Disclosed herein is a glass composition that includes, based on the total weight of the composition, 52 wt % to 58 wt % of SiO.sub.2, 12 wt % to 16 wt % of Al.sub.2O.sub.3, 16 wt % to 26 wt % of B.sub.2O.sub.3, greater than 0 wt % and not greater than 2 wt % of MgO, 1 wt % to 6 wt % of CaO, greater than 1 wt % and lower than 5 wt % of TiO.sub.2, greater than 0 wt % and not greater than 0.6 wt % of Na.sub.2O, 0 wt % to 0.5 wt % of K.sub.2O, 0 wt % to 1 wt % of F.sub.2, 1 wt % to 5 wt % of ZnO, greater than 0 wt % and not greater than 1 wt % of Fe.sub.2O.sub.3; and 0.1 wt % to 0.6 wt % of SO.sub.3. Also disclosed herein is a glass fiber including the glass composition.

A method for melting and/or refining glass, glass ceramic or glass which can be ceramized to form glass ceramic includes: providing a batch of raw materials; heating the batch until a melt of molten glass is obtained, the batch being heated at least in sections to a temperature above T3 which corresponds to a viscosity of the molten glass of 10.sup.3 dPa*s; refining the melt, the melt being heated at least in sections to a temperature above T2.5 which corresponds to a viscosity of the molten glass of 10.sup.2.5 dPa*s, refining of the melt includes adjusting an oxygen partial pressure p(O.sub.2) which is reduced by at least 60% relative to an O.sub.2 saturation in the melt at temperature T3; and obtaining a re-fined glass, a refined glass ceramic or a refined glass which can be ceramized to form glass ceramic.

A pharmaceutical container of the present invention is a pharmaceutical container including at least a container and a coating layer, and is characterized that the coating layer is coated on at least an inner surface of the container and the coating layer contains a silicone-based resin.

A pharmaceutical container of the present invention is a pharmaceutical container including at least a container and a coating layer, and is characterized that the coating layer is coated on at least an inner surface of the container and the coating layer contains a silicone-based resin.

Disclosed herein is a glass composition including, based on a total weight of the glass composition, 49 wt % to 59 wt % of SiO.sub.2, 9.5 wt % to 14.5 wt % of Al.sub.2O.sub.3, 19 wt % to 35 wt % of B.sub.2O.sub.3, 2 wt % to 5 wt % of CaO, 0.25 wt % to 3 wt % of ZnO, 0 wt % to 1 wt % of MgO, 0 wt % to 1 wt % of TiO.sub.2, 0 wt % to 3 wt % of ZrO.sub.2, and 0.1 wt % to 3.5 wt % of MnO. Also disclosed herein are a glass fiber and a glass article which include the glass composition.

A fining package for a glass composition may include cerium dioxide (CeO.sub.2) and tin oxide (SnO.sub.2). CeO.sub.2 may be present in an amount of 0.08 to 0.5 wt % of the glass composition, and SnO.sub.2 may be present in an amount of 0.02 to 0.23 wt % of the glass composition. The glass composition may be used to form glass tubing. The glass tubing may be used to form a pharmaceutical packaging. For example, the pharmaceutical packaging may comprise an ampoule. The fining package may further include chloride (Cl) in an amount of 0 to 0.03 wt % of the glass composition. In some instances, the fining package may be Cl-free. In some instances, the fining package may be F-free. The glass composition may comprise a borosilicate glass composition. The glass composition may comprise an aluminosilicate glass composition.

A fining package for a glass composition may include cerium dioxide (CeO.sub.2) and tin oxide (SnO.sub.2). CeO.sub.2 may be present in an amount of 0.08 to 0.5 wt % of the glass composition, and SnO.sub.2 may be present in an amount of 0.02 to 0.23 wt % of the glass composition. The glass composition may be used to form glass tubing. The glass tubing may be used to form a pharmaceutical packaging. For example, the pharmaceutical packaging may comprise an ampoule. The fining package may further include chloride (Cl) in an amount of 0 to 0.03 wt % of the glass composition. In some instances, the fining package may be Cl-free. In some instances, the fining package may be F-free. The glass composition may comprise a borosilicate glass composition. The glass composition may comprise an aluminosilicate glass composition.

A glass-ceramic includes glass and crystalline phases, where the crystalline phase includes non-stoichiometric suboxides of titanium, forming ‘bronze’-type solid state defect structures in which vacancies are occupied with dopant cations.

A glass-ceramic includes glass and crystalline phases, where the crystalline phase includes non-stoichiometric suboxides of titanium, forming ‘bronze’-type solid state defect structures in which vacancies are occupied with dopant cations.

An electronic-grade glass fiber composition includes the following components with corresponding amounts by weight percentages: 54.2-60% SiO.sub.2, 11-17.5% Al.sub.2O.sub.3, 0.7-4.5% B.sub.2O.sub.3, 18-23.8% CaO, 1-5.5% MgO, less than or equal to 24.8% CaO+MgO, less than 1% Na.sub.2O+K.sub.2O+Li.sub.2O, 0.05-0.8% TiO.sub.2, 0.05-0.7% Fe.sub.2O.sub.3, and 0.01-1.2% F.sub.2. The weight percentage ratio C1=SiO.sub.2/(RO+R.sub.2O) is greater than or equal to 2.20, and the total weight percentage of the above components is greater than or equal to 98.5%.