ADCOTE™ 37R345-PS is a water based, ethylene vinyl acetate, heat seal coating. that is used in medical packaging and peelable lidding applications.
ADCOTE™ 37R345-PS is a water-based dispersion of ethylene vinyl acetate that is used as a heat seal coating in medical and pharmaceutical packaging as well as lidding of food packaging. When applied to Tyvek®, sterilizable paper, and spunbonded polyolefin at a coating weight of 2.0-5.0 lbs per ream, it forms a porous, gas sterilizable coating with good opacity and block resistance. Coatings made from ADCOTE™ 37R345 can then be sealed to polystyrene, vinyl, XT polymer, and polyethylene at a relatively low activation temperature to form peelable bonds with good moisture resistance. ADCOTE™ 37R345-PS can also be used as a base for formulating functional coatings for flexible substrates.
Solids: 45%
Viscosity: 400 cps @ 77°F
Density: 8.2 lbs./gal.
pH: 10
Gurley porosity: 50 - 105 sec.
Minimum heat activation range: 170°F to 250°F
Primary Chemistry: Ethylene Vinyl Acetate
Great opacity
Block resistant
Good porosity
Heat seal coating can't be sterilized with gas
Heat seal lacquers is not porous
Medical and pharmaceutical packaging and other peelable lidding applications
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