YS POLYSTER T160

Terpene Phenolic Resin 803L, a high-performance synthetic resin based on natural rosin and terpenes, modified with phenolic compounds, has become a mainstream choice in the global high-end adhesive market. Its excellent thermal stability and initial tack retention make it perform exceptionally well in industrial applications requiring extremely high bonding strength.   1. Technical Specifications and Physicochemical Properties Analysis of Terpene Phenolic Resin 803L Terpene Phenolic Resin 803L was developed to fill the performance gap of general-purpose tackifying resins in extreme environments. From a technical perspective, 803L has stricter color control compared to the standard 803 model. The maximum Gardner color value is only 7, meaning it will not cause significant yellowing in light-colored or even transparent adhesive formulations.     The product's softening point is stable between 145°C and 160°C. This high softening point characteristic gives the final adhesive product excellent heat resistance, especially maintaining the integrity of its physical structure at high temperatures without softening or sagging. In terms of acid value, the range of 45-60 mgKOH/g ensures good chemical affinity with various polar polymers.   From a molecular structure perspective, Terpene Phenolic Resin 803L has a very narrow molecular weight distribution. This characteristic is crucial in chemical production because it ensures consistent rheological properties of the adhesive during application. 803L fully meets the high standards of similar products from international brands in terms of polarity adjustment, solubility range, and improvement of initial tack. It not only significantly increases bonding strength but also extends the initial tack retention time of solvent-based adhesives, which is crucial for the positioning and application of complex workpieces.   2. Application Practices and Formulation Advantages in Different Industrial Fields The versatility of Terpene Phenolic Resin 803L stems from its unique polarity balance, allowing it to be widely used in solvent-based adhesives, grafted CR (chloroprene rubber) adhesives, and hot-melt adhesives. Grafted CR Adhesive and High-Performance Shoe Sole Adhesives: In the footwear industry, particularly for bonding the soles of high-end leather shoes or athletic shoes, adhesives must possess extremely strong adhesion and aging resistance. 803L is commonly used in grafted chloroprene rubber (Grafted CR) adhesives. Due to its excellent compatibility, it forms a stable cross-linked system with chloroprene rubber polymers, and can effectively penetrate the substrate surface, especially when dealing with difficult-to-bond PVC artificial leather or genuine leather materials.   Hot Melt Adhesives and Tape Manufacturing: Although 803L has a high softening point, it exhibits broad compatibility with various elastomers (such as SIS, SBS, and EVA). When manufacturing high-performance hot-melt pressure-sensitive adhesives (HMPSA), the addition of Terpene Phenolic Resin 803L can significantly improve the peel strength and shear strength of the tape. For formulators looking for an alternative to YS POLYSTER T160 grade products, 803L provides thermal stability that effectively reduces carbonization caused by prolonged heating of the adhesive in the hot melt tank, extending equipment maintenance cycles.   Stability of High-Performance Solvent-Based Adhesives: In solvent-based formulations, 803L is soluble in many common solvents, such as toluene, ethyl acetate, or methyl ethyl ketone. It not only provides high initial tack but, more importantly, significantly improves the temperature resistance of the adhesive layer after drying. This makes it perform exceptionally well in applications sensitive to environmental temperature changes, such as automotive interior bonding and electronic component fixing, with performance comparable to TAMANOL 803L in similar applications.   3. Procurement Decisions in a Global Supply Chain: Quality Control and Logistics Advantages The production process of Terpene Phenolic Resin 803L follows a strict quality management system, ensuring that the acid value, softening point, and color variations of each batch are within a very small range. For global buyers, this consistency means that frequent adjustments to formulation processes are not necessary when changing batches.   In terms of packaging, the product is typically packaged in standard 25kg composite paper bags. This packaging not only meets international transportation safety standards and effectively prevents moisture intrusion that can lead to resin clumping, but also facilitates forklift handling and warehouse stacking. During long-distance sea transportation, the resin maintains a stable physical form, ensuring that it remains uniformly granular and easy to handle upon arrival at the client's location.   As a highly cost-effective tackifying solution, Terpene Phenolic Resin 803L offers an excellent alternative for companies seeking high-performance terpene phenolic resins. Whether your existing formulation is based on TAMANOL 803L or YS POLYSTER T160, 803L, with its superior compatibility and physical properties, can help companies optimize their raw material cost structure and improve their bargaining power in the global supply chain without compromising the quality of the final product.   Website: www.elephchem.com Whatsapp: (+)86 13851435272 E-mail: admin@elephchem.com