Michem® Flex P1853R


A water-based primer designed for a variety of substrates used in multiple applications including extrusion lamination, extrusion coating, and applying other functional coatings such as PVDC, acrylics, etc. It is designed for high-abuse applications including liquids and chemicals by providing exceptionally high bond strength with excellent chemical and water resistance. Michem® Flex P1853R is approved for direct food contact and can be utilized as a heat seal coating adhering to a variety of materials such as film, paper, and metal.


Water-based primer and heat seal coating for extrusion coated resins and treated film substrates

Performance Attributes

This product is used in many applications including the following:

ApplicationProperties Imparted
Heat Seal Coatingsmetal, Substrate - film, Substrate - paper
Extrusion Coating Primersadhesion for film, adhesion for metal and paper, chemical resistance

See more products recommended for Heat Seal Coatings.
See more products recommended for Extrusion Coating Primers.
Physical Properties

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

AppearanceWhite, translucent liquid
pH7.5 - 9.0
Shelf Life (mo) 24
Freeze/Thaw StabilityTBD
Percent Non-Volatile28.0 - 30.0
Specific Gravity0.99 - 1.01
Brookfield Viscosity (cps, mPa·s) 0 - 100
Spindle Number1

Site of Manufacture (and Product Code)

CIN (MFP1853R)
AUB (MFP1853R.E)
SNG (MFP1853R.S)

Application Data

Michem® Flex P1853R may be applied via flexo, gravure or smooth roll coater. Dry thoroughly with hot, circulating air. May be used for in-line or off-line processes. Recommended application weight for film substrates is between 0.1 - 1.0 dry g/m2. EZ Cup Viscosity - #2 cup = 24.5-26.5 sec.


Ensure adequate ventilation. Handle in accordance with good industrial hygiene and safety practice. Use personal protective equipment as required.