| Recommended
Mixing and Handling Parameters |
| Adhesive |
LCA-50 |
LCA-127 |
| Activator |
BA-9 |
BA-49 |
| Activator
Required, parts by weight per hundred of adhesive |
5.2 |
3.83 |
| Mixed
Viscosity at 77°F, poise |
>4000 |
Paste |
| Work
Life at 77°F, minutes |
120 |
150 |
| Recommended
Cure, hr/°F |
2/200 |
0.5/200 |
|
Typical Cured Properties
|
| Color |
Black |
Black |
| Specific
Gravity |
1.93 |
2.32 |
| Hardness,
Shore D |
90 |
95 |
| Bond
Strength to aluminum at 77°F, psi |
3500 |
2300 |
| Flexural
Strength at 77°F, psi |
- |
12,700 |
| Flexural
Modulus at 77°F, 106 psi |
- |
1.50 |
| Water
Absorption (24 hour immersion) at 77°F, % |
- |
0.11 |
| Glass
Transition Temperature by DSC, °F |
190 |
170 |
| Coefficient
of Thermal Expansion from -65°F to 77°F, 10-6/°F |
26 |
15 |
| Volume
Resistivity at 77°F, ohm-cm |
- |
1016 |
| Thermal
Conductivity, Btu-in/ft2-hr-°F |
6
(est) |
9 |
|
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