ROOM TEMPERATURE CURING FLEXIBLE EPOXY ADHESIVE
DESCRIPTION
Polycast 517 is a flexible unfilled epoxy resin system. It is transparent and cures at room temperature. Polycast 517 is very low in viscosity and adheres to most plastics, metals, glass, and wood. It may also be used in automated dispensing equipment.
| PROPERTIES - UNCURED |
Part A |
Part B |
| Color , visual ......... |
Clear |
Amber |
| Viscosity, ASTM-D-2393 (c.p.s. @ 25o C).. |
1800 |
600 |
| Specific Gravity ............. |
1:08 |
.96 |
| Mix Ratio (by volume).......... |
1:1
|
| Mixed Viscosity, ASTM-D-2393 (@ 25o C) |
1200
|
| Pot Life @ 25OC (100 grams) ..... |
2 hours
|
| Shelf Life @ 70o F .......... |
12 months
|
| PROPERTIES - CURED |
|
| PHYSICAL |
|
| Hardness, ASTM-D-2240 (Durometer)....... |
Shore A 85 |
| Tensile Strength, ASTM-D-638 . . . . . . . |
800 psi |
| Tensile Elongation, ASTM-D-638 .. .. .. |
100 % |
| Coefficient of Thermal Expansion .... . . |
28 x 10-6 |
| Moisture Absorption . . . . . . . . . . . . |
0.08% |
| Dielectric Strength, ASTM-D-149 (volts/mil) ... |
375 |
| Dielectric Constant, ASTM-D-150 ........ |
3.5 |
| Dissipation Factor, ASTM-D-150...... . . |
0.03 |
| Volume Resistivity, ASTM-D-257 (ohm-cm).... |
1 x 1014 |
MIXING INSTRUCTIONS
Pre-mix Part A and Part B separately. Then measure material accordingly (A to B). Mix thoroughly scraping the sides and bottom of the container. Evacuate and then pour into mold or cavity.
CURE SCHEDULE
Room temperature cure @75°F for 24 hours.
170ºF for 3 hours.
