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Guangzhou Yourun Company focuses on the research and development of polyurethane formula components, especially polyurethane catalysts and additives. Yourun has developed a series of eco-friendly PU catalysts which are ideal substitutes for mercury, lead and tin catalysts in different application fields, especially in CASE field. 


As a professional PU compound manufacturer, Yourun produces and exports various Polyurethane Catalysts, Polyurethane Additives and Polyurethane components. The company has a complete range of polyurethane compounds with different properties, which can solve the pain points of polyurethane application industries and meet the requirements of environmental protection.


Polyurethane compound features

- Electrical Insulation:
Polyurethane compounds provide superior insulation, essential for electrically sensitive applications.

- Versatile Resilience:
Customizable resilience levels ensure optimal performance in shock absorption and high-frequency recovery.

- Strong Bonding:
PU systems bond effectively with a variety of materials, enhancing their utility in diverse applications.

- Environmental Durability:
Resistant to extreme temperatures and chemicals, these polyurethane resins are ideal for harsh environments.

- Antimicrobial:
Naturally resistant to mold and mildew, with options for enhanced resistance in polyester materials.

- Color Customization:
A wide range of pigments and UV protection for outdoor stability in color retention.

- Economical Production:
Efficient for both prototyping and large-scale manufacturing, polyurethane chemical with a broad weight range capability.

- Quick Turnaround:
Shorter lead times and lower tooling costs compared to thermoplastics, expediting production.

Polyurethane Raw Material
Polyurethane (PU) materials from Yourun Synthetic Material are engineered to offer resilience, flexibility, and durability. These synthetic thermoset polymers are crafted from polyols and diisocyanates, creating a cross-linked structure that can be customized into various forms.Polyurethane materials features◆ Elasticity and Resilience:Exhibiting high elasticity, polyurethane returns to its original shape post-deformation, showcasing excellent resilience.◆ Versatility in Formulation:Polyurethane compound can be tailored to achieve different densities and hardness levels, from soft foams to rigid materials.◆ Thermal Stability:Retaining properties across a broad temperature range, polyurethane ensures reliable performance in varying conditions.◆ Abrasion and Impact Resistance:With high abrasion resistance and the ability to absorb and dissipate impact energy, PU material stands up to wear and tear.◆ Chemical and Water Resistance:Polyurethane resists a broad spectrum of chemicals, including oils, solvents, and water, making it suitable for diverse environments.◆ UV and Flame Retardancy:Certain formulations offer UV resistance to prevent degradation, and flame retardancy to enhance safety.◆ Material Compatibility:Polyurethane bonds effectively with various substrates, ensuring strong adhesion in multiple applications.◆ Biocompatibility:Selected formulations are biocompatible, positioning polyurethane for use in medical and healthcare sectors.Considering the application of polyurethane is quite various, Yourun polyurethane materials are classfied according to the application or end products, such as PU raw material for PU Elastomers and PU parts, PU Sport Track & PU Sport Floor,  Waterproof Coating and Floor Coating, PU Adhesive & Sealant, PU Rigid Foam and Flexible Foam, PU Leather Resin, PU Coatings & Paints, PU Grouting Reinforced Material, Etc.
Polyurethane Catalyst
Polyurethane catalysts are specialized chemicals that enhance the production of high-quality polyurethane systems. By reducing the activation energy required for chemical reactions, these PU catalysts enable faster reactions at lower temperatures. The polyurethane compound remains unchanged after the reaction, efficient and sustainable in the manufacturing process.These PU catalysts play a crucial role in increasing reaction rates and managing gelling times. They help balance side reactions, particularly the water reaction, which is vital for controlling gas formation and foaming. This precise control leads to improved product consistency and performance in polyurethane applications.In today's increasingly stringent environmental protection requirements, the limit requirements of organic mercury, lead and tin catalyst in various global environmental protection laws and regulations are getting lower and lower, even reaching the forbidden level that can not be detected. The selection of environmental protection catalysts to replace organic mercury, lead and tin catalyst has become a necessary choice for polyurethane manufacturers.Yourun polyurethane accelerators are roughly divided into general purpose type and functional type, which fully meet the specific needs of various fields of polyurethane.Polyurethane catalysts applications◆ Coatings: PU accelerators improve the flow and cure characteristics of PUR and PIR systems, leading to enhanced coating performance and durability.◆ Adhesives: Catalysts contribute to better adhesion properties, making them indispensable in the formulation of high-strength adhesives.◆ Sealants & Elastomers: Polyurethane catalysts ensure better foam yield and ease of handling, which is crucial for effective sealing and elastomer production.◆ Rigid Foam: In rigid foam production, catalysts help in achieving the desired cellular structure and physical properties.◆ PU Flexible Foam: PU catalysts play a vital role in the creation of flexible foams used in various applications, from furniture to bedding.
Polyurethane Additives
In view of the application problems in the subdivided field of polyurethane, Yourun also provides other functional PU additives other than PU catalysts, such as Defoaming Agent, Abrasion-resistant Agent, Antistatic Agent, Anti-yellowing Antioxidant, Release Agent, Moisture Removing Agent, Foam Inhibitor, Anti-settle Dispersing Agent, Viscosity Reducer, etc.Polyurethane additives features◆ Diverse Functional Additives: Functional PU additives are designed to enhance the performance of polyurethane products.◆ High-Quality Formulations: Each additive is meticulously formulated to provide specific improvements to polyurethane properties, ensuring enhanced durability, appearance, and processability.◆ Customizable Solutions: Polymer additives can be tailored to meet specific customer requirements, offering flexibility and adaptability for various polyurethane applications.◆ Industry-Standard Compliance: All polyurethane auxiliaries are manufactured to meet stringent industry standards, ensuring reliability and consistency in performance.Polyurethane additives applications◆ Polyurethane Manufacturing: Ideal for enhancing the performance of polyurethane products in various manufacturing processes, including foam production, coatings, adhesives, and elastomers.◆ Foam Inhibition: PU Defoaming Agents are designed to prevent and eliminate foam formation during the mixing and processing stages.◆ Surface Enhancement: Antistatic and Anti-yellowing Agents improve the surface quality and appearance of polyurethane products, ensuring they remain visually appealing over time.◆ Durability Improvement: Abrasion-resistant Agents and Antioxidants enhance the mechanical properties and longevity of polyurethane materials.◆ Process Optimization: Viscosity Reducers and Dispersants improve the processing characteristics of polyurethane formulations, ensuring smooth production and consistent quality.Company advantages◆ In-House Production: We operate our own production base with an annual capacity of 15,000 tons, reliably meeting industry demands.◆ Quality and Innovation: Guangzhou Yourun holds innovation patents and has achieved ISO quality management system certification, ensuring high standards of polyurethane resin accessories quality and continuous innovation.◆ Industry Recognition: As a director unit of the China Polyurethane Industry Association and a member of multiple industry associations, we enjoy a high reputation across various polyurethane sub-sectors.◆ Comprehensive Product Range: We offer a full suite of polyurethane compounds with diverse performance profiles, covering polyurethane coatings, adhesives, sealants, elastomers, and foam products. Our solutions address industry pain points, meet environmental standards, and can be customized to meet specific customer needs.
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