Patent ID: 11905199
Assignee: ELECTRIC GLASS FIBER AMERICA, LLC.
Field: Materials, metallurgy (Chemistry)
Classification: CPC C | IPC C

Claim 12:
13. A polymeric composite comprising:
a polymeric material; and
a plurality of glass fibers formed from a fiberizable glass composition comprising:
SiO2 59-62 weight percent; Al2O314 to less than 18 weight percent; CaO 4-8 weight percent; MgO 6-11 weight percent; K2O present in an amount up to 1 weight percent; Li2O 0-2 weight percent; TiO2 0-3 weight percent; B2O3 0-3 weight percent; Cu2O 0-2 weight percent; SrO 0-3 weight percent; and at least one rare earth oxide in an amount not less than 3 weight percent, wherein the at least one rare earth oxide is selected from the group consisting of La2O3, Y2O3, Sc2O3, CeO2, Sm2O3, and Gd2O3, and other constituents 0-11 weight percent total.