| Adhesive bandage plays an important role in the | | | | examples. The testing apparatus is made up of |
| medical field with wide applications in rheumatism, | | | | lasting adhesive tester (including testing panel, |
| analgesia and detumescence, etc. Yet, the usage | | | | testing stand and return load board) and adhesive |
| of adhesive bandages is quite simple, and the | | | | tape rolling tester. Put the adhesive side onto the |
| adhesive strength of the adhesive bandage is of | | | | surface of testing panel and the load board, press |
| crucial importance. Therefore, national | | | | on those sample tape for 3 rounds with the roller |
| pharmacopoeia commission has brought forward | | | | and lie aside for 5 minutes. Place the sample |
| detailed regulations of adhesive strength which is | | | | vertically onto the testing stands, and hang |
| further devided into primary adhesive strength, | | | | standard poises along the length of the specimen. |
| lasting adhesive strength and peeling strength. | | | | Record the slide time and the falling time. |
| Labthink, the excellent provider of testing | | | | C. The Peeling Strength Testing for Adhesive |
| instruments and testing services, is devoted to | | | | bandages |
| provide most excellent and complete quality | | | | According to the pharmacopoeia, 180 degree |
| control solutions for pharmaceutical, foodstuff, | | | | peeling strength testing is adopted. Take Labthink |
| cosmetics, packaging, printing, adhesive, | | | | BLD-200S Peeling Strength Tester or XLW Auto |
| automotive, petrochemistry, environment, biology, | | | | Tensile Tester as the example. |
| new energy, construction, aviation and electronic | | | | Stick the back side of the adhesive bandages on |
| industries worldwide. In order to help adhesive | | | | to the testing panel with double-sided adhesive |
| bandage manufacturers better understand the | | | | tape. Strengthen with adhesive tape so that the |
| Testing Methods for Adhesive bandage Adhesive | | | | sample can be even onto the testing panel. Place |
| Strength, a detailed introduction of testing items, | | | | clean polymer film on the adhesive side of the |
| methods and instruments is as follows: | | | | sample, and roll back and forth for three times |
| A. Primary Adhesive Strength Testing for | | | | with 2000g roller on the prepared sample to avoid |
| Adhesive bandages | | | | bubbles. Lie the sample aside for 20 to 40 |
| Take Labthink CZY-G Primary Adhesive Tester | | | | minutes before testing. |
| as an example. Its testing principle is rolling ball | | | | Bend the polymer film and clamp the free end of |
| principle and made up of incline board, base, | | | | the film and testing panel on to the tester. Peeling |
| stainless steel ball and ball acceptor, etc. First, set | | | | side must be in linear direction with the tester. Set |
| the incline board in a 30 degree angle against the | | | | the testing speed at 300mm/min±10mm/min |
| horizontal board; paste the adhesive side of the | | | | and start testing. The results of peeling strength is |
| adhesive bandage sample on to the incline board. | | | | usually with the unit of KN/m or N/mm/ |
| Place a stainless steel ball on the incline board and | | | | The above is a brief method introduction of |
| adjust its primary place, release the ball. It rolls | | | | adhesive bandage adhesive strength; Labthink is |
| across the adhesive side of the adhesive bandage. | | | | willing to have further communication with |
| According to the biggest stainless steel ball, we | | | | adhesive bandage manufacturers for the adhesive |
| can determine the primary adhesive strength. | | | | strength testing and quality control. |
| B. Lasting Adhesive Strength Testing for Plasters | | | | Labthink Instruments Co., Ltd. |
| Take Labthink CZY-6S Lasting Adhesive Tester | | | | No. 144 Wuyingshan Road, Jinan 250031, China |
| and YGJ-02 Adhesive Tape Rolling Tester as | | | | Tracy Bao info@labthink. |