|국가/구분||United States(US) Patent 등록|
|국제특허분류(IPC7판)||C03C-003/091 C03C-003/076 C03C-003/087 C03C-013/06 C03C-013/00|
|미국특허분류(USC)||501/066; 501/035; 501/036; 501/070|
|발명자 / 주소|
|출원인 / 주소|
|인용정보||피인용 횟수 : 11 인용 특허 : 6|
Provided is a glass composition useful in preparing fiberglass, with the composition comprising SiO2 in an amount ranging from 52-62 weight percent: B2O3 in an amount ranging from 3.5-5.5 weight percent; CaO in an amount ranging from 18-25 weight percent; MgO in an amount ranging from 0.5-4 weight percent; Al 2O3 in an amount ranging from...
What is claimed is: 1. A glass composition useful in preparing fiberglass, comprising: SiO2 52-62 wt. % B2O3 3.5-5.5 wt. % CaO 18-25 wt. % MgO 0.5-4 wt. % Al2O3 10-15 wt. % Na2O 0.25-2 wt. %; and wherein the glass composition has an HTV of no greater than 2300째 F. and a liquidus temperature at least 150째 F. less than the HTV temperature. 2. The glass composition of claim 1, wherein the amount of SiO2 ranges from 53 to 57 wt. %. 3. The glass composition of claim 2, wherein the amount of B2O3 ranges from 4...