Michem® Flex HS777


Provides excellent adhesion to paper and is heat sealable to polyolefins and paper. This coating is primarily used in medical device packaging.


Water-based heat seal coating for use in flexible packaging

Performance Attributes

This product is used in many applications including the following:

ApplicationProperties Imparted
Heat Seal CoatingsSubstrate - paper

See more products recommended for Heat Seal Coatings.
Physical Properties

These physical properties are typical but should not be considered specifications.

EZ Cup Viscosity (s) 33 - 35
Cup Number2
pH9.0 - 11.0
Shelf Life (mo) 6
Freeze/Thaw StabilityNone: protect from freezing
Percent Non-Volatile40.0 - 43.0
Specific Gravity0.97 - 0.99
Brookfield Viscosity (cps, mPa·s) <500
Spindle Number2

Site of Manufacture (and Product Code)


Application Data

Michem® Flex HS777 can be applied via rod, air knife and gravure. EZ Cup Viscosity value for a #3 cup is 11 - 13 seconds. EZ Cup Viscosity value for a #2 cup is 33 - 35 seconds.


Ensure adequate ventilation. Handle in accordance with good industrial hygiene and safety practice.