一、產(chǎn)品性能指標(biāo):
性能 Properey | GGD-1 | GGD-2 | GGD-3 | GGD-4 | GGD-5 | ||
牌號 Brand | |||||||
化學(xué)成分(%)Chemical composition | SiO2≥ | 95 | 96 | 96 | 97 | 90 | |
Al2O3≤ | 0.7 | 0.6 | 0.6 | 0.5 | 0.4 | ||
Fe2O3≤ | 0.5 | 0.5 | 0.4 | 0.4 | 0.8 | ||
冷態(tài)耐壓強度(Mpa) Cold crushing strength |
1350℃×3h After firing at |
15 | 15 | 10 | 10 | 25 | |
顯氣孔率(%) Apparent porosity |
1350℃×3h After firing at |
26 | 26 | 25 | 25 | 23 | |
燒后線變化率(%)Linear changing after burnt | 1350℃×3h After firing at |
0~+1.6 | 0~+1.6 | 0~+1.2 | 0~+1.2 | 0~+1.0 | |
體積密度(g/cm3)Bulk density | 1350℃×3h After firing at |
2.0 | 2.0 | 2.1 | 2.1 | 2.2 | |
耐火度(℃) Refractoriness |
1630 | 1650 | 1650 | 1680 | — | ||
集料粒度(mm)Max. grain size of aggregate |
5 | 4.5 | 4.5 | 4.2 | 4.2 | ||
施工用量(kg/m3) Amount for construction |
2300 | 2300 | 2300 | 2400 | 2400 | ||
施工方式 Mathod of construction |
振動或搗打 Jolt or ramming | ||||||
應(yīng)用 Application |
青銅bronze | 紫銅.黃銅copper brass | 白銅cupronickel | 鋼.鐵stee l | 鋁及合金aluminium | ||
金屬熔煉爐、保溫爐 Melting furance for nonferrous metals |
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特點 Characteristic |
價廉 保溫 節(jié)電 不沾渣 快速干燥 化學(xué)結(jié)合 耐侵蝕Cost down Thernalinsulation Economy electricity Nostickresidue Fast drying Chemicalbonded Corrosion r
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