泉州冒口漂珠 電廠漂珠輕質(zhì)免燒耐火磚屋頂防水保溫涂層20目漂珠價格多少錢
0.5-0.8
莫氏硬度
6-7
堆積密度(g/cm3)
0.3-0.5
PH值（水分散系中）
6
耐火度（℃）
1750
熔點(℃)
≥1400
導溫系數(shù)(m2/h)
0.000903-0.0015
導熱系數(shù)(w/m·k)
0.054-0.095
抗壓強度(Mpa)
≥350
折光率（%）
1.54
灼失率（%）
1.33
吸油率g(oil)/g
0.68-0.69toriness, 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.
3, high hardness, high strength: because of drift beads on silicon aluminum oxide mineral phases (quartz and mullite) formation of hard vitreous, hardness of Morse 6-7, hydrostatic strength up to 70-140 mpa, true density of 2.10 2.20 g/cm3, therefore, drift beads with high strength.General light porous or insulating materials such as boiling rocks, diatomite, perlite, sea pumice, expanded vermiculite is the difference in hardness, strength is poor, with its system of thermal insulation products or light refractory products, intensity difference flaws.The advantages of their shortcomings is drift beads, so drift beads have more competitive advantages, used more widely.
4, excellent electrical insulation, non-conductive: choose after degaussing beads drift beads, is the performance of insulation materials, conductive.Insulation resistance are commonly by the rise of temperature, drift beads, on the other hand, increases with the increase of temperature resistance.This advantage is don't have other insulating materials.So, it can make is performance under the condition of high te

漂珠用途
1、耐火保溫材料：如輕質(zhì)燒結耐火磚、輕質(zhì)免燒耐火磚、鑄造保溫冒口、管道保溫外殼、防火保溫涂料、保溫隔熱膏、復合隔熱干粉、輕質(zhì)保溫耐磨玻璃鋼。
2、建筑材料：建筑裝飾、路面鋪料、屋頂防水保溫涂層、道路工程、改性瀝青等。
3、石油工業(yè)：油田固井、管道防腐保溫、海底油田、漂浮裝置、油井鉆探泥漿減輕劑、石油天然氣輸送管道等方面。
4、絕緣材料：塑料活化填充劑、高溫高壓絕緣體等。
5、涂料工業(yè)：油漆、油墨，粘合劑、隱身涂料、絕緣漆、防腐漆、地坪漆、耐高溫防火漆、內(nèi)外墻涂料、保溫涂料、地板漆、汽車膩子、原子灰等。
6、航天和空間開發(fā)：衛(wèi)星、火箭、飛船表面復合材料，衛(wèi)星防火

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