供应WK-838AA/838BB电子*组件灌封用环氧树脂(软性胶)

WK-838AA/838BB

PROPERTI*  OF  UNCURED  MATERIAL:      (@25℃)

1.Appearance:                838AA                                           

2.Viscosity                                                        

3.Density                       

4.Mix Ratio                 

5.Life (mixture) @25℃   

6.Gel Time             

7.Curing                                                               

 PROPERTI*  OF  CURED……….(ROOH  TEHP / 7 DAYS)

H.  D.  T.                   ASTM    D   648                   ℃                -- 

Flexural Strength         ASTM    D   790              Kgf/mm2           --

Tensile  Strength         ASTM    D   638                    -                -- 

Adhesive Strength                                           Kgf/ cm2           80(min)

Hardeness                   ASTM    D    2240           Shore  D          50-70

Volume. Resistivity       ASTM    D    257             ohm-cm          ＞10

Dielectric Constant   ASTM    D    150            @25℃,1KHz       3.9

Dielectrec Strength     2 mm                     KV/mm        22.0(min)

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

*TE: (STORAGE  :  )

*Keep in cool low temperature(@25℃or below) avoid moisture and sun shine directiy, to keep long using.

*Avoid conlact of the skin , eyes and clothes, in case of contact, just wash wish soap and water immediately.