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[ Soy Printing Ink supplier]How to determine whether UV ink curing?

Published on May. 10, 2019

[ Soy Printing Ink supplier]How to determine whether UV ink curing?

Following shared by Soy Printing Ink Supplier China.

1. With pencil hardness test

All uv ink use of technical conditions are pencil hardness, according to this requirement, we can use pencil hardness tester test, if the requirements (generally 3-4h) will prove that the ink has been fully cured.

2. Test with the method of dropping solvent

As mentioned above, uv ink technical conditions also have a solvent resistant project, because the ink fully cured, the internal molecular structure will change, to double bond conversion, conversion of high curing is complete, then the ink as a whole form a tight coating. Drop the propionic acid solution on the board for 2min according to the solvent resistance.

That's all for the sharing,and we are the Bookbinding Hot Melt Adhesive Manufacturer ,if you have any demand for our products,welcome to contact with us.


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