Hydrosize® EP834

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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A continuous fiber sizing ideal for both carbon and glass fiber reinforcements. This product is also PET/PBT compatible and APE free.


Nonionic epoxy dispersion

Performance Attributes

This product is used in many applications including the following:

ApplicationProperties Imparted
Fiber Sizingchopped strands, continuous fiber, thermosets compatible

See more products recommended for Fiber Sizing.
Physical Properties

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

AppearanceMilky white
pH5.0 - 8.0
Emulsifier ChargeNonionic
Percent Non-Volatile59.0 - 61.0
Recommended pH Range2.0 - 12.0
Brookfield Viscosity (cps, mPa·s) <5000
Spindle Number4

Site of Manufacture (and Product Code)

CIN (EP834)
SNG (EP834.S)


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