Hydrolube® 743

Hydrolube 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. Learn more about Hydrolube »


An APE free additive used as a lubricant for fiber sizing applications that exhibits excellent compatibility with a high degree of water, block, and mar resistance.

Performance Attributes

This product is used in many applications including the following:

ApplicationProperties Imparted
Fiber Sizingslip and lubricity, thermosets compatible

Physical Properties

AppearanceWhite low viscosity liquid
pH7.0 – 10.5
Emulsifier ChargeNonionic
Percent Non-Volatile31.5% – 32.5%
Recommended pH Range2 – 12
Brookfield Viscosity Range< 150
Spindle Number2

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

Additional Information

Description: Paraffin wax emulsion

Shelf Life: 24 Months

Technical Data Sheet: Click here to download a Technical Data Sheet PDF for Hydrolube® 743

Site(s) of Manufacture (and Product Code):

Cincinnati, OH, USA (HL743)

Aubange, Belgium (HL743.E)