Rubber closures are very important packaging materials that are usually used in penicillin bottle, syringe, vacutainer blood collection tube and other medical packaging and medical apparatus. The most common materials used for rubber closures include natural rubber and butyl rubber, etc. Since there are different molecular structure, composition and manufacturing process of rubber closures, the [...]

Yoghurt is a kind of dairy product which uses fresh milk as raw material, adds beneficial bacteria (fermenting agent) to milk after pasteurization, and then cools and fills after fermentation. During the fermentation process, about 20% of sugar and protein in milk are hydrolyzed into small molecules. After fermentation, the fatty acids in milk can [...]

Blister packaging is one of pre-formed plastic packaging, which is featured with high barrier property and widely used for protecting products against external factors, such as humidity and contamination for extended shelf life. Blister package usually has a backing of paperboard or a lidding seal of aluminum foil or plastic. In medical industry, blister packaging [...]

Composite film materials are formed by different single-layer films materials compounded together by adhesives, so as to make the best use of the excellent performance of each single-layer film and meet the quality requirements of the packaged products. Taking the aluminum-plastic composite film PET / Al / PE as an example, three kinds of single-layer [...]

Yogurt is a food produced by bacterial fermentation of fresh milk. A large amount of protein, fat, vitamin and various beneficial bacteria are contained in the yogurt, which are easy to be digested and absorbed by the human body. Since the yogurt has a very short shelf life, the packaging material used for the yogurt [...]

Loop Tack Test is one common test method to measure the tack strength of adhesive tapes, which is descripted in ASTM D6195. The standard describes two ways to perform the look tack test for adhesive tapes. One is loop tack tester. But it is uncommonly used since its sole test function. The other way to [...]

6 Stations Lasting Adhesive Tester Lasting Adhesive Tester is designed and manufactured according to GB4851, compatible with ASTM D3654, and specially designed for adhesives, adhesive tapes, adhesive products and related industries. It is applicable in the holding power test of pressure sensitive adhesive tapes. The Parameters Items Specifications Standard Roller 2000 g ±50 g Weight [...]

Solar energy is inexhaustible and the cleanest source on earth. In one hour the sun delivers as much energy to the earth’s surface as mankind consumes in one year. Solar energy is clean, sustainable, globally available, and does not harm the environment. What is Solar Back Sheet (PV Back Sheet)? The solar cell back sheet [...]

Mineral water, carbonated soft drink and alcoholic beverage is usually packaged in a variety of sizes of plastic (PET) bottles and it is essential that the caps on their bottles are easy to open, while at the same time applied tightly enough to ensure the bottles do not leak. To guarantee the quality of their [...]

In packaging control, the Torque Testing consists in measuring the force to be applied when screwing or unscrewing a bottle, glass or tube. Labthink Digital Bottle Cap Torque Tester is designed with a digital display, and this digital bottle cap torque tester enable both screwing and unscrewing torques to be measured. This Digital Bottle Cap Torque [...]