Hydrosize® U1-03

Brand Family Overview

U-Nyte™ products are fiberglass mat binders formulated with phenoxy toughened epoxy resin and compounded with a curing agent. They are used in the manufacturing of nonwoven and textile rolled goods, are compatible with vinyl ester, unsaturated polyester, epoxy and urethane, and are available in powder and flake form.

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Designed to be a fiber sizing coating with excellent adhesion and abrasion resistance.


Phenoxy modified 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

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Physical Properties

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

AppearanceMilky white dispersion
pH6.5 - 8.5
Emulsifier ChargeAnionic / Nonionic
Percent Non-Volatile49.0 - 52.0
Recommended pH Range>6
Brookfield Viscosity (cps, mPa·s) 250 - 700
Spindle Number3

Site of Manufacture (and Product Code)

CIN (U103)


Avoid contact with eyes, skin and clothing. Handle in accordance with good industrial hygiene and safety practice. Wear personal protective equipment.