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Home > Product > Sealant&Adhesive > Epoxy Material > Beep 629
Beep 629 solvent-free, one-component epoxy structural adhesive
Beep 629 is a gray, solvent-free, one-component epoxy structural adhesive with excellent toughness and impact strength.
FEATURES
When it is fully cured by heat, it provides excellent bonding properties, electrical properties, moisture resistance and mechanical properties. It has high bonding strength to most substrates including glass, metal, ceramics, etc., while meeting high temperatures. Bonding and mechanical properties.
|
ITEM |
Test method or condition |
621 |
|
|
Before curing |
Appearance | Visual |
Black slurry |
|
Viscosity |
93C #Rotor, 5rpm，Pa·s, 25℃ |
112 |
|
|
Viscosity |
93C #Rotor, 0.5rpm，Pa·s, 25℃ |
278 |
|
|
Thixotropic index |
– |
2.5 |
|
|
Density |
g/cm3, 25℃ |
1.25-1.35 |
|
|
After curing |
Hardness | Shore-D, 25℃ |
85 |
|
Glass transition temperature Tg |
DSC, ℃ |
145 |
|
|
Impact strength |
KJ/m2，25℃ |
>6 |
|
|
Linear expansion coefficient |
ppm |
45，<Tg 100, >Tg |
|
|
Volume resistivity |
Ω· cm, DC500V |
1.0×1015 |
|
Widely used in automotive electronics, pressure sensors, connecting harnesses, motor magnetic sheet bonding.
USE
- If the epoxy glue is stored in a frozen environment, it must be taken out to room temperature before being thawed before use.During sizing, do not reduce the consistency of the glue by exposing it to high temperatures, unless prior tests have been done and shown to be feasible.
- Apply the adhesive directly to the surface of the object to be bonded after oil removal, rust removal and coarsening treatment. Select appropriate tools to assist the adhesive coating and fix it with fixtures. It is then cured under the recommended heating conditions.
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