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MOR-FREE™ 421
MOR-FREE™ 421 is the isocyanate component of a two-component solventless polyurethane adhesive. It is used to laminate polyolefin films to other packaging substrates.
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- Manufacturer: Bostik, Inc.
- Product Line: Bostik Laminating Adhesives
- Product: MOR-FREE™
- Industries: Adhesives
- Authorized Countries: Canada | United States
Fulfilled By ChemPoint
Fulfilled By ChemPoint
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Authorized Countries
Canada
United States
Overview
MOR-FREE™ 421 is an isocyanate used with the C-411 to create a 100% solids content laminating adhesive system. This adhesive system provides outstanding adhesion to high-slip films and can be used to laminate polyolefin films to nylon, aluminum, polyester, and other polyolefin films. MOR-FREE™ 421 forms an adhesive system that offers very fast bond development, where laminates can usually be processed within 4–8 hours after lamination. This allows for faster run speed and increased efficiency in terms of packaging laminate manufacturing. MOR-FREE™ 421 is FDA 21 CFR 175.105 compliant and, therefore, is commonly used in snack food packaging, frozen food packaging, and confectionery packaging applications.
Specifications
Solids content, %: 100
Viscosity at 25°C, cPs: 2,500–3,500
Weight/gallon, lb/gal: 9.5
Appearance: Clear yellow liquid
Mix ratio, pbw (MOR-FREE™ 421: coreactant): 100:40
Primary Chemistry: Isocyanate
Features & Benefits
- Zero VOCs
- Good adhesion to high-slip films
- Fast bond development and time to slit after lamination
- Enables fast run speeds
- Easy cleanup
- Low nip temperature
Problems Solved
Slow run speeds of film lamination operations due to slow bond development or cure of solvent-free laminating adhesives Difficult adhesion to high-slip films Health and safety hazards posed by using adhesives with high-VOC content
Applications
Snack food packaging Frozen food packaging Confectionery packaging Stand up pouches
Related Applications
Adhesives
Related Chemistries
Adhesives
Related Functions
Adhesives
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