Westlake EMAC® SP 1257 Ethylene-Methyl Acrylate Copolymer

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Westlake EMAC® SP 1257 Ethylene-Methyl Acrylate Copolymer (discontinued **)
Categories:	Polymer; Film; Thermoplastic; Ethylene Methyl Acrylate; Ethylene-Methyl Acrylate Copolymer, Film Grade
Material Notes:	20% Methyl Acrylate Content. Characteristics: FDA Clearance for Packaging of Most Foods, Including Aseptic Packaging; Less Crystalline and Softer than Polyethylene; Excellent Heat Stability Allows Processing Temperature Range of 280-600°F; Non-corrosive at all Temperature Ranges; No FDA Thickness Limitations; Contains a High Level of Slip and Antiblock Additives Applications:Film: Excellent Heat Seal Response at Low Temperatures, Making it a Good Candidate for the Heat Seal Layer in Various Coextrusion Constructions; Coatings & Laminations: Higher Neck-In but Similar Drawdown vs. Polyethylene, Excellent Heat Seal Response at Low Seal Temperatures, Processing Temperature Range - 580-600°F, Can be Drawn as Low as 4 lbs. per ream, Gas Barrier and Grease Resistance are Slightly Less than those of LDPE; Coextrusion: Excellent Coextrusion Tie Layer for LDPE, LLDPE, HDPE, PP, EVA, EEA, Ionomer, PET, PC, PVDC and rigid PVC; Injection Molding: Processing Temperature 360-600°F, Less Mold Shrinkage than LDPE, Produces Very Tough, Stress Crack Resistant Parts Eastman Chemical Company sold its polyethylene business to Westlake Chemical Corporation in Dec. 2006. This grade no longer appears in the Westlake product line.
Vendors:

Available Properties

Density, ASTM D1505
ESCR 10% Igepal®, ASTM D1693, F₅₀
Melt Flow, ASTM D1238, Cond. E
Hardness, Shore A, ASTM D2240
Hardness, Shore D, ASTM D2240
Tensile Strength, Ultimate, ASTM D638
Elongation at Break, ASTM D638
Melting Point, by DSC
Vicat Softening Point, ASTM D1525
Brittleness Temperature, ASTM D746
Processing Temperature, Blown Film
Processing Temperature, Molding
Processing Temperature, Extrusion Coating

Property Data

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Manufacturer Notes:
Westlake Chemical Corporation

Category Notes
Plastic

**
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