新型无机墙体保温材料        
    玻化微珠是一种环保型新型无机轻质绝热材料 , 与有机类保温材料相比，具有不燃烧、强度高和使用寿命长等优点。产品呈不规则球状颗粒 , 内部多孔空腔结构 , 表面玻化封闭 , 光泽平滑 , 理化性能十分稳定 , 具有质轻、绝热、防火、耐高温、耐老化、吸水率小等优异性能 , 可广泛用于工业、农业、建材、化工、冶炼、轻工等诸多领域 .       
  物理性能：      
   粒                度（     mm     ）：                               0.5-1.5      
   容                重     (kg/m3)     ：                               50-200      
   导热系数     (w/m.k)     ：                             0.028-0.054      
   吸水率（真空抽滤法测定的     ％     ）：                 20％-50％      
   筒压强度（     1Mpa     压力的体积损失率     ％     ）：          38％-46％      
   成              球              率：                                   80-95％      
   表面玻化率：                                    ≥95％      
   耐              火              度：                                1280-1360ºC      
   使用温度：                                      850ºC     以下         
             
 
 
     
         
             
               成 分        
             
             
               含 量        
             
         
         
             
               Sio 2       
             
             
               69  — 72％       
             
         
         
             
               AL 2 O 3      
             
             
               12  — 18％       
             
         
         
             
               K 2 O      
             
             
               4  — 5％       
             
         
         
             
               Na 2 O     
             
             
               3  — 4.5％       
             
         
         
             
               Fe 2 O 3      
             
             
               0.5  — 1.5％       
             
         
         
             
               CaO       
             
             
               0.1-0.2％       
             
         
         
             
               MgO       
             
             
               0.2-0.5％