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EP
438/12 DV / EPC 690 (XP)
High Chemical Resistance Adhesive
DESCRIPTION
EP- 438/12 is a two component, rigid epoxy glue
displaying excellent adhesion
to metals, ceramics and sorts of plastics. EP
438/12 performs excellent chemical resistance. The
adhesive can be cured with several curing agents in
order to achieve the desired properties.
When using EPC 690 as a hardener the adhesive is
rigid but the chemical resistance is improved.
PROPERTIES - UNCURED
EP 438/12
EPC 690
Color, visual
............................
Clear Light
Amber
Specific Gravity, g/cm3
............
1.16 0.98-1
Viscosity, cps @ 250 C
............ 20000 –
30000 250 - 290
Mix Ratio, (Weight) ...............
100 20
Pot Life @ 250 C ,
min............
45 - 60
Curing Temperature
................
R.T.
PROPERTIES CURED
Hardness.
ASTM-D-2240……………………… 70 - 75 D
Tensile lap shear Al/Al, ASTM-D-1002 (kg/cm2)
165 - 175
Tensile Strength (bulk) ASTM-D-638, kg./cm2
.. 370 - 420
Tensile Elongation (bulk), ASTM-D-638, %……
4 - 5
Service Temperature .(0C).....................…………
-40 to 80
Flexibility
............................................…………
Ridged
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