珍珠岩perlite技术指标中英文对照表

软化温度  Softening temperature   

870 °C   

熔点  Melting temperature   

1260 °C   

热容  Heat capacity （between 77 and 300  K）   

0.50 J/g K   

微孔结构  Cellular structure   

开孔  open-cellular   

气孔率  Porosity   

97 % by volume   

含水率  Moisture content（ in the open air）   

Up to 0.5 % by weight   

大吸水率  Max. moisture content   

Up to 900 % by weight   

矿石密度  Density of the perlite ore   

2200 to 2400 kg/m3   

矿砂密度  Density of the fine-ground perlite ore   

1200 kg/m3   

化学特性   

Chemical Characteristics   

PH: 6.5 ~ 7.5     

不溶于强碱和氢氟酸  微溶于浓矿物酸  难溶于浓有机酸   

will not be melted in alkali and hydrofluoric acid, fractional melt in strong mineral acid, not melting in strong organic acid