Michem® Flex 4915


A general purpose A-A heat seal coating for sealing aluminum foil or paper to itself.


Water-based heat seal coating for foil and paper

Performance Attributes

This product is used in many applications including the following:

ApplicationProperties Imparted
Heat Seal Coatingsmetal, Substrate - paper

See more products recommended for Heat Seal Coatings.
Physical Properties

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

AppearanceTranslucent liquid
pH8.4 - 9.4
Shelf Life (mo) 24
Freeze/Thaw StabilityNone: protect from freezing
Percent Non-Volatile24.2 - 25.4
DIN Cup Viscosity (s) 27 - 33
DIN Cup Number4
Specific Gravity0.98 - 1.00
Brookfield Viscosity (cps, mPa·s) 50 - 250
Spindle Number2

Site of Manufacture (and Product Code)

AUB (MF4915.E)

Application Data

Michem® Flex 4915 may be applied via flexo, gravure or smooth roll coater. When possible, corona or flame treat substrates prior to priming and dry thoroughly with hot, circulating air. Recommended application weight as a heat seal coating may vary from typically 1 to 3 dry g/m2.