SK Functional EVA Evatane 40-55 is a premium random ethylene-vinyl acetate copolymer engineered by SK Functional Polymer (formerly Arkema Functional Polyolefins). With 38–41% vinyl acetate content and high melt flow index (~55 g/10min), SK Functional EVA Evatane 40-55 is the benchmark resin for hot-melt adhesives, flexible foams, HFFR cable compounds, and solvent-based adhesives. Often referred to as Evatane 4055 in India, SK Functional EVA Evatane 40-55's exceptional softness, polarity, and solubility ensure compatibility with a wide range of tackifiers, waxes, and fillers, making it the ideal choice for Indian and global manufacturers seeking performance, consistency, and versatility.

Functional Features & Technical Detail

• High VA Content: 38–41% VA in SK Functional EVA Evatane 40-55 for outstanding flexibility, polarity, and adhesion.
• High Fluidity: MFI ~55 for rapid processing and superior wetting in adhesives and compounds.
• Excellent Compatibility: SK Functional EVA Evatane 40-55 blends seamlessly with most tackifiers, waxes, and flame-retardant fillers.
• Solubility: Dissolves in aromatics (toluene, xylene) and partially in ketones, perfect for solvent-based systems.
• Consistent Quality: Narrow property bands, reliable SK Functional production, and technical support.

Applications

Hot-Melt Adhesives for Packaging, Bookbinding & Labels

SK Functional EVA Evatane 40-55 is the preferred base resin for high-performance hot-melt adhesive formulations across India's packaging, labeling, and bookbinding sectors. The 38–41% VA content in SK Functional EVA Evatane 40-55 delivers exceptional polarity and adhesion to diverse substrates—cardboard, plastic films, metal foils, and coated papers—making it ideal for carton sealing, case closing, and high-speed packaging lines. The high melt flow index (~55 g/10min) of SK Functional EVA Evatane 40-55 enables rapid melting and superior wetting characteristics, allowing adhesive to flow smoothly onto substrates without stringing or dripping, even at elevated application temperatures. In bookbinding applications, SK Functional EVA Evatane 40-55 provides the perfect balance of tack and set speed. When formulated with rosin ester tackifiers and microcrystalline waxes, SK Functional EVA Evatane 40-55 delivers strong initial grab for spine adhesives and cover attachment, while the high fluidity ensures even distribution across binding surfaces. The resin's flexibility prevents brittle failure in flexed spines, extending book durability. For label and tape adhesives, SK Functional EVA Evatane 40-55 offers reliable repositionability and permanent hold, adapting to both removable and permanent applications through simple formulation adjustments. Its compatibility with most tackifier systems means manufacturers can optimize open time, tack, and set speed without changing the base resin, reducing inventory complexity and improving production efficiency.

HFFR Cable Compounds and Halogen-Free Flame-Retardant Jacketing

SK Functional EVA Evatane 40-55 serves as the polymeric matrix for halogen-free, flame-retardant (HFFR) cable compounds used in automotive, power distribution, and industrial control applications across India. The high VA content in SK Functional EVA Evatane 40-55 provides the softness and flexibility required for cable jacketing that must withstand repeated bending, thermal cycling, and mechanical stress without cracking or embrittlement. Its high molecular weight and consistent melt flow ensure excellent filler compatibility, allowing manufacturers to load substantial quantities of flame-retardant fillers—alumina trihydrate (ATH), magnesium hydroxide, and mineral fillers—without compromising processability or mechanical properties. In HFFR formulations, SK Functional EVA Evatane 40-55 acts as a binder and plasticizer, enabling uniform dispersion of flame-retardant fillers and ensuring the final cable jacket meets stringent low-smoke, halogen-free standards required by automotive OEMs and power utilities. The thermal stability and antioxidant package in SK Functional EVA Evatane 40-55 resist degradation during high-temperature extrusion, preventing acetic acid release and maintaining electrical insulation properties. For automotive ignition cables and low-smoke power cables, SK Functional EVA Evatane 40-55 delivers the toughness and flex-crack resistance needed for reliable long-term performance in underhood and outdoor environments. The resin's compatibility with common cable additives—antioxidants, UV stabilizers, and processing aids—simplifies compound development and reduces time-to-market for new cable grades.

Solvent-Based Adhesives and Industrial Inks

SK Functional EVA Evatane 40-55's excellent solubility in aromatic solvents—toluene, xylene, and benzene—and partial solubility in ketones make it an ideal binder for solvent-based adhesives and industrial inks. In flexible, high-tack adhesives for pressure-sensitive applications, SK Functional EVA Evatane 40-55 provides strong initial grab and permanent hold without requiring tackifiers, simplifying formulation and reducing raw material costs. The high VA content in SK Functional EVA Evatane 40-55 ensures excellent wetting and adhesion to low-energy surfaces like polyethylene and polypropylene, expanding application scope for flexible packaging, film lamination, and specialty bonding. For industrial ink applications—screen printing, flexographic printing, and specialty coatings—SK Functional EVA Evatane 40-55 acts as a binder that imparts flexibility, gloss, and durability to printed films and substrates. Its solubility profile allows easy adjustment of ink viscosity and flow properties through solvent selection, enabling printers to optimize performance for different substrates and printing speeds. The resin's compatibility with colorants, UV absorbers, and other ink additives ensures consistent color reproduction and long-term durability of printed graphics. In specialty inks for security printing, decorative coatings, and industrial marking, SK Functional EVA Evatane 40-55 delivers the adhesion and flexibility needed for challenging substrates and demanding end-use environments.

SK Functional EVA Evatane 42-60 is a premium random ethylene-vinyl acetate copolymer engineered by SK Functional Polymer (formerly Arkema Functional Polyolefins). With 41–44% vinyl acetate content and exceptionally high melt flow index (~60–75 g/10min), SK Functional EVA Evatane 42-60 is the benchmark resin for solvent-based inks, laminating adhesives, hot-melt adhesive formulations, and flexible industrial compounds. Often referred to as Evatane 4260 in India, this ultra-high-VA resin's exceptional polarity, softness, and solubility ensure superior compatibility with aromatic solvents, tackifiers, and waxes, making it the ideal choice for Indian and global flexible packaging converters, ink manufacturers, and adhesive formulators seeking premium performance and versatility.

Functional Features & Technical Detail

• Ultra-High VA Content: 41–44% VA for exceptional polarity, adhesion, and softness unmatched by lower-VA grades.
• Exceptional Fluidity: MFI ~60–75 g/10min for ultra-rapid processing, easy solubilization, and superior film formation.
• Superior Solubility: Dissolves rapidly in aromatic solvents (toluene, xylene, cyclohexane) and partially in ketones and esters, enabling fast ink and adhesive formulation.
• Excellent Compatibility: Blends seamlessly with most tackifiers, waxes, pigments, and additives without phase separation.
• Soft, Flexible Matrix: Shore A ~42 for exceptional flexibility and elasticity in films, coatings, and compounds.
• Consistent Quality: Narrow property bands, reliable SK Functional production standards, and comprehensive technical support.

Applications

SK Functional EVA Evatane 42-60 is trusted across India's flexible packaging, printing, adhesive, and industrial sectors for:

Solvent-Based Inks for Flexible Packaging and Reverse Printing

SK Functional EVA Evatane 42-60 is the preferred binder resin for high-performance solvent-based inks used in flexible packaging reverse printing, label printing, and specialty coating applications. The ultra-high VA content (41–44%) delivers exceptional polarity and adhesion to corona-treated polyethylene, polypropylene, and polyester films, ensuring vibrant color transfer and durable print adhesion. The exceptional melt flow index (~60–75 g/10min) enables rapid dissolution in aromatic solvent blends (cyclohexane, MEK, ethyl acetate), reducing ink preparation time and improving production efficiency. SK Functional EVA Evatane 42-60 provides superior film formation, gloss, and mechanical resistance to flexing and abrasion, critical for high-speed packaging lines and demanding end-use environments. Its compatibility with most pigments, resins, and additives allows ink formulators to optimize color, viscosity, and performance without changing the base binder, reducing inventory complexity and accelerating time-to-market for new ink grades.

Laminating Adhesives and Solvent-Based Bonding Systems

SK Functional EVA Evatane 42-60 serves as the primary polymer in solvent-based laminating adhesives for flexible packaging, laminates, and specialty bonding applications. The resin's high polarity and softness ensure strong, flexible bonds between films, foils, and papers without brittleness or delamination under thermal stress or mechanical flexing. Its rapid solubility in aromatic solvents enables fast, uniform coating application at controlled viscosity, ensuring consistent coat weight and bond strength across production runs. SK Functional EVA Evatane 42-60 formulations deliver excellent wetting to low-energy surfaces, superior peel strength, and long-term durability in moisture and temperature cycling. The resin's compatibility with common adhesive additives—plasticizers, crosslinkers, and antioxidants—simplifies formulation development and enables fine-tuning of open time, tack, and cure speed to match specific lamination equipment and production schedules.

Hot-Melt Adhesives with High Fluidity Requirements

SK Functional EVA Evatane 42-60 serves as a premium high-VA base resin in hot-melt adhesive formulations where exceptional fluidity, rapid melting, and superior wetting are critical. The ultra-high MFI (~60–75 g/10min) enables rapid melting at lower temperatures, reducing energy consumption and improving line speed on high-speed packaging, bookbinding, and assembly equipment. When combined with rosin ester tackifiers and microcrystalline waxes, SK Functional EVA Evatane 42-60 delivers strong initial tack, fast set speed, and excellent flexibility in the final bond. The resin's high polarity ensures reliable adhesion to diverse substrates—cardboard, plastics, metals, and coated papers—expanding application scope for flexible packaging, labels, and specialty bonding. Its low gel content and consistent pellet quality guarantee smooth extrusion, minimal stringing, and reliable performance on automated adhesive application systems.

Flexible Compounds and Industrial Elastomeric Applications

SK Functional EVA Evatane 42-60 is used as a soft, polar matrix in flexible compounds, elastomeric blends, and specialty formulations where high flexibility, low hardness, and strong adhesion are required. The resin's Shore A ~42 and high elongation (900–1100%) enable the production of soft, impact-resistant compounds suitable for gaskets, seals, flexible tubing, and protective coatings. Its compatibility with various fillers, plasticizers, and crosslinkers allows formulators to tailor hardness, tensile strength, and elasticity to match specific performance requirements. SK Functional EVA Evatane 42-60's thermal stability and antioxidant package resist degradation during processing and end-use, maintaining mechanical properties and color stability over extended service life.

Applications

• Solvent-based flexible packaging inks
• Reverse printing and label inks
• Laminating adhesives and bonding systems
• High-fluidity hot-melt adhesives
• Flexible elastomeric compounds