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公开(公告)号：EP3147267B1
公开(公告)日：2018-09-19
申请号：EP15895143.4
申请日：2015-12-18
CPC分类号： C03C13/00 , C03C3/087 , C03C2213/00
摘要： Provided is a glass composition for glass fiber allowing spinning to be stably performed without mixing of red foreign substances into glass fibers. The glass composition for glass fiber includes, in relation to the total amount thereof, SiO 2 in a content falling within a range from 57.0 to 60.0% by mass, Al 2 O 3 in a content falling within a range from 17.5 to 20.0% by mass, MgO in a content falling within a range from 8.5 to 12.0% by mass, CaO in a content falling within a range from 10.0 to 13.0% by mass and B 2 O 3 in a content falling within a range from 0.5 to 1.5% by mass, the total content of SiO 2 , Al 2 O 3 , MgO and CaO being 98.0% by mass or more.
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公开(公告)号：EP3339264A1
公开(公告)日：2018-06-27
申请号：EP15902216.9
申请日：2015-08-21
IPC分类号： C03C13/00
CPC分类号： C03C13/00 , C03B37/075 , C03B2203/02 , C03C3/087 , C03C3/091
摘要： Provided is a method for producing glass fiber, capable of stably performing the spinning of glass fibers without mixing of red crystals in glass fibers. When glass fibers are formed by discharging, from a nozzle tip, a molten glass obtained by melting glass raw materials mixed so as to give a glass composition including, when melted, in relation to the total amount thereof, SiO 2 in a range from 57.0 to 62.0% by mass, Al 2 O 3 in a range from 15.0 to 20.0% by mass, MgO in a range from 7.5 to 12.0% by mass, and CaO in a range from 9.0 to 16.5% by mass, and having a total content of SiO 2 , Al 2 O 3 , MgO and CaO of 98.0% by mass or more, the glass composition includes B 2 O 3 , Li 2 O, or B 2 O 3 and Li 2 O as an additive or additives capable of suppressing the generation of red crystals.
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公开(公告)号：EP3147267A1
公开(公告)日：2017-03-29
申请号：EP15895143.4
申请日：2015-12-18
IPC分类号： C03C13/00
CPC分类号： C03C13/00 , C03C3/087 , C03C2213/00
摘要： Provided is a glass composition for glass fiber allowing spinning to be stably performed without mixing of red foreign substances into glass fibers. The glass composition for glass fiber includes, in relation to the total amount thereof, SiO 2 in a content falling within a range from 57.0 to 60.0% by mass, Al 2 O 3 in a content falling within a range from 17.5 to 20.0% by mass, MgO in a content falling within a range from 8.5 to 12.0% by mass, CaO in a content falling within a range from 10.0 to 13.0% by mass and B 2 O 3 in a content falling within a range from 0.5 to 1.5% by mass, the total content of SiO 2 , Al 2 O 3 , MgO and CaO being 98.0% by mass or more.
摘要翻译： 本发明提供一种玻璃纤维用玻璃组合物，其能够在不使红色异物混入玻璃纤维的情况下稳定地进行纺丝。 该玻璃纤维用玻璃组合物相对于其总量含有：SiO 2：57.0〜60.0质量％，Al 2 O 3：17.5〜20.0质量％，MgO： 8.5〜12.0质量％范围内的含量，10.0〜13.0质量％范围内的CaO和0.5〜1.5质量％范围内的B 2 O 3， SiO 2，Al 2 O 3，MgO和CaO为98.0质量％以上。
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