and liquid carrier choice so that melt viscosity stays within a narrow, expected band. Our engineers pay close attention to how minor compositional tweaks ripple across extrusion speed and finished gloss. Other stabilizers might promise low toxicity, but neglect see-through clarity, or produce off-notes over long storage. CZ55 stays consistent even as resin supply shifts or users work with alternate fillers and pigments. We customize support so customers can handle line speed increases without formula changes. With on-hand stocks, end users avoid wait times or mid-run formula switches that historically force waste runs or costly rework. We’ve invested in blending automation, so large or small orders pull from the same tightly controlled process, a key factor in keeping downstream color shift to a minimum.
Regulators and brands have been phasing out lead and high-tin packages, especially for children’s goods and medical packaging. As a calcium-zinc solution, CZ55 keeps heavy metals far below international tolerance thresholds. The EU, US, and APAC regions now strictly limit lead and tin residue in both raw additives and finished plastics. We took this seriously before legislation forced hands—responding to the needs of exporters and high-profile brands well ahead of regulatory timelines. CZ55 batches register below typical limits, and our lab teams hold documentation on every lot. This becomes crucial not just in shipping, but in recalling potential compliance mismatches before they appear down the supply chain. Large processors have reduced import rejections and scrap rates after switching to CZ55, finding fewer issues during random outside testing and surprise audits. The stabilizer’s chemistry resists unplanned migration, limiting the potential leaching that can spoil packaging claims or list products as non-compliant.
The move from tin or lead to calcium-zinc stabilizers has a learning curve. With some stabilizers, processing windows tighten and formulas grow finicky, slowing adoption. CZ55’s job is to widen that window, absorb the shocks from process drift, and let operators stay focused on speed and finish quality. Our technical support team regularly partners with new clients running first-article trials, swapping out other systems, or managing startup line variations. Through hands-on trouble-shooting, we guide optimal loading levels for each customer’s machinery and product type. We also document and suggest process tweaks: die head modifications, cooling profiles, or alternate pre-mixing for tough geometries and different resins. By maintaining open channels from the factory floor to our R&D center, we keep formula development honest and immediate, helping hundreds of converters each year escape cycle waste or patchwork fixes.
Production realities evolve with shifts in resin, line setup, and environmental pressure. We drive CZ55 forward by running extended thermal aging and sunlight exposure cycles. Our R&D group works directly with shop-floor managers to integrate real waste tracking, in-use quality monitoring, and post-mold analysis. Over time, visual and mechanical outcomes from every order feed into active feedback loops for future lots. Product development here doesn’t wait for next-year trends; it’s built on what’s being produced now, with input from users watching extruder temps and package clarity in real time. We adapt recipes for unique customer requests, such as added UV resistance, non-migrating slips, or greater anti-fog performance. As transparent packaging markets stretch into new applications, our factory scales support to keep pace with viscosity targets and clarity demands, never compromising safety or regulatory status in search of a marketing edge.
Where other products aim for generic ‘fit-all’ claims, CZ55 roots itself in our lengthy experience—across changing equipment, worker shifts, and growth in applications. Operators regularly point out CZ55’s ease of dosing, measurable reduction in yellowing, and the absence of issues when increasing recycled content. A stabilizer only succeeds if it protects resin color and clarity all the way from hopper to shelf. CZ55 was crafted by factory teams who care about their name on every outgoing order. Direct lines of communication cut through the layers between production, quality, and the plants using our stabilizer day in and out.
Manufacturing is never static, and each change in resin supply or production tempo forces stabilizers to keep up or fall behind. CZ55 gives converters confidence in reaching quality and safety targets, especially as transparency keeps climbing in demand across consumer, electronics, and medical packaging fields. By putting stable, heavy metal-free clarity at the core, we help both established factories and new entrants meet future compliance and quality challenges together. The story of CZ55 isn’t written in specification tables, but in long shifts, on busy extrusion floors, and in products that shine in hands-on use worldwide.