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EMAC+® SP1501 is a 20% EMA copolymer developed by Westlake for applications requiring flexibility, toughness, and high- and low-temperature performance. It offers excellent elasticity and temperature-resistance properties with a brittleness temperature of less than −73°C and a melting point of 96°C.
EMAC+® SP1501 is a high-performance ethylene methyl acrylate (EMA) block copolymer containing 20% methyl acrylate. It is especially suited for applications where high filler loading is important, such as extrusion coatings, compounding, and hot-melt adhesives. With its excellent flexibility, toughness, and freezing-temperature performance, it withstands demanding operating conditions, resisting impact and environmental stress cracking. EMAC+® SP1501 is exceptionally compatible with a wide range of substrates and polymers, including paper, polyolefins, ionomers, PVC, polyesters, and other polar polymers. EMAC+® SP1501 provides performance at both high and low temperature extremes and has a durometer hardness Shore D scale of 37 and offers 480% elongation at break.
Methyl acrylate content, wt%: 20
Melt index, g/10 min: 25
Density, kg/m³ (g/cm³): 941 (0.941)
Vicat softening temperature, °C (°F): 41 (122)
Melting point, °C (°F): 96 (205)
Brittleness temperature, °C (°F): Less than −73 (Less than −99)
Durometer hardness, Shore D scale: 37
Tensile stress at break, MPa (psi): 5.5 (800)
Tensile stress at yield, MPa (psi): 3.9 (560)
Elongation at break, %: 480
Primary Chemistry:
Ethylene methyl acrylate block copolymer
Poor compatibility or adhesion to other polymers, such as papers, polyolefins, polyesters, ionomers, PVC, etc.
Low-temperature resistance or flexibility of polymers
Insufficient heat resistance of standard EMAs
Inadequate impact resistance of PET or engineering polymers
Extrusion coatings and laminations
Compounding applications
High filler loadings
Hot-melt adhesives
Compatibilizer
Masterbatch carrier resin
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