How to distinguish the quality of disposable paper cups
Paper cups have a small quality, beautiful, convenient and other characteristics, conquered a lot of businesses and consumers, nowadays, there are many kinds of paper cups, cold drink cups, hot drink cups, advertising cups, etc., just the use of the classification of the people are dazzled. At this time, you know how to judge the quality of the appearance of paper cups? 1, function test : test whether the paper cup can hold liquid, such as water; 2, performance test : test paper cups of paper is thick enough and not easy to deform; 3, pressure test : whether the liquid filled paper cups will be bad; 4、Recoverability test : whether the paper cups can be restored to their original state after being filled with liquid and poured out; 5, strength test : whether the paper cup will be softened and damaged after holding liquid for a period of time; 6, appearance test : whether the paper cup appearance is beautiful, whether the pattern is beautiful; 7, ease of use test : paper cups feel go