产品介绍
产品简介 该产品采用莫来石、电熔亚白刚玉、刚玉粉掺和高温、中温、低温复合烧结剂配制混合而成 产品优势 具有稳定性好，抗渣性优、性强、耐侵蚀、炉龄长等优点。是工频炉、中频炉熔炼青铜、紫铜、白铜佳炉料。 产品优势 具有稳定性好，抗渣性优、性强、耐侵蚀、炉龄长等优点。是工频炉、中频炉熔炼青铜、紫铜、白铜佳炉料。
理化指标
| hdd-1 | hddd-2 | hdd-3 | hdd-4 | hdd-5 | |||||
| 化学成分（%） 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 | ||||
| 冷态耐压强度（mpa) cold crushing strength | 1300℃×3h after firing at | 15 | 15 | 10 | 10 | 25 | |||
| 显气孔率（％） ａpparent porosity | 1300℃×3h after firing at | 26 | 26 | 25 | 25 | 23 | |||
| 烧后线变化率（％） linear changing after burnt | 1300℃×3h after firing at | 0～ 1.6 | 0～ 1.2 | 0～ 1.0 | |||||
| 体积密度（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 | 振动或捣打jolt or ramming | ||||||||
| 应用 application | 钢铁 steel | 紫铜.黄铜copper brass | 白铜cupronickel | 紫铜.黄铜 青铜 copper brassbronze | 铝 aluminium | ||||
| 适应：中频炉熔化钢、铁及有色金属等. adaptation：if steel and non-ferrous metal melting furnace. | |||||||||
| 特点characteristic | 价廉 保温 节电 不沾渣 快速干燥 化学结合 耐侵蚀 cost down thernalinsulation economy electricity nostickresidue fast drying chemicalbonded corrosion resistance | ||||||||
