產(chǎn)品介紹
產(chǎn)品簡介 該產(chǎn)品采用莫來石、電熔亞白剛玉、剛玉粉摻和高溫、中溫、低溫復合燒結劑配制混合而成 產(chǎn)品優(yōu)勢 具有穩(wěn)定性好,抗渣性優(yōu)、性強、耐侵蝕、爐齡長等優(yōu)點。是工頻爐、中頻爐熔煉青銅、紫銅、白銅佳爐料。 產(chǎn)品優(yōu)勢 具有穩(wěn)定性好,抗渣性優(yōu)、性強、耐侵蝕、爐齡長等優(yōu)點。是工頻爐、中頻爐熔煉青銅、紫銅、白銅佳爐料。
理化指標
HDD-1 | HDDD-2 | HDD-3 | HDD-4 | HDD-5 | |||||
化學成分(%) Chemical composition | SiO2≥ | 98 | 96 | 96 | 96 | 96 | |||
Al2O3≤ | 0.7 | 0.6 | 0.6 | 0.5 | 0.4 | ||||
Fe2O3≤ | 0.1 | 0.1 | 0.4 | 0.4 | 0.8 | ||||
冷態(tài)耐壓強度(Mpa) Cold crushing strength | 1300℃×3h After firing at | 15 | 15 | 10 | 10 | 25 | |||
顯氣孔率(%) Apparent porosity | 1300℃×3h After firing at | 26 | 26 | 25 | 25 | 23 | |||
燒后線變化率(%) Linear changing after burnt | 1300℃×3h After firing at | 0~+1.6 | 0~+1.2 | 0~+1.0 | |||||
體積密度(kg/cm3) Bulk density | 1300℃×3h After firing at | 2.0 | 2.0 | 2.1 | 2.1 | 2.2 | |||
耐火度(℃)Refractoriness | 1800 | 1800 | 1780 | 1780 | — | ||||
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 | ||||||||
應用? Application | 鋼鐵 steel | 紫銅.黃銅copper? brass | 白銅cupronickel | 紫銅.黃銅 青銅? copper? brassbronze | ???鋁???? aluminium | ||||
適應:中頻爐熔化鋼、鐵及有色金屬等. Adaptation:IF steel and non-ferrous metal melting furnace. | |||||||||
特點Characteristic | 價廉?保溫?節(jié)電?不沾渣?快速干燥?化學結合?耐侵蝕 Cost down Thernalinsulation Economy electricity Nostickresidue ?Fast drying Chemicalbonded Corrosion resistance |