Hydrosize® U2023

Brand Family Overview

Our Hydrosize® line of products includes sizing solutions designed for use in the manufacturing of glass fiber, carbon fiber and natural fiber, including both chopped and continuous formats of those fibers. These are in turn used to manufacture composite products and components.

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An APE free, high strength sizing for glass and carbon fiber with excellent adhesion, providing good strand integrity and compatibility with most polyamide resins and polyester systems.


Nonionic polyurethane dispersion

Performance Attributes

This product is used in many applications including the following:

ApplicationProperties Imparted
Fiber Sizingchopped strands, impact resistance, PA compatible, PET/PBT compatible, thermal stability

See more products recommended for Fiber Sizing.
Physical Properties

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

AppearanceMilky white liquid
pH6.5 - 8.5
Emulsifier ChargeAnionic / Nonionic
Percent Non-Volatile59.0 - 61.0
Recommended pH Range>7.0
Brookfield Viscosity (cps, mPa·s) 500 - 2000
Spindle Number3

Site of Manufacture (and Product Code)

CIN (U2023)

Application Data

Stir well before using in production. The components of Hydrosize U2023 have been risk-assessed based on their function in the sizing in our Food Contact Declaration of Compliance. This assessment was made according to the scientific opinion of the EFSA (European Food and Safety Authority) Panel: "Approach for safety assessment of glass fibre-sizing agents in glass fibre-reinforced plastics for food contact." in relation with Commission Regulation EU n°10/2011 Article 5. Please contact Michelman Regulatory department in order to get our Food Contact Declaration of Compliance.


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