ADCOTE 548

Adcote™ 548 adhesive 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. Adcote 548 adhesive adheres to a wide variety of substrates including cellophane, treated polyolefins, polyester, polyamide, aluminum foil, paper, metallized and PVDC coated materials, and the treated heat-sealable layers of coextrusions.

The principal uses for Adcote 548 adhesive with coreactant are in meat and cheese packaging, coffee pouches, condiment packaging, cable wraps, and liquid packaging. The use of Coreactant CT provides shorter cure times, and better heat and chemical resistance.

Features & Benefits

Adcote™ 548 adhesive provides optical clarity, high bond strength, and a high level of heat and chemical resistance. Adcote 548 also can accept loadings of filler and Fire retardant while still maintaining adhesive properties

Key Properties

Application Method
Gravure
Coreactant
Coreactant F, Coreactant CT
Coating Weight
1.0-1.5 lbs/ream
Carrier
Methyl Ethyl Ketone
Chemistry
Polyester
Color
Clear Amber Liquid
Density
8.8 lbs/gallon
Mix Ratio
90:10 for Coreactant F, 90:10 for Coreactant CT
Recommended Diluent
Methyl Ethyl Ketone, Ethyl Acetate, Toluene
Drying Web Temperature
150-180 °F
Key Performance Benefits
optical clarity, heat and chemical resistance, ability to accept filler
Shelf Life
360 days
Applied Solids
30-40 %
Supplied Solids
66 %
Solvent
Methyl Ethyl Ketone
Thinner
Methyl Ethyl Ketone , Ethyl Acetate, Toluene
Cure Time
7-10 days @ 70 °F
Mixed Viscosity
3,500 cPs
Nip Temperature
140-180 °F
Nominal Application Temperature
Room Temperature
Post Process Time
24-48 hours 70 °F
Pot Life
> 8 hours
Substrates
Cellophane, Treated Polyolefins, Polyester, Polyamide, Aluminum Foil, Paper, metallized- and PVDC-coated Materials, Treated Heat-sealable Layers of coextrusions.
Viscosity
3,500 cPs @ 25 °C

Technical 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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