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Westlake’s EMAC® SP2268 is an ethylene methyl acrylate copolymer with enhanced toughness and polymer adhesion. It performs well in low-temperature environments and is typically used for extrusion coating, tie layer, and compounding applications.
EMAC® SP2268 is an ethylene methyl acrylate copolymer that provides high performance at low temperatures and exhibits excellent polymer compatibility and adhesion. Containing 24% ethylene methyl acrylate and no plasticizers, it is a soft and flexible polymer that creates a high degree of durability and flexibility. EMAC® SP2268 can be processed by injection molding, extrusion, or lamination processes to produce flexible packaging, films, disposable gloves, and extrusion coatings and laminations. It has a melting point of 76°C and a brittleness temperature of less than −73°C. Its noncorrosive nature and ability to be filled with high solids make it a suitable choice for many compounding applications with broad polymer compatibility and adhesion to paper, polyesters, polyolefins, oriented polyolefins, PVC, ionomers, and other polar polymers.
Methyl acrylate content, wt%: 24
Melt index, g/10 min: 10.0
Density, kg/m³ (g/cm³): 945 (0.945)
Vicat softening temperature, °C (°F): 41 (106)
Melting point, °C (°F): 76 (169)
Brittleness temperature, °C (°F): Less than −73 (Less than −99)
Durometer hardness Shore D scale: 34
Tensile stress at break, MPa (psi): 8 (1,100)
Elongation at break, %: 815
Primary Chemistry:
Ethylene methyl acrylate block copolymer
Incompatibility or adhesion to other polymers
Poor low-temperature resistance or flexibility of polymers
Low flexibility at low temperatures
Extrusion coatings and laminations
Masterbatching and compounding applications
Injection molding
Flexible packaging
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