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Drift beads characteristics
1, high refractoriness, the main chemical compositions for silicon drift beads, aluminum oxide, silica (SiO2) about 50-65%, 3 oxidation 2 aluminium (Al2O3) about 25-35%.Because the melting point of silica (SiO2) is as high as 1725 degrees Celsius, 3 oxidation 2 aluminium (Al2O3), the melting point of 2050 degrees Celsius, are all high refractory material.Therefore, drift beads have high refractoriness, generally 1600-1600 degrees Celsius, make its excellent high performance refractories.
2, light, heat preservation and heat insulation: drift beads thin wall hollow, empty cavity for half a vacuum, only trace amounts of the gas (N2 and H2 and CO2, etc.), heat transfer is very slow.So drift beads not only light (250-450 kg/m3 density), excellent heat preservation and heat insulation and thermal conductivity at room temperature (0.08-0.1), which play a prominent role in the field of lightweight thermal insulation material for its laid a solid foundation.化工填料是填料塔中氣液接觸的通常零件，在非常多行業(yè)都采取普通，具備好的的耐熱耐酸效果，能耐除氫氟酸以外的各樣無機(jī)酸、有機(jī)酸及有機(jī)溶劑的腐化，可在各種高，低局勢采用，其效果的效果是決定填料塔操縱效果的主要緣由。

填料的種類（1）無機(jī)填料和有機(jī)填料①無機(jī)類填料無機(jī)類填料主要以天然礦物為原料經(jīng)過開采、加工打造的顆粒狀填料，少數(shù)填料是經(jīng)過處置打造的。a.氧化硅及硅酸鹽。b.碳酸鹽及碳化物。

c.硫酸鹽及硫化物。d.鈦酸鹽。e.氧化物及氫氧化物。f.金屬類。②有機(jī)類填料有機(jī)類填料由這個(gè)天然的動(dòng)植物及人工合成的有機(jī)選材（如再生纖維素、合成樹脂等）打造的。（2）惰性填料及活性填料①惰性填料是將天然礦石用濕磨研磨后烘干或干磨成粉直接采用。②活性填料采用偶聯(lián)劑表面處理使填料表面有被覆層或天然礦物經(jīng)過煅燒亦或兼有2種訣竅。
3, high hardness, high strength: because of drift beads on silicon aluminum ox

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