WINNING  EPOXY  RESIN  COMPONENTS

     WK-931A-5 / WK-931H-5

PROPERTIES OF UNCURED MATERIAL

1.  Appearance：              931A-5       Green dense liquid
                              931H-5       Pale yellow liquid
2.  Viscosity：               931A-5       60,000 ± 5,000 CPS
                              931H-5       150 CPS
3.  Density：                 931A-5         1.5
                              931H-5       1.12
4.  Mix Ratio：                            931A-4/H-5 : 100/30
5.  Pot Life（mixture）      (100gm)        25℃ ： 8 Hours.
6.  Gel Time：                              80℃ ： 6 Hours. 
7.  Curing Condition：                      80℃/4Hs.+100℃/4Hs.

PROPERTIES OF CURED………………… 7 DAYS CURED @25℃

H. D. T.                   ASTM   D   648        ℃               125

Flexural Strength          ASTM   D   790       Kgf/㎜2           7.7
 
Tensile Strength           ASTM D 638           Kgf/㎜2           4.5 

Adhesive Strength                               Kgf/㎝            80

Hardness                   ASTM   D  2240       Shore D           90
                                                              
Volume Resistance          ASTM   D   257       ohm-cm          2.7 X1015

Dielectric Constant        ASTM   D   150       @25℃, 1 KHz      4.1

Dielectric Strength          2 ㎜.               KV/㎜            22.0

Moisture absorption        ASTM   D   570      @100℃/4 Hours.      --