a在线亚洲男人的天堂

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      Custom-made Ceramic
      and Glass Components
      
                    
                
      
				
            	
				
				
      
					
      
						
      Shapal?Hi-M soft Analysis
      
						
      Comparison of Shapal™-M soft with Shapal™ Hi-M soft and traditional ceramics
      

      This information is provided to help existing users of Shapal™-M soft compare it with the new Shapal™ Hi-M soft material and also to help users of traditional ceramics evaluate this machinable ceramic for their application.
      

      Comparison of flexural strengths and thermal conductivities (Typical Data)
      

      

      

      Data Supplied by Tokuyama Corporation, Tokyo, Japan
      

      

      Impurities
      

      


      
Element
Shapal™-M soft
Shapal™ Hi-M soft

      

      
 C
 300ppm
300ppm 
      		

      

      
Ca
450ppm
1300ppm

      

      
Cr
60ppm
1ppm

      

      
Mg
15ppm
1ppm

      

      
Ni
<5ppm
2ppm

      

      
Fe
20ppm
8ppm

      

      
Si
<15ppm
40ppm

      

      
O
0.5%
0.9%

      

      
Ti
<1
<20

      
      

      

      

      


      
Property/Test Conditions
Shapal™-M soft
Shapal™ Hi-M soft
Units

      

      

      

      
GENERAL
 
 
 

      

      
Density Corrected to 4°C
2.88
2.88
g/cm³

      

      
Porosity 25°C
0
0
%

      

      
ELECTRICAL
 
 
 

      

      
Volume Resistivity 25°C, DC
1.4 x 1012
1.0 x 1015
Ωcm 

      

      
Dissipation Factor (tan δ) 25°C, 1MHz
9.1 x 10-4
10 x 10-4
 

      

      
Dielectric Constant (ε) 25°C, 1MHz
6.9
6.8
 

      

      
Dielectric Strength
      		
56
65
kV/mm

      

      
THERMAL
 
 
 

      

      
Thermal Expansion Coefficient RT~400°C
4.4 x 10-6
4.8 x 10-6
/°C

      

      
Thermal Expansion Coefficient RT~600°C
4.8 x 10-6
4.9 x 10-6
/°C

      

      
Thermal Expansion Coefficient RT~800°C
5.1 x 10-6
5.0 x 10-6
/°C

      

      
Thermal Conductivity 25°C
96
92
W/mK

      

      
Maximum Use Temp. (in air)
1,000
1,000
°C

      

      
Maximum Use Temp (in nonoxidizing atmosphere)
1,900
1,900
°C

      

      
Thermal Shock Resistance ∆t water quench
400
400
°C

      

      
MECHANICAL
 
 
 

      

      
Bending Strength 25°C
273
300
MPa 

      

      
Compressive Strength 25°C
120
100
kg/mm2

      

      
Young's Modulus 25°C
1.9 x 104
1.8 x 104
kg/mm2

      

      
Poisson's Ratio 25°C
0.31
0.31
 

      

      
Vickers Hardness (Hv) 25°C, 300g
390
380
kg/mm2

      

      
CHEMICAL DURABILITY
 
 
 

      

      
Resistance to Acid 10%HCI 24Hrs, 25°C
0.2
0.2
mg/cm2 wt loss

      

      
Resistance to Base 10%NaOH 24Hrs, 25°C
60
60
mg/cm2 wt loss

      
      

      

      Note:  Shapal™ is a registered trademark of Tokuyama Corporation, Tokyo, Japan
      

      
					
      
				
      
				
				
      
                	
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a在线亚洲男人的天堂

      <pre id="6aqmo"></pre>
      

    3. <table id="6aqmo"></table>
    4. <table id="6aqmo"><ruby id="6aqmo"></ruby></table>
      

      1.