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WSD Chemical delivers high-performance additives, stabilizers, resins, and technical support for PVC and polymer industries worldwide. Trusted by manufacturers across construction, packaging, and industrial sectors.
SHENGZHOU WORTHSIDE CHEMICAL CO., LTD is a leading manufacturer and supplier of PVC additives and plastic chemicals based in Zhejiang, China. With years of expertise in polymer science, we provide comprehensive chemical solutions tailored to the evolving needs of the global plastics industry.
Our mission is to empower plastic manufacturers with high-quality raw materials, innovative formulations, and expert technical guidance—ensuring efficiency, durability, and cost-effectiveness in every production cycle.
Serving clients in over 50 countries with reliable logistics and multilingual support.
Dedicated R&D and testing team ensuring product consistency and application success.
From PVC resins to stabilizers, plasticizers, impact modifiers, and optical brighteners—we offer a one-stop solution for all your polymer additive needs.
Our in-house testing lab ensures every batch meets strict technical standards before shipment, guaranteeing performance and reliability in your applications.
With large warehouses and partner factories, we ensure delivery within 7–10 days, adapting to your production schedule and volume requirements.
We provide formula support and sourcing strategies that reduce material, time, and capital costs—maximizing your ROI through smarter chemistry.
Multiple banking channels in China, Hong Kong, and Singapore. Accept TT, LC, DP, and other secure international payment methods.
Our team offers guidance on raw material selection, mixing formulas, processing optimization, and troubleshooting for PVC pipes, sheets, cables, and more.
Available in carbide-based, ethylene-based, and paste resin forms. Grades include SG-3, SG-5, SG-8, S-1000, S-700, and P440/P450 for diverse processing needs.
Including zinc, calcium, barium, magnesium, aluminum, sodium, and potassium stearates. Used as lubricants, release agents, and stabilizer components.
Lead-based, calcium-zinc, barium-cadmium-zinc, liquid Ba/Zn, methyltin, and organic tin stabilizers for heat and UV resistance.
DOP, DOTP, DOA, DOS, TOTM, ESBO, CP-52. Improve flexibility, workability, and durability of PVC compounds.
AIM, MBS resin, and acrylic impact modifiers enhance toughness and impact resistance in rigid PVC products.
WSD-401 and other grades improve melt strength, surface finish, and extrusion stability in PVC processing.
OB, OB-1, KSN, KCB, FP-127. Enhance whiteness and brightness in PVC, PP, PE, and other polymers.
Titanium dioxide (rutile/anatase), iron oxide, carbon black, organic pigments (red, yellow, blue, green), and functional fillers.
Our stabilizers, lubricants, and impact modifiers ensure long-lasting, pressure-resistant pipes for municipal, agricultural, and industrial use.
Formulation support for foamed boards, ceiling tiles, and decorative panels with excellent dimensional stability and surface finish.
Plasticizers and processing aids for flexible packaging, medical films, and construction membranes with superior clarity and durability.
Foaming agents, regulators, and modifiers for lightweight, rigid boards used in signage, furniture, and automotive interiors.
High-performance stabilizer systems and impact modifiers for weather-resistant, energy-efficient window frames.
Heat-stable formulations with flame retardants and plasticizers for safe, flexible electrical insulation.
Carbide-based PVC is derived from calcium carbide (coal-based), while ethylene-based uses petroleum feedstock. Ethylene-based offers better clarity and thermal stability; carbide-based is more cost-effective.
PVC degrades when heated during processing. Stabilizers prevent discoloration, brittleness, and HCl release, ensuring product integrity and process safety.
Plasticizers increase flexibility, reduce glass transition temperature, and improve processability. They are essential for soft PVC applications like cables and films.
Typically 7–10 days after order confirmation, thanks to our large inventory and efficient logistics network.
Yes. Our experienced team provides formulation advice, troubleshooting, and on-site support for PVC processing challenges.
For product inquiries, technical support, or partnership opportunities, reach out to our team today.
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