Adcote™ 503A is the polyester component of a solvent-based two-component laminating adhesive. It is preferred in applications where optical clarity, high-bond strength, as well as superb heat and chemical resistance are needed.
Adcote™ 503A is the polyester component of a two component laminating adhesive which requires the use of an isocyanate coreactant. This polyester in conjunction with various isocyanate terminated coreactants functions as an adhesive for flexible packaging and industrial laminations.
Solids: 44%
Viscosity: 900 cps @ 25°F
Weight/Gallon: 7.9 lb
Solvents: Methyl ethyl ketone
Coreactant: Coreactant F**
Mix Ratio: 100 pbw Adcote 503A, 5.25 pbw Coreactant F 100 pbw Adcote 503A, 4.20 pbw Coreactant 9L10
Diluents: Methyl ethyl ketone, toluene, urethane grade ethyl acetate, or 1,1,1-trichloroethane
Primary Chemistry: Polyester
Optical clarity
High bond strength
High level of heat and chemical resistance
Failure of laminating adhesives in retort packaging applications due to poor heat and chemical resistance
Cellophane, treated polyolefins, polyester, polyamide, aluminum foil, metallized and PVDC coated materials, treated heat-sealable layers of coextrusions
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