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            Soft composite silica powder
            

		
            

		
            
	
            
	
            


            

            
  
            
    
 
    
            
      
            Soft composite silica powder
            
      
            
      
      
            
          
          
            
            
            Soft composite silica powder
            
            
            【基本說(shuō)明】：Soft composite silica powder refers to the glass phase silicon dioxide powder material made of natural quartz and other inorganic non-metallic minerals by such processes as compounding, melting, cooling, crushing, grinding and classifying.
            
            
            【應(yīng)用范圍】：
            
            
          
            
        
            
        
            
          
            >Basic characteristics of Soft composite silica powder：
            Item            Unit            Typical Value            
            Appearance            /
            		White powder
            Density            kg/m3
            		2.59×103
            Mohs Hardness       
            		/
            		5.00
            Dielectric Constant        
            		/
            		5.0（1MHz）
            Dielectric Loss        
            		/
            		0.003（1MHz）
            Coefficient of Linear Expansion
            		1/K
            		3.8×10-6
                      
          
            >Soft composite silica powder can be sorted on basis of following characteristics and prepared as required by customers:
            ItemIndex of CorrectionIntroduction
            PuritySiO2contentChemically stable composition, to ensure consistency of performance.
            Ion impurityNa+、Cl-,etc.Can be reduced below 5ppm
            Particle size distributionD50Available within D50=0.5-10μm
            Particle size distributionMay be adjusted on basis of typical distribution as needed, including multimodal distribution and narrow-range distribution.
            Surface characteristicsHydrophobicity and oil absorptionTreatment agent of different functions may be selected as needed by customer
                    
            
        
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