Why to clean the PC plastic shell after baking glue, what reason causes?
PC plastic shell after glue coating will appear the reason is what, and also clean baked PC plastic shell.
First of all, we probably know about PC, PC material we are familiar with, at least the plastic industry is very familiar with the personnel, PC is a classification of plastic raw materials (other plastics), in daily life and industrial production is a lot of use of a material, especially milk bottles.
Business manager liu for: PC plastic shell glue after the emergence of this problem, immediately tested, rushed to solve the problem of boss wang action.
Step by step test according to what boss wang said
1, clean PC plastic shell;
2. Bake cleaned substrate;
3. Brush PC glue on the processed plastic shell;
4. Record the results in different time periods;
After repeated tests for several times and communication with engineers, the following two conclusions were finally drawn:
1, adhere to the wettability of PC glue on the substrate is not good, glue after easy to shrink into water droplets;
2, glue solvent volatile local temperature will reduce, resulting in air condensation into water droplets.
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