The crystal drops remain soft after solidification.

1. Bubbles appear after the crystal drops are solidified.

Bubble is the problem of agent B, change to another curing agent! Convenient, if you don't want to change, vacuum, or heat curing. There are bubbles because the solvent in the glue volatilizes, the crystal drops solidify too fast or the viscosity is too high, which leads to bubbles escaping.

2. The crystal drops are not dry, but show stickiness, moist feeling and blisters after curing.

When the weather is good, the glue drops normally; In low temperature and humid weather, the glue will solidify, but it is sticky, moist and blistered, which is mainly caused by the very serious water content of the glue itself. Only by overcoming the humidity in the workshop can we really solve the problem. Changing glue is not the cause of the problem. The glue with the ratio of 3: 1 has better moisture-proof performance.

3. When crystal glue falls, the glue is dry, and there are no fingerprints when you press it with your fingers. But once you cover the protective film and tear off the glue surface, there will be lines and stains, and your fingers will not disappear.

The hardness of solidified crystal drops is high, which can not cover the particle stains; There is only one reason: the temperature resistance of epoxy crystal drops is not very good, it will soften when it meets high temperature, and it will soften and deform when it is high temperature for a long time. Maybe your product is covered with protective film and then exposed to high temperature!