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Question:

Is there anyone who knows how to choose a good glue

Silicon on the thumb nail cap so large, the need for viscosity less than 20, the complete curing time of 1-2 days, you know, let's talk about it, grateful!

Answer:

General epoxy resin structural adhesive, fully cured is 24 hours, the purpose of the product to achieve the best bonding strength. The curing time is shortened according to the curing accelerator of epoxy resin. The general market is the fastest solid 5 minutes, you can play a positioning effect. Does not affect operation.
But the viscosity is so small. You can use UV or instant glue, curing is relatively fast.
The viscosity requirement is so small, why the curing time is so long, the general curing time is long anaerobic adhesive, or structural adhesive.

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