供应WK-573A/H电子*组件灌封胶

WK-573A/573H ( CASTING )

 

PROPERTI*  OF  UNCURED  MATERIAL:     

 

1.Appearance:                                      

2.Viscosity                                        

3.Density                                          

4.Mix Ratio            

5.Life ; (mixture) @25℃   

6.Gel Time               

7.Curing Condition                         

PROPERTI*  OF  CURED ……………7  DAYS  CURED  @25℃ 

 

H.  D.  T.                   ASTM    D   648        ℃                   110

 

Flexural Strength        ASTM    D   790         Kgf/mm2          8.0

 

Tensile  Strength        ASTM    D   638            -                   4.5 

Adhesive Strength                                      Kgf/mm2           83 

Hardeness                ASTM    D    2240        Shore  D           88

 

Volume. Resistivity     ASTM    D    257         ohm-cm         ＞1016

 

Dielectric Constant ASTM    D    150         @25℃,1KHz    4.0

 

DielectrecStrength                   2mm   KV/mm    22.0                                  

Moisture absorption   ASTM    D    570        @100℃/ 4 Hr  ＜0.1