Michem® Flex P1831

Brand Family Overview

NatureShield® products from Michelman are emulsions of natural oils and natural oil blends designed to protect topical wood. They provide water resistance and enhance the natural pattern of wood. They also impart water resistance to concrete, and can serve as a component for sealing stone surfaces to provide a wet look with a durable and attractive finish.

See more NatureShield products.


Promotes adhesion to many extrusion coated resins resulting in high bond strength for film, metal and paper substrates.


Water based primer for liquids and extrusion coated resins.

Performance Attributes

This product is used in many applications including the following:

ApplicationProperties Imparted
Extrusion Coating Primersadhesion for film

See more products recommended for Extrusion Coating Primers.
Physical Properties

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

AppearanceWhite translucent liquid
pH8.0 - 10.0
Emulsifier ChargeAmmoniated dispersion
Percent Non-Volatile27.5 - 29.0
Brookfield Viscosity (cps, mPa·s) <100
Spindle Number3

Site of Manufacture (and Product Code)

CIN (MFP1831)
AUB (MFP1831.E)
SNG (MFP1831.S)

Application Data

Michem®Flex P1831 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. 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 - #3 Cup, 8-13 sec.


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