Patent ID: 6828264
Filing Date: 2004-12-07
Classification: C03B,C03C

Abstract:
A glass composition useful in preparing glass fibers, the composition comprising, in mole %, SiO268 to 73ZrO20 to 3TiO20 to 2Al2O30.1 to 3â€‚â€‰B2O3â€‚5 to 12CaO0 to 9MgO0 to 5BaO0 to 3ZnO0 to 5Na2Oâ€‚8 to 17K2O0 to 5Li2O0 to 4F20 to 2and with the glass composition prepraring glass fibers which exhibit a (Kdis) greater than 100 ng/cm2 hr and a free energy of hydration not less than âˆ’4.5 kcal/mole.