锐(Rui)石(Shi)集(Ji)团(Tuan)((?)宝(Bao)珠(Zhu)砂(Sha)分(Fen)厂(Chang))(?)专(Zhuan)业(Ye)生(Sheng)产(Chan)宝(Bao)珠(Zhu)砂(Sha),(?)宝(Bao)珠(Zhu)砂(Sha)又(You)名(Ming)((?)铸(Zhu)宝(Bao)砂(Sha)、(?)电(Dian)熔(Rong)陶(Tao)粒(Li)、(?)陶(Tao)粒(Li)砂(Sha))(?)它(Ta)是(Shi)用(Yong)优(You)质(Zhi)铝(Lu)矾(Fan)土(Tu)材(Cai)料(Liao)经(Jing)电(Dian)弧(Hu)炉(Lu)熔(Rong)炼(Lian)而(?)成(Cheng),(?)年(Nian)产(Chan)量(Liang)18000吨(Dun),(?)宝(Bao)珠(Zhu)砂(Sha)价(Jia)格(Ge)合(He)理(Li),(?)性(Xing)价(Jia)比(Bi)大(Da)大(Da)优(You)于(Yu)锆(Gao)英(Ying)砂(Sha)、(?)铬(Ge)铁(Tie)矿(Kuang)砂(Sha);(?)特(Te)别(Bie)是(Shi)低(Di)膨(Peng)胀(Zhang)、(?)不(Bu)烧(Shao)结(Jie)、(?)不(Bu)粉(Fen)化(Hua)、(?)不(Bu)龟(Gui)裂(Lie)、(?)不(Bu)粘(Zhan)砂(Sha)((?)消(Xiao)除(Chu)了(Liao)铸(Zhu)体(Ti)质(Zhi)量(Liang)的(De)负(Fu)面(Mian)影(Ying)响(Xiang))(?)、(?)再(Zai)生(Sheng)性(Xing)能(Neng)好(Hao),(?)并(Bing)提(Ti)高(Gao)了(Liao)铸(Zhu)件(Jian)的(De)成(Cheng)品(Pin)率(Lu)。(?)
应(Ying)用(Yong)范(Fan)围(Wei)
宝(Bao)珠(Zhu)砂(Sha)广(Guang)泛(Fan)用(Yong)于(Yu)各(Ge)种(Zhong)铸(Zhu)造(Zao)方(Fang)式(Shi)((?)熔(Rong)模(Mo)、(?)实(Shi)型(Xing)、(?)消(Xiao)失(Shi)模(Mo)等(Deng))(?);(?)是(Shi)专(Zhuan)业(Ye)精(Jing)密(Mi)铸(Zhu)造(Zao)、(?)覆(Fu)膜(Mo)砂(Sha)、(?)自(Zi)硬(Ying)砂(Sha)的(De)新(Xin)型(Xing)铸(Zhu)造(Zao)用(Yong)砂(Sha):(?)也(Ye)用(Yong)于(Yu)喷(Pen)丸(Wan)((?)铝(Lu)、(?)铜(Tong)、(?)钢(Gang)铸(Zhu)件(Jian))(?)。(?)
生(Sheng)产(Chan)流(Liu)程(Cheng)
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生(Sheng)产(Chan)中(Zhong) | 生(Sheng)产(Chan)中(Zhong) |
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包(Bao)装(Zhuang) |
宝(Bao)珠(Zhu)砂(Sha)的(De)工(Gong)艺(Yi)流(Liu)程(Cheng):(?) 1.煅(Duan)烧(Shao) 2.电(Dian)熔(Rong) 3.造(Zao)粒(Li) 4.分(Fen)筛(Shai)
技(Ji)术(Shu)参(Can)数(Shu)
成(Cheng)分(Fen) | Al2O3 | SiO2 | Fe2O3 | TiO2 |
含(Han)量(Liang) | 65-85% | 12-25% | ≤5% | 3-4.5% |
锐(Rui)石(Shi)宝(Bao)珠(Zhu)砂(Sha)物(Wu)理(Li)指(Zhi)标(Biao):(?)
粒(Li) (?)形(Xing):(?) | 球(Qiu)形(Xing) | 膨(Peng)胀(Zhang)系(Xi)数(Shu):(?) | (20-1000 ℃(?)) 6 × 10-6/℃(?) |
颜(Yan) (?)色(Se):(?) | 黑(Hei)棕(Zong)色(Se) | 粒(Li)度(Du):(?) | 6-(?)270 目(Mu)(φ0.053-(?)3.36mm) |
耐(Nai)火(Huo)温(Wen)度(Du):(?) | ≥ 1800 ℃(?) | Al2O3:(?) | 65-85% |
堆(Dui)积(Ji)比(Bi)重(Zhong):(?) | 1.95 -2.05g/ cm³ | SiO2:(?) | 12-25% |
真(Zhen) 密(Mi) 度(Du):(?) | 3.4g /cm³ | TiO2:(?) | 3-4.5% |
热(Re) 导(Dao) 率(Lu):(?) | (1200 ℃(?))5.27W/M·K | PH 值(Zhi):(?) | 7-8 |