Coreactant 88-141 is the polyol coreactant used with the PACACEL™ L75-191 isocyanate to form the PACACEL™ L75-191/CR 88-141 solventless laminating adhesive system.
Coreactant 88-141 is the polyol coreactant in the PACACEL™ L75-191/CR 88-141 system. This adhesive system is a 100% solids, polyurethane solventless laminating adhesive. The PACACEL™ L75-191/CR 88-141 laminating adhesive has excellent adhesion to plastic films, metallized films, and foils. It also enables extremely fast run speeds and cure time; laminates made using this adhesive are ready for slitting in 4 hours, pouching in 24 hours, and food contact in 2 days. PACACEL™ L75-191/CR 88-141 complies with FDA 21 CFR 177.1395 conditions of use B–J and (EU) No 10/2011 regulatory approvals. This adhesive system is ideal for demanding food packaging applications, such as boil-in-bag, ovenable, and hot fill packaging, in addition to standard flexible packaging applications for meat and cheese, condiments, and frozen foods.
Solids (%): 100
Viscosity (25°C): 1,500 mPa·s
Weight/gallon (lbs): 9.01
Appearance: Clear
Mix ratio (pbw, PACACEL™ L75-191:CR 88-141): 100:65
Primary Chemistry: Polyol
Quicker slitting, rewinding, and other post-processing of laminates
Rapid bond development
Excellent ink compatibility
FDA 21 CFR 177.1395 compliant
FDA 21 CFR 175.105 compliant
Slow bond development of solventless laminating adhesives
Long postprocessing time of laminations used in flexible packaging
Poor adhesion to PET, PP, PET, coextruded polymer, and aluminum oxide–coated films
Hot fill pouches
Boil-in-bag pouches
Stand-up pouches
Snack food packaging
Frozen food packaging
Condiment packaging
Produce packaging
Meat and cheese packaging
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