ADCOTE™ 503A

Adcote™ 503A is the polyester component of a solvent-based two-component laminating adhesive.  An isocyanate-terminated co-reactant such as Coreactant F is required.  The conjunction of Adcote™ 503A and co-reactant functions as an adhesive for flexible packaging and industrial lamination applications.  

The adhesive formed with Adcote™ 503A adheres to a wide variety of substrates including cellophane, treated polyolefins, polyester, polyamide, aluminum foil, metallized and PVDC-coated materials and treated heat-sealable layers of coextrusions. 

Features & Benefits

Adcote™ 503A provides great optical clarity, high-bond strength, as well as superb heat and chemical resistance.  

Key Properties

Application Method
Gravure
Coreactant
Coreactant F, Coreactant 9L-10
Coating Weight
1.2-2.0 lbs/ream
Carrier
Methyl ethyl ketone
Chemistry
Polyester
Color
Clear or Hazy Yellow Liquid
Density
7.9 lbs/gallon
Mix Ratio
100:5 for Coreactant F; 100:4 for Coreactant 9L-10
Recommended Diluent
Methyl ethyl ketone, Ethyl acetate, Toluene, 1,1,1-Trichloroethane
Drying Web Temperature
150-180 °F
Key Performance Benefits
great optical clarity, high-bond strength, superb heat and chemical resistance.
Shelf Life
360 days
Applied Solids
18-28%
Supplied Solids
44%
Solvent
Methyl ethyl ketone
Thinner
cellophane, treated polyolefins, polyester, polyamide, aluminum foil, metallized and PVDC-coated materials
Nip Temperature
170-220 °F
Nominal Application Temperature
Room Temperature
Post Process Time
3-5 days @ 120-130 °F
Pot Life
> 8 hours
Substrates
cellophane, treated polyolefins, polyester, polyamide, aluminum foil, metallized and PVDC-coated materials
Viscosity
900 cPs @ 25 °F
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