วันพฤหัสบดีที่ 19 พฤษภาคม พ.ศ. 2554

Epoxy Mixing and Handling - Prepackaged Two Part Epoxy

Epoxy Mixing and Handling - Prepackaged Two Part Epoxy
For prepackaged epoxy, remove divider clip and mix resin and hardener inside package.

Figure 1: For prepackaged epoxy, remove divider clip and mix resin and hardener inside package.



1.
Remove the clip separating the resin and hardener. Mix by squeezing both halves together with your fingers. Mix for at least one minute to ensure a complete mix of the resin and activator. (See Figure 1).
 
2.
Cut open one end of the epoxy tube and squeeze the contents into a mixing cup. Mix again with a mixing stick to ensure a thorough mixture of the resin and hardener.
Apply epoxy as needed.

Figure 2: Apply epoxy as needed. Foam swabs may be used to add texture for soldermask repair.

Note
For bubble free epoxy, remove the clip separating the resin and hardener. Cut open one end of the Epoxy tube and squeeze the contents into a mixing cup. Slowly stir the mixture with the mixing stick. Be sure to stir the mixture for at least 2 minutes to ensure that all the resin and hardener have completely mixed.
3.
If needed, add color agent to the mixed epoxy. Stir slowly to prevent bubbles.
 
4.
Apply or use as needed. (See Figure 2
 
5.
Cure the epoxy for 24 hours at room temperature or 1 hour @ 165�F (74�C)
 
Evaluation
 
1.
Visual examination of epoxy for texture and color match.
 
2.
Testing of epoxy surface for complete cure.
 
3.
Electrical tests as applicable.

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