Paper cups have many features like lightweight, pretty look and convenient to use, and attract a lot of businesses and consumers. Nowadays, there are many kinds of disposable paper cups, such as cold drink cups, hot drink cups, advertising cups, etc. The variety of cups is dazzling. At this time, do you know how to judge the quality of disposable paper cups? There are some tips will teach you how to choose high-quality disposable paper cups. Generally, We can identify the paper cups through observing the appearance, while good disposable paper cups are usually tested as follows:

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1.功能测试：测试纸杯是否可以盛液体，例如水和饮料。

Function test: whether the paper cups can hold liquids, such as water, beverage and coffee.

性能测试：测试纸杯的纸是否够厚而不易变形。

Performance test: whether the paper is thick enough and not easily deformed.

压力测试：液体盛满纸杯是否会坏。

Pressure test: whether the paper cups full of liquid will easily break.

可恢复性测试：装入液体后将液体倒出后，纸杯是否可以恢复原装。

Resilience test: whether the paper cups can be restored to what it was before, after filling the liquid and pouring them out.

强度测试：纸杯盛一段时间液体后是否会软化损坏。

Strength test: whether the liquid will soften or damage the paper cup after a period of time.

外观测试：纸杯外形是否美观，图案是否漂亮。

Appearance test: whether the shape of paper cup is beautiful and the pattern is also.

易用性测试：纸杯使用时手感是否好，口感是否好，会不会扎嘴。

Usability test: whether we feel comfortable when using the paper cups. It will stick our lips or not.

安全性测试：盛满水拿起杯子后，水是否会渗漏出来。

Safety test: whether water leaks from the bottom or sides when filled with water.