F-28 with 4123 hardener is a two component unfilled epoxy with low viscosity and good flow qualities.
This rigid room temperature cure has excellent adhesion to metals, plastics and ceramics.
Uses: All potting and encapsulating where clarity is required.
COLOR : Black
HARDNESS SHORE "D"@ 72 ºF : 80
MIXING RATIO (Parts by Weight) : 100:25 (Parts By Volume) 3.43 : 1
MAX. USE TEMP.ºF : 250
MIXED VISCOSITYCPS @ 72 ºF : 3,600
DIELECTRIC STRENGTHas per ASTM D149 : 522
DIELECTRIC CONSTANTas per ASTM D150 : 5.47
CTE in/in/ºF as per ASTM D696 : 3.40 x 10-6
THERMAL COND.-BTU as per ASTM C177 : 1.70
POT LIFE MINUTES (100 gram Mass) @ 72 ºF : 45
SHELF LIFE : 1 Year