- Contact Person : Ms. Wu Emily
- Company Name : Labthink Instruments Co., Ltd.
- Tel : 86-531-85060139
- Fax : 86-531-85062108
- Address : Shandong,jinan,144 wuyingshan road, jinan, P.R.China
- Country/Region : China
- Zip : 250031
Pressure Sensitive Label Testing for Cosmetics
Pressure sensitive label, also called self-adhesive label, has found its wide application in cosmetic packaging. The main testing for pressure sensitive labels is to test the adhesive bond performance, namely primary adhesive, lasting adhesive and peeling strength.
1. Initial Tack Testing: take Labthink CZY-G Initial Tack Tester as the example. This tester applies rolling ball principle; initial tack performance is tested through the immediate contact of the steel ball and the pressure sensitive tape under very low pressure. The initial tack performance is expressed with the number of the largest steel ball that is tacked.
2. Hold Strength Performance Testing: Labthink CZY-6S hangs the panels covered by adhesive tapes on to the test shelf vertically; and hangs poises with specific weight on the end of the panel. After a certain period of time, test the displacement of the specimen or test the time during which the specimen leaves the panel totally to express the ability to remain adhesive.
3. Peeling Strength is an important index to evaluate adhesive performance of pressure sensitive labels. Here, we take Labthink XLW Auto Tensile Tester or BLD-01 peeling tester as the example. Cut the label into a width of 25mm with the sample cutter, press the lab on to the standard testing panel with compression roller and then, pre-peel the sample from the panel, clamp the panel and pre-peeled label on the up/down or left/right collets of the Auto Tensile Tester or the peeling tester. Set the testing speed at 300mm/min and start the test so as to get the final peeling strength in KN/M.
Further information please feel free to contact Shirley Wu via (tel)0086-531-85811021.
More about Labthink:
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Pressure Sensitive Label Testing for Cosmetics