Quote:
Originally Posted by DELurker
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The super thin glues are great for repairs of plastic parts because, as you say, you can let it wick into joints or cracks. The problem is that the thinner the glue the harder it is to control and the less tolerant it is of less then perfect fit between parts. It's just really easy to dribble it where you don't want it, and the tiniest gap between your part will result in a poor bond.
I use straight MC for repair work and #16 for making new parts or where I need a degree of gap filling. As long as you're very careful and have very clean edges, the wicking method makes for a better looking joint, for sure.