Hydrosize® U2-04

Brand Family Overview

Hydrolube® fiber lubricants are used to protect glass fiber and other reinforcing fibers during forming, processing and post-processing. Other attribute enhancing properties vary among the product line.

See more Hydrolube products.


A specialty coating and fiber sizing which offers improved thermal stability, higher strength and elongation to break.


Polyurethane dispersion

Performance Attributes

This product is used in many applications including the following:

ApplicationProperties Imparted
Cable & Cordageadhesion promotion
Fiber Sizingchopped strands, PA compatible, PC compatible, thermal stability

See more products recommended for Cable & Cordage.
See more products recommended for Fiber Sizing.
Physical Properties

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

AppearanceMilky white liquid
pH7.2 - 8.5
Emulsifier ChargeAnionic / Nonionic
Percent Non-Volatile58.0 - 60.0
Recommended pH Range>7
Brookfield Viscosity (cps, mPa·s) 200 - 1500
Spindle Number3

Site of Manufacture (and Product Code)

CIN (U204)


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