ADCOTE 518

Adcote™ 518 is the isocyanate-terminated polyester urethane component of a two-component adhesive system which requires the use of coreactant T8384 to achieve full properties. Adcote 518 adhesive provides high bond strength and a high level of heat and chemical resistance.

Adcote 518/T-8384 can be used in retortable structures to laminate polyester to foil, or nylon to foil. The adhesive layer must be separated from the food product by a functional barrier.

Adcote 518/T-8384 can be used for laminations where high chemical resistance from foods and chemicals is required. Adcote 518/T-8384 can also be used as an in-line primer for extrusion laminating and coating, where enhanced adhesion and heat resistance is needed.

Features & Benefits

Adcote™ 518 adhesive provides high bond strength and a high level of heat and chemical resistance.

Key Properties

Application Method
Gravure
Coreactant
Coreactant T-8384
Coating Weight
2.0-3.5 lbs/ream
Carrier
Ethyl Acetate
Chemistry
Polyester urethane
Color
Clear Amber Liquid
Density
9.2 lbs/gallon
Mix Ratio
100:2
Recommended Diluent
Ethyl Acetate
Drying Web Temperature
150-180 °F
Key Performance Benefits
heat and chemical resistance, high bonds, outer ply in retort structure
Shelf Life
360 days
Applied Solids
35-40 %
Supplied Solids
60 %
Solvent
Ethyl Acetate
Thinner
Ethyl Acetate
Cure Time
7-10 days @ 70 °F
Mixed Viscosity
300 cPs
Nip Temperature
150-220 °F
Nominal Application Temperature
Room Temperature
Post Process Time
24-48 hours @ 70 °F slitting/rewinding
Pot Life
> 8 hours
Substrates
PE, PP, Coex Films, PET, Foil, metallized Films, PVDC-coated Substrates, Paper, Nylon, Cellophane, PVC
Viscosity
300 cPs

Techincal Resources

The Importance of Quality Control Testing By being diligent in recording and monitoring tests for each laminated structure many potential laminate problems can be averted. Read More...
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