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ADCOTE™ 37R345-PS
ADCOTE™ 37R345-PS is a water-based heat seal coating based on ethylene vinyl acetate. It is primarily used as a breathable adhesive to seal and form sterilizable pouch medical packaging.
Fulfilled By ChemPoint
- Manufacturer: Bostik, Inc.
- Product Line: Bostik Laminating Adhesives
- Product: ADCOTE™
- Industries: Adhesives | Coatings
- Authorized Countries: Canada | United States
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Overview
ADCOTE™ 37R345-PS is a water-based dispersion of ethylene vinyl acetate used as a heat seal coating in medical and pharmaceutical packaging. When applied to Tyvek®, sterilizable paper, or spunbonded polyolefin at a coating weight of 2.0–5.0 pounds per ream, it forms a nontacky, porous, gas-sterilizable coating. Since the ethylene vinyl acetate resin is thermoplastic, the ADCOTE™ 37R345-PS coating can then be heated to form a seal to polystyrene, vinyl, XT® polymer, and polyethylene at a relatively low activation temperature for peelable bonds with good moisture resistance. As ADCOTE™ 37R345-PS is porous, it allows for sterilization treatment to pass through to reach medical instruments within packaging structures. ADCOTE™ 37R345-PS can also be used as a base for formulating functional coatings for flexible substrates.
Tyvek® is a registered trademark of DuPont de Nemours, Inc.
XT® is a registered trademark of Röhm GmbH.
Specifications
Solids (%): 45
Viscosity at 77°F (cPs): 400
Density (lb/gal): 8.2
pH: 10
Gurley porosity (sec): 50–105
Minimum heat activation range (°F): 170–250
Primary Chemistry: Ethylene vinyl acetate
Features & Benefits
Forms film with high porosity, allowing for sterilization gas to pass through
Adhesive properties can be activated at low temperatures
Prior to heat sealing, heat seal coating is nontacky and does not block
Problems Solved
Low porosity of heat seal coatings, preventing effective gas sterilization treatment
Heat seal coatings form low-strength bonds to substrates used for sterilizable medical packaging
Applications
Medical and pharmaceutical packaging
Sterilizable pouches
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