MOR-FREE™ L75-197 is one component of a two-component solventless polyurethane adhesive system primarily used in metallized snack food packaging.
MOR-FREE™ L75-197 is the isocyanate component of a 100% solids solventless polyurethane adhesive system. It is mixed with coreactant CR-5 to form the adhesive system, providing excellent adhesion to high-slip substrates, such as metallized films, polyolefin films, and nylon. The adhesive is applied at room temperature and has a very fast cure time, allowing laminates to be further processed in as few as six hours. MOR-FREE™ L75-197 is 21 CFR 175.105 compliant and commonly used to create laminates used in snack food packaging, bottle labels, shrink labels, and condiment packaging.
Solids content, %: 100
Viscosity at 25°C, mPa·s: 2,800–4,400
Weight/gallon, lb/gal: 8.95
Mix ratio by weight, pbw (MOR-FREE™ L75-197:coreactant): 100:60
Nip temperature, °F: 120–160
Wet color: Colorless to slightly yellow
Wet appearance: Clear to hazy yellow liquid
Primary Chemistry: Isocyanate
Zero VOCs
Fast curing and slitting times
Broad substrate compatibility
21 CFR 175.105 compliant
Low odor
Excellent clarity
Adhesion to high-slip films
Poor adhesion to high-slip films used in flexible packaging laminations
Delay of packaging production due to slow processing times of film laminations
Health and safety hazards posed by using adhesives with high-VOC content
Bottle labels
Meat and cheese packaging
Snack food packaging
Confectionery packaging
Shrink labels
Condiment packaging
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