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Your Trusted Partner

in High-Quality Polyester Polyol Solutions

Consistent quality, tailored performance — powering innovation across industries
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Reliable Polyester Polyol Supplier

XINFA is a leading Polyester Polyol manufacturer in China, specializing in high-quality polyols used in polyurethane foams, adhesives, catalysts, and related PU applications.


Polyester Polyol is a high-performance polyurethane raw material designed for a wide range of applications. Developed with years of expertise, it delivers superior mechanical strength, excellent thermal insulation, and outstanding chemical resistance.


Our products are widely used in rigid foam insulation, industrial equipment, and cold chain logistics, it ensures reliable performance in demanding environments. Advanced production technology and strict quality control systems ensure every batch meets international standards, while customizable formulations allow clients to achieve precise performance requirements.


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Key Features of XINFA Polyester Polyols

High Strength

Polyester polyols provide excellent mechanical strength, chemical resistance and thermal insulation for rigid PU foams and industrial systems.

Flame Safety

The flame retardant series uses phosphorus, nitrogen or intumescent additives to ensure lasting fire protection meeting UL 94 V-0 and ASTM E84 Class 1 standards.

Easy Processing

With low viscosity from 3000 to 15000 cps at 25°C, the polyols allow smooth spray, pour and injection molding applications.

Custom Formulas

Formulations can be tailored for specific mechanical, flame retardant and foam properties to meet diverse polyurethane needs.

Why Choose XINFA as Your Polyester Polyol Supplier ?

Advanced Production

Xinfa operates a modern 25,000㎡ facility equipped with over 30 intelligent production lines, achieving an annual output of 50,000 tons of high-quality polyester polyols.

Proven Expertise & Innovation

With over a decade of experience in polyester polyol and polyurethane materials, Xinfa’s dedicated R&D team continuously drives product innovation and performance improvement.

Certified Quality

Holding ISO 9001, ISO 14001, and ISO 45001 certifications, Xinfa ensures strict quality control and environmental responsibility, delivering reliable products recognized in both domestic and international markets.
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R&D of XINFA

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Technical R&D Laboratory

XINFA operates a modern R&D laboratory equipped with advanced testing and analytical instruments. The lab focuses on polyester polyol and polyurethane material innovation, offering a complete system for formulation development, performance testing, and quality control.


Patents & Intellectual Property

XINFA holds multiple invention and utility model patents covering polyester polyol synthesis, catalyst optimization, and polyurethane application technologies. By protecting its intellectual property, the company strengthens product competitiveness and provides customers with added technical value and customized solutions.

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Quality Control System

XINFA maintains a strict quality control and continuous improvement system throughout the entire production process. Using advanced testing instruments and analytical methods, we ensure consistent product quality and reliability while continuously optimizing formulations and processes based on customer feedback.


The company has obtained ISO 9001 Quality Management System, ISO 14001 Environmental Management System, and ISO 45001 Occupational Health and Safety Management System certifications.Both technical strength and product quality are at the leading level in the industry, meeting the standard and requirements for market access in Europe and America.

Patent Certifications and Quality Assurance

XINFA’s Polyester Polyol products have obtained multiple international certifications, ensuring reliable quality, consistent performance, and compliance with global standards. From raw material selection to production and quality testing, every step follows strict inspection and certification procedures. These certifications reflect our commitment to quality, innovation, and customer satisfaction.

Patent Certificate-2


Certification-1
Patent Certificate-4
Patent Certificate-3
Patent Certificate-5

FAQs

Q:What are Polyester Polyols and how are they used?
A:Polyester polyols are essential raw materials for polyurethane (PU) production, made by reacting dibasic acids with diols. They offer high strength, chemical resistance, and insulation, and are widely used in foams, coatings, adhesives, and elastomers.
Q:What makes Xinfa’s Polyester Polyols different?
A:They feature precise molecular control, consistent quality, and eco-friendly formulations. Xinfa’s polyols are highly compatible with MDI, TDI, and PIR systems, ensuring smooth processing and reliable performance.
Q:What types of Polyester Polyols does Xinfa offer?
A:Xinfa provides standard, high-functionality, and flame-retardant grades. The flame-retardant series contains phosphorus and nitrogen for built-in fire resistance meeting UL 94 V-0 and ASTM E84 Class 1 standards.
Q:How should Polyester Polyols be stored?
A:Store in sealed containers at 10–35°C, away from sunlight and moisture. Proper storage maintains product stability and reactivity.
Q:Can Xinfa customize Polyester Polyols?
A:Yes. Xinfa offers tailored formulations based on viscosity, hydroxyl number, and molecular weight to meet specific polyurethane system requirements.
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Contact Us for Your Polyester Polyol Solution


Specializing in polyester polyols and polyurethane materials, we deliver high-performance, customizable solutions backed by over a strong reputation for consistent quality and reliability worldwide.

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If you have any questions or requirements regarding solutions, please feel free to contact our customer service team.Our professional team will provide you with detailed product information, answer your questions, and tailor the best solution to meet your needs.

Mob:+86-156-3365-7995

E-mail:admin@xinfapu.com

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Shijiazhuang Office: Room2111, No. 66 Xiangtai Road, Yuhua District, Shijiazhuang City, Hebei Province,China.

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