Ecopower Offers a Full Range of C5 Petroleum Resins to meet the diverse application needs of hot melt adhesives, pressure-sensitive adhesives (PSA), rubber tires, and road marking paints. Our product line encompasses general-purpose types, low-temperature tack types, light-colored types, and customized grades. Characterized by stable softening points, low acid values, and light color (Gardner #3–#5), our resins help customers achieve a precise balance of leveling property, tear resistance, and compatibility.

Road Marking Specialties

• HC-52100: Softening point 95–105°C, Acid value ≤2, Gardner color #3–#5. Excellent leveling property. Specifically designed for thermoplastic road marking paints, ensuring uniform application and durable wear resistance.

Hot Melt Adhesives & Rubber Tackifiers

• HC-5100: Softening point 95–105°C, Acid value ≤1.0, Gardner color #3–#5. Light color. Suitable for hot melt adhesives and rubber tackifiers, offering non-staining properties to substrates.

• DCPD Resin: Softening point 95–105°C, Gardner color #3–#5. Outstanding tear resistance and adhesion. Developed specifically for rubber tackification, enhancing the mechanical strength of rubber products.

Pressure Sensitive Adhesive (PSA) Solutions

• HC-1304: Softening point 97–102°C, Acid value ≤0.1, Gardner color #3–#5. Narrow molecular weight distribution. Versatile, suitable for Natural Rubber (NR) and SIS-based PSAs.

• HC-1310: Softening point 90–96°C, Acid value ≤0.1, Gardner color #3–#5. Excellent low-temperature tack. Ensures quick adhesion of PSAs in cold environments.

• HC-5090: Softening point 85–95°C, Acid value ≤1.0, Gardner color #3–#5. Combines low-temperature tack and good compatibility. Compatible with NR, SBR, SIS, SBS, and EVA hot melts for various PSA products.

High-Performance Customization

• HC-5150: Acid value ≤0.2, Gardner color #3–#5. Customizable parameters. Offers tailored performance optimization for demanding applications like high-performance hot melt adhesives, pressure-sensitive adhesives, and rubber tires.

All products undergo strict quality control, with Gardner color consistently maintained within the 3–5 range to ensure batch-to-batch consistency. Whether you need standard grades or custom development, Ecopower provides the right C5 petroleum resin solution. Please Contact us ( E-mail : sales@ecopowerchem.com ) for samples or technical data sheets – let us help you select the most suitable resin grade.

C5 Petroleum Resin Core Characteristics & Technical Advantages

C5 petroleum resin is a thermoplastic tackifying resin synthesized from cracked petroleum C5 fractions, typically featuring a molecular weight between 1000-2500. It is characterized by low acid value, excellent compatibility, and strong water resistance. As a key component in the adhesive and rubber industry, C5 resins leverage their advantages in high peel strength, quick tack, and excellent thermal stability to gradually replace natural tackifiers and dominate the market.

The Ecopower C5 petroleum resin series excels in the following areas:

Adhesive Application Characteristics: In hot melt adhesive and PSA systems, C5 petroleum resin significantly improves the wetting properties of the base polymer, providing outstanding initial tack. Through narrow molecular weight distribution design (e.g., HC-1304), we achieve an optimal balance between cohesive strength and peel strength, ensuring performance stability of adhesive products under various service conditions. Additionally, the products feature excellent aging resistance and low volatile content, meeting the reliability requirements for long-term use.

Rubber Processing Characteristics: In tires and rubber products, Ecopower C5 resins not only provide excellent tackifying effects but also act as softeners and reinforcing agents during processing. The resins exhibit outstanding compatibility with Natural Rubber (NR) and synthetic rubbers (SBR, SIS, SBS), significantly improving the green strength and autohesion of rubber compounds without interfering with the vulcanization process or the physical properties of the final vulcanizate. The DCPD grade specifically enhances tear resistance, promoting uniform filler dispersion within the rubber matrix and improving the mechanical strength of the final product.

Coating & Road Marking Characteristics: For road marking applications, the HC-52100 grade achieves excellent leveling and filler dispersion through optimized softening point and molecular structure. It produces smooth, uniform film surfaces with outstanding wear resistance and wet skid resistance. The resin offers good thermal stability and weatherability, ensuring the markings retain reflectivity and adhesion during long-term outdoor use.