This question is similar to looking for forever-young human. I have not found such material up to this moment. In other words, the product you are looking for is UV resistant resin. Epoxy resin will turn yellow over time, means…
While using gem like resin, the most efficient way to get rid of the air bubble is to vacuum degassing or pressure casting. However, these require expensive equipment. The alternative way is to use utility lighter (heat gun). By making…
It is because the resin absorb some moisture in the air or there is water in the surrounding. Avoid using epoxy when the humidity is 75% over.
There are various reasons of not curing such as low temperature, off-ratio mixing, insufficient mixing, high humidity, lack of ventilation, incorrect resin or hardener. Please note that epoxy hardner is not catalyzt. Adding more hardener do not make it cured…