Medium and high temperature sintered coarse crystalline Fe-Ti glaze and its prepn process
A production method and coarse crystallization technology are applied in the field of ceramic glaze and its production to achieve the effects of good glaze quality, simple process and small chromatic aberration
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Embodiment 1
[0028] Embodiment 1 is the best implementation scheme, which is a kind of iron-titanium system crystalline glaze suitable for daily-use white porcelain, and the specific technical scheme is described as follows:
[0029] with TiO 2 As crystallization agent, introduce CaO, Fe 2 o 3 with TiO 2 Form stable crystals. The technical formula of glaze is as follows in parts by weight:
[0030] Feldspar 45 parts Quartz 15 parts Calcite 15 parts
[0031] 5 parts of titanium dioxide, 5 parts of talc, 5 parts of iron red
[0032] Kaolin 10 parts
[0033] The chemical composition of the crystalline glaze prepared according to the above-mentioned process formula is as follows:
[0034] SiO 2 : 59% Al 2 o 3 : 9.8%K 2 O: 3.8%
[0035] Na 2 O: 1.8% CaO: 9.3% TiO 2 : 5.0%
[0036] Fe 2 o 3 : 6.0% MgO: 1.7%
[0037] The production method is as follows:
[0038] Accurately weigh various raw materials according to the requirements of the process formula, and the ratio of materia...
Embodiment 2
[0040] An iron-titanium system crystalline glaze suitable for daily-use white porcelain, the specific technical scheme is described as follows:
[0041] with TiO 2 As crystallization agent, introduce CaO, Fe 2 o 3 with TiO 2 Form stable crystals. The technical formula of glaze is as follows in parts by weight:
[0042] 45 parts of feldspar, 20 parts of quartz, 12 parts of calcite
[0043] 8 parts of titanium dioxide, 2 parts of talc, 10 parts of iron red
[0044] 5 parts kaolin
[0045] The chemical composition of the crystalline glaze prepared according to the above-mentioned process formula is as follows:
[0046] SiO 2 : 61% Al 2 o 3 : 8.5%K 2 O: 3.1%
[0047] Na 2 O: 1.2% CaO: 7.8% TiO 2 : 8.0%
[0048] Fe 2 o 3 : 10% MgO: 0.55%
[0049] The production method is as follows:
[0050]Accurately weigh various raw materials according to the requirements of the process formula, and the ratio of materials, ball stones and water is strictly 1:1.6:0.6. First, b...
Embodiment 3
[0052] An iron-titanium system crystalline glaze suitable for daily-use white porcelain, the specific technical scheme is described as follows:
[0053] with TiO 2 As crystallization agent, introduce CaO, Fe 2 o 3 with TiO 2 Form stable crystals. The technical formula of glaze is as follows in parts by weight:
[0054] Feldspar 45 parts Quartz 17 parts Calcite 15 parts
[0055] 6 parts of titanium dioxide, 4 parts of talc, 8 parts of iron red
[0056] 7 parts kaolin
[0057] The chemical composition of the crystalline glaze prepared according to the above-mentioned process formula is as follows:
[0058] SiO 2 : 60% Al 2 o 3 : 8.8% K 2 O: 3.8%
[0059] Na 2 O: 1.1% CaO: 8.2% TiO 2 : 6.2%
[0060] Fe 2 o 3 : 8.5% MgO: 1.2%
[0061] The production method is as follows:
[0062] Accurately weigh various raw materials according to the requirements of the process formula, and the ratio of materials, ball stones and water is strictly 1:1.6:0.6. Minerals such as f...
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