Overview
Surlyn-EAA is a specialized ionomer resin that combines the properties of Surlyn (ethylene-methacrylic acid copolymer) and EAA (ethylene-acrylic acid copolymer). It is known for its exceptional toughness, adhesion, and clarity, making it a preferred material for various industrial and consumer applications. The resin is typically supplied in pellet or sheet form and is processed using standard thermoplastic techniques such as extrusion and injection molding. Developed to meet the demands of high-performance applications, Surlyn-EAA offers a unique balance of mechanical properties and chemical resistance. Its versatility has led to widespread use in packaging, sporting goods, and industrial coatings, where durability and adhesion are critical.
Physical and Chemical Properties
Surlyn-EAA exhibits a density range of approximately 0.94-0.96 g/cm³, with a melting point between 90-100°C. The material is translucent to opaque, depending on the specific formulation and processing conditions. Its high toughness and flexibility are complemented by excellent resistance to chemicals, UV radiation, and abrasion. The resin is insoluble in water but can dissolve in certain organic solvents, making it suitable for coating and adhesive applications. Its ionomeric nature provides unique properties such as enhanced adhesion to polar substrates and improved impact resistance, even at low temperatures.
Main Applications
Surlyn-EAA is widely used in the packaging industry for films and laminates, where its excellent sealability and clarity are highly valued. It is also a key material in the production of sporting goods, such as golf ball covers, due to its durability and impact resistance. In industrial applications, Surlyn-EAA serves as a coating material for metals and other substrates, providing corrosion protection and adhesion. Additionally, it is used in adhesives and sealants, where its compatibility with various materials and strong bonding properties are essential.
Safety and Storage
Surlyn-EAA is generally considered safe for handling, but precautions should be taken to avoid inhalation of dust and prolonged skin contact. Proper ventilation and personal protective equipment (PPE) such as gloves and masks are recommended during processing. The resin should be stored in a cool, dry place away from direct sunlight and moisture to prevent degradation. Bulk quantities should be kept in sealed containers to maintain material integrity and performance over time.
B2B Procurement Guide
When procuring Surlyn-EAA, it is essential to verify supplier certifications and request technical data sheets to ensure the material meets your specific requirements. Consider application-specific grades, as properties can vary significantly between formulations. Pricing typically ranges from $2.50 to $4.00 per kg, though this can fluctuate based on market conditions and order volume. For large-scale purchases, negotiate bulk discounts and confirm lead times to avoid supply chain disruptions.
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