|
HS Code |
321753 |
| Chemicalformula | (C2H3Cl)n |
| Appearance | White or light-colored solid or pellets |
| Density | 1.3 - 1.45 g/cm³ |
| Meltingpoint | 75 - 105°C |
| Thermalconductivity | 0.19 W/m·K |
| Hardness | Shore D 78 - 85 |
| Tensilestrength | 32 - 55 MPa |
| Elongationatbreak | 20 - 400% |
| Waterabsorption | <0.1% |
| Flammability | Self-extinguishing |
| Electricalresistivity | 10^13 - 10^16 Ω·cm |
As an accredited Polyvinyl Chloride Compounds factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Polyvinyl Chloride Compounds are packaged in 25 kg polyethylene-lined woven bags, ensuring moisture resistance and easy handling during storage and transport. |
| Shipping | Polyvinyl Chloride (PVC) Compounds are shipped in airtight, moisture-resistant bags or bulk containers to protect from contamination and humidity. They are transported by road, rail, or sea, with proper labeling and documentation to comply with regulations. Standard handling and storage precautions are followed to prevent physical damage and environmental release. |
| Storage | Polyvinyl Chloride (PVC) compounds should be stored in a cool, dry, and well-ventilated area, away from direct sunlight, heat sources, and moisture. The storage area should be free from strong oxidizing agents and chemicals that may react with PVC. Keep containers tightly closed, clearly labeled, and placed on pallets to prevent contact with the floor and contamination. |
Competitive Polyvinyl Chloride Compounds prices that fit your budget—flexible terms and customized quotes for every order.
For samples, pricing, or more information, please contact us at +8615365186327 or mail to sales3@ascent-chem.com.
We will respond to you as soon as possible.
Tel: +8615365186327
Email: sales3@ascent-chem.com
Flexible payment, competitive price, premium service - Inquire now!
Spending years in polymer production gives you a clear perspective on what polyvinyl chloride compounds can do. PVC compounds blend polyvinyl chloride resin with plasticizers, stabilizers, fillers, and other modifiers to solve very real problems for manufacturers. For customers wanting insulation materials, pipe products, automotive parts, or footwear, PVC offers a combination of toughness, weather resistance, and cost control that few other plastics keep up with. Our shop floors often buzz with the sound of mixers and extruders running PVC jobs—everything from flexible garden hoses up to rigid electrical conduit.
Customers trust a range of conventional and specialty grades designed and tested at our site. Rigid PVC compounds usually contain less than 10% plasticizer, setting them apart from flexible types. These rigid grades deliver high mechanical strength, which makes them a staple in construction, electrical panels, and liquid handling systems. On the softer side, we create flexible PVC by increasing plasticizer content. Flexible grades bend and absorb impacts, serving as the backbone for door seals, flooring, wire insulation, and medical tubing.
We engineer compounds for specific hardness, ranging from shore A30 for soft touch applications to shore D85 where structural support matters. Consistency shows up not in data sheets, but in daily trials—two shipments made a month apart need to feed the same machine, run the same line speeds, and yield the same parts. In our lab, tensile strength, elongation, and cold impact resistance determine the mix ratios and processing times before a batch leaves the gate. The aim is to eliminate surprises on the customer’s floor.
A key reason many of our customers return for PVC is the wide adjustment window it offers. We tune the formulation to perform in freezing winter construction sites, outdoor cable installations, or demanding automotive interiors. Changing one stabilizer or boosting filler content shifts the electrical or mechanical properties to fit new codes or updated customer specs. While polyethylene, for example, can make durable pipes, it rarely offers the same balance of stiffness, flame retardance, and processability.
In the world of pipes, rigid PVC resists corrosion and chemicals in ways metals cannot, making it a strong choice for water supply, drainage, and conduit. Flexible PVC grades outperform traditional rubber in terms of UV resistance, clarity, and shelf life. This flexibility with additives means our engineers work closely with clients to guide the process from granule selection to final product inspection. We care about scrap rates and downtime just as much as melt flow rates and final surface finish.
Look around most commercial buildings and homes—if you see electrical casing, window frames, drain lines, or even signage, there’s a strong chance it all comes from a PVC compound. We run requests for low-smoke, halogen-free types into schools and hospitals, prioritizing safety for cable manufacturers and installers. In the automotive market, soft PVC goes into dashboards, trims, and underbody sealing. Hospitals and clinics need medical-grade types for tubing, infusion bags, and oxygen masks; we use high-purity resins, eliminate phthalates where required, and document every lot of stabilizer.
Our staff works with compounders and extruders to nail the melt viscosity for thin films or thick profiles. Clients building modular homes want faster fabrication cycles, so we optimize flow and fusion. Rigid profiles end up with sharp corners and tight tolerances by fine-tuning lubricants and impact modifiers. Flooring and wallcovering makers count on the color and gloss stability of our white and pastel grades, which pass lightfastness and stain resistance tests month after month.
Production processes must meet current regulatory and environmental standards. We source stabilizers free from heavy metals and, when required, swap out traditional lead-based systems for calcium-zinc or tin-based alternatives. Many batches destined for food contact applications meet FDA or EU directives. Every shipment comes with a trail of certifications, batch test reports, and clear labeling to help downstream users demonstrate compliance. From pelletizing to bagging, we monitor for cross-contamination and keep runs segregated by spec.
On-site, our lab analysts reject compounds that fall short of stated migration, volatility, or thermal stability limits. Experience shows that trace metals and out-of-spec plasticizers can cause failures in end-use; these tighten our upstream review of additives and prompt process changes where drift is seen. Annual audits from large brand customers push us to keep logs, review records, and update monitoring tools—responsibility does not stop at our loading docks.
Our technical teams often field questions on making smooth transitions from metal to PVC, or troubleshooting shrinkage in complicated moldings. Processing windows for PVC run slightly narrower compared to polyolefins; too much heat can cause degradation, while too little prevents proper fusion. Decades of in-house compounding experience give us the insight to recommend screw designs, water temperature ranges, and die geometries that keep production up and waste down.
Flexible compounds require special handling to avoid stickiness and blooming when left in storage, so we blend heat stabilizers and lubricants with an eye toward the client’s environment. Using the wrong filler grain size tends to produce pitting or surface haze—a lesson learned by watching the lines firsthand. Over time, we build spec sheets and troubleshooting guides that reflect practical realities, not just theoretical numbers.
The biggest shift in PVC compounding over the last decade comes from rising interest in sustainability, health, and new application areas. Both the industry and end-users demand lower VOC emissions, reduced plasticizer migration, and improved recyclability. We respond by substituting phthalate-free softeners and testing new stabilizer chemistries that improve weathering and extend part lifetime. Each adoption means another round of extrusion and flex tests, color retention checks, and long-term trials on the client’s own machines.
To cut environmental impact, we reclaim production scrap for reprocessing wherever possible. Some grades now include post-industrial or post-consumer recycled PVC, provided quality benchmarks remain. Our engineering team studies the effect of recycled content on impact strength, surface finish, and long-term aging, adjusting formulations to keep outputs consistent batch after batch. Down the line, these efforts matter for customers bidding on green projects and build stronger partnerships with brand owners facing regulatory requirements.
Raw material pricing presents regular challenges. Resin prices fluctuate with oil and gas costs, while plasticizers and specialty stabilizers depend on global supply chains. Experience teaches us to contract for base raw materials wherever possible, pivot to alternative additive suppliers during shortage, and maintain open talks with clients about lead times and backup options.
Health and safety demands continue shaping our product development lab. Restrictions on specific plasticizers and migration limits for food packaging mean we thoroughly characterize our incoming and outgoing batches. Achieving both flexibility and safety takes ongoing research and a willingness to test new plasticizers and process aids. This R&D is more than a technical checkbox—it protects end-users, supports clients’ regulatory filings, and reduces the risk of costly recalls.
Shifts in application requirements create space for innovation. For instance, wire and cable manufacturers want improved flame resistance without the smoke hazards of halogen compounds. By collaborating across supply chains, we’ve rolled out flame-retardant PVC grades using high-efficiency mineral fillers and non-halogen stabilizers. This involves extra mixing steps, process trials, and field feedback—each change reflects a trade-off in workability, surface quality, or cost, so dialogue with customers remains ongoing.
Comparing PVC with polyethylene, polypropylene, or thermoplastic elastomers points out real-world tradeoffs. PVC delivers more rigidity per gram at a lower price, remains stable in sunlight for years, and can meet stringent flame-retardant targets. Polyolefin pipes might carry water just as well, but rapid UV aging and combustibility limit their use outdoors or in high-risk buildings. PVC window profiles retain color and structure when exposed to rain and sun, a major reason construction markets rely on them in regions with harsh climates.
Many companies ask why not shift to TPEs or polyurethanes for flexible goods. The answer lies in the toughness and processing range of PVC—it forms tight seals, stays flexible at low costs, and does not kink under repeated bending. Disposable medical gear commands high volumes, steady performance, and a known risk profile—PVC remains the first-choice material for IV lines, catheters, and blood bags. Our shop floor output goes into millions of appliances and vehicles, reflecting not just tradition but a proven match of compound, equipment, and user needs.
Lab teams test each batch for melt flow, tensile and impact strength, gelation, and appearance. Those aren’t empty numbers—they help predict which runs will jam customers’ screws or deliver off-color profiles after extrusion. Customers report back on their own performance specs, which triggers further fine-tuning. If a shipment produces gels, dust, or odors, our project engineers rework the process or swap in new additives. Documentation trails stay ready for audits or insurance, showing who tested what and shipped where.
On the shop floor, granules move in sealed lines and closed bins to avoid dust and uncover contamination early. By the time a truck leaves for a pipe manufacturer or flooring plant, the product holds clear batch codes, with cross-references in our archive. Refining these controls grew out of years of requests for traceability from building code officials, health inspectors, and brand owners who wanted to protect buyers and preserve reputations.
Many of our regulars value not just good polymer, but phone or site advice for setup and troubleshooting. Equipment upgrades, recipe shifts, or odd weather changes can affect running conditions. From our side, visiting their lines helps spot misfeeds, overheating, or application mismatches. In many cases, it pays off to supply trial lots or reformulate around specific dies, cooling tanks, or color systems; keeping downtime low builds long-term trust. Schedules shift with new certifications: ongoing product support, not just the initial bag, keeps things running.
Documentation and guidance play a role well beyond our plant. For regulatory filings, sustainability assessments, or product safety certifications, we pull records and analysis data for every batch. Safety data, sourcing evidence, and change logs make it easier for customers pursuing green building or medical approvals to move faster.
Industry moves toward better recyclability, lower emission footprints, and more specialized performance benchmarks. Each wave of new legislation, building code, or customer priority leads us to experiment with different additives, stabilizers, and processing aids. The push for phthalate-free and bio-based plasticizers opens up new R&D programs—some driven by law, others by public demand. Equipment investments, smarter controls, and automated batch tracking bring greater consistency and back up sustainability claims.
Research never ends. Each new outdoor sign, piping route, appliance cable, or automotive trim challenges us to improve weathering, color retention, or process efficiency. Clients’ lines keep changing; so do their customers’ demands. Our job involves more than just filling orders. It means listening, adapting, and investing in new people and technology to deliver reliable products, batch after batch.
Polyvinyl chloride compounds remain a cornerstone of manufacturing sectors from construction to healthcare. Our experience shows that smart compounding shapes not only the properties but also the uses and market reputation of these materials. By sharing real, tested insights, and by paying close attention to every request and quality concern, we strive to make our compounds work for every unique production run, year after year.
