| 摘要 |
PURPOSE: In synthesizing a fiberizable glass composition which has a KI value more than 40, the composition should have low level of alumina, which ends up with unsatisfied durability. CONSTITUTION: A fiberizable glass composition which has KI value more than 40, while possessing acceptable processing properties such as viscosity and liquid temperatures is provided. The glass composition processes well in the furnace with acceptably low levels of foaming and is readily fiberizable. The glass has a high boron content, a high soda content, and contains only small amounts of alumina. Further, the glass contains small amounts of barium sulfate which improves the durability of the glass fiber in use.
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