酸性、中性、碱性捣打料广泛应用在无芯中频炉、有芯感应炉中，作为中频炉捣打料用以熔化灰口铸铁、球墨铸铁、可煅铸铁、蠕墨铸铁及铸铁合金，熔化碳钢、合金钢、高锰钢、工具钢、耐热钢、不锈钢，熔化铝及其合金，熔化紫铜、黄铜、白铜及青铜等铜合金等。捣打料中一般不加增塑剂和缓凝剂之类的外加剂。所以水分比较低，当采用非水溶性有机结合剂时，混合料中无水。在有些捣打料中，还使用耐火纤维作为增强材料。联系电话：15637181777公司网址：www.hnrsnc.com捣打料理化指标
| HDD-1 | HDDD-2 | HDD-3 | HDD-4 | HDD-5 | |||||
| 化学成分（%）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 | ||||
| 冷态耐压强度（Mpa)Cold crushing strength | 1300℃×3hAfter firing at | 15 | 15 | 10 | 10 | 25 | |||
| 显气孔率（％）Ａpparent porosity | 1300℃×3hAfter firing at | 26 | 26 | 25 | 25 | 23 | |||
| 烧后线变化率（％）Linear changing after burnt | 1300℃×3hAfter firing at | 0～+1.6 | 0～+1.2 | 0～+1.0 | |||||
| 体积密度（g/cm3）Bulk density | 1300℃×3hAfter firing at | 2.0 | 2.0 | 2.1 | 2.1 | 2.2 | |||
| 耐火度(℃)Refractoriness | 1780 | 1780 | 1780 | 1780 | — | ||||
| **大集料粒度(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 | 紫铜.黄铜青铜 copper brassbronze | 紫铜.黄铜copper brass | 白铜cupronickel | 钢铁steel | 铝 aluminium | ||||
| 有色金属熔炼炉Melting furance for nonferrous metals适用于100KW以下感应电炉**be the same with 100KW hereinafter inductance 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 NostickresidueFast drying Chemicalbonded Corrosion resistance | ||||||||
