How to test the white plastic paper (coated paper) peel force-Iota

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Service > How to test the white plastic paper (coated paper) peel force

How to test the white plastic paper (coated paper) peel force

The peel force depends on the number of silicone release paper and the coating amount of the formulation, a direct impact on the amount of coating peeling performance. Higher coating amount, it is possible to densely cover the base paper, to ensure uniform distribution of the silicone oil. The lower the amount of silicone coating, the coating is prone to leakage and other phenomena, resulting in eliminating bad. Some vendors release coating to reduce the coating amount of the silicone oil, resulting in peeling emphasis to produce a heavy release paper, the use of a considerable risk. Reliable manufacturers under the coating amount of the silicone oil does not reduce the premise of the adjustment achieved by adjusting the release force of the chemical formulation. This is the accumulation of technology requires considerable time, not overnight.

Room temperature peel strength, peel strength data obtained at room temperature by standard test methods, the unit is N / 25mm, can be converted into the number of grams.

General 0.15N / 25mm, or 15 grams of peel force, known as light peel;

0.250N / 25mm, ie 20-30 grams of peel force, known as the peel;

0.4 ~ 0.6N / 25mm, peel force that is 40-60 grams, commonly known as the most important release;

Of course, there are 0.03 ~ 0.05N / 25mm, i.e. the peel force of 3 to 5 grams, commonly known as the ultra-stripping;

There 1.00N / 25mm, that is more than 100 grams of peel force, known as overweight peel.

Residual adhesion rate means that the release paper peeled off after a first, a second peeling strength, the obtained data is calculated, mainly reflecting the effect of the cured silicone.

Technical indicators test release paper is a very complicated project. General Electronics Factory, Adhesive Tape data only after several tests. As for the silicone coating amount, generally does not appear in the release coating supplier's technical report.

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