What type of glass fiber is used in FMG?

Article courtesy of Smooth-On, Inc.

Continuous strand veils, commonly used in GRG, are also most often used in FMG for architectural ornamentation. Standard E-glass fiber used in FRP can also be used in the form of chopped strands, chopped strand mat or continuous strand mat. A minimum of 5% by weight of glass fiber should be used for architectural ornamentation, but as much as 15% is achievable depending on type of glass fiber used and properties required.

Disclaimer

This FAQ article is offered as a guideline and offers possible solutions to problems encountered during mold making and casting. No warranty is implied and it is up to the end user to determine suitability for any specific application. Always refer to the provided Technical Bulletins (TB) & Safety Data Sheets (SDS) before using any material. A small scale test is suggested to determine suitability of any recommendation before trying on a larger scale for any application.

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