J/30 Class Association Forums J/30 Forum The Boat, Sails and Equipment Win a J30 vinyl sticker

It is a really strong laminate that chews up saw blades when you try and cut it.

http://www.mil-tac.com/faq.htm#G10

G-10 is a thermosetting industrial laminate consisting of a continuous filament glass cloth material with an epoxy resin binder. It offers high dielectric strength, high tensile strength, chemical resistant, high flexural strength, dimensional stability, low moisture absorption, and high impact strength.