FGLASS Family Overview

FGLASS™ is a versatile family of fiber sizings and film formers used in the manufacturing of both glass fiber and carbon fiber. It is suitable for both chopped strand and continuous fiber applications. Learn more about FGLASS »


Used for sizing of polyamide reinforcements (including glass and carbon fiber). It can be used by itself or as an additive to enhance the performance of polyurethane-based sizing. This product is APE free.

Performance Attributes

This product is used in many applications including the following:

ApplicationProperties Imparted
Fiber Sizingchopped strands, continuous fiber, hydrolysis resistance, PA compatible

Physical Properties

pH2.1 – 5.0
Emulsifier ChargeN/A
Percent Non-Volatile39.0% – 41.0%
Recommended pH Range< 7
Brookfield Viscosity Range< 1000
Spindle Number3

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

Additional Information

Description: Ethylene Maleic Anhydride Copolymer solution

Handling: Avoid contact with eyes, skin and clothing. Handle in accordance with good industrial hygiene and safety practice. Use personal protective equipment as required.

Storage: Keep containers tightly closed in a dry, cool and well-ventilated place. Keep from freezing

Shelf Life: 12 Months

Technical Data Sheet: Click here to download a Technical Data Sheet PDF for FGLASS™ X90

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

Cincinnati, OH, USA (FGLASSX90)

Tuas, Singapore (FGLASSX90.S)