Effect and Treatment of Transport Package Test under Temperature Change

The climatic environment experienced by the packaging during transportation is ever-changing and very complex. The changes in temperature and humidity are the most important factors affecting the performance of the packaging. China has a vast territory, including cold, temperate and sub-tropical climates. The temperature and humidity vary greatly from south to north throughout the year. The temperature and humidity changes experienced by the packaging of exported products will be greater and the scope of adaptation needs to be broader. Therefore, we must consider the temperature and humidity conditions on the transport package in the circulation process. In the test of the product, buffer material, and packaging container, the temperature and humidity pre-conditioning treatment of the sample is also required.

The purpose of the temperature and humidity control process is to: 1 simulate climate change, examine the adaptability of the package, and 2 perform pretreatments for performance testing of other packages. For example, as the relative humidity increases, the moisture content of the corrugated box rises linearly. The actual data showed that when the humidity increased from 65 % to 85 %, the moisture content was 10 . 8 % rose to 11 . 8 %. Its compressive strength dropped from 6700N to 4100N . In addition, plastic packaging ( such as plastic packaging for food, chemical raw materials, etc. ) , at higher temperatures, the deformation of the plastic packaging subjected to the load is large, and aging phenomenon occurs, and the strength is rapidly reduced. At low temperatures, the plastic itself becomes brittle and its strength decreases.

Haida Instrument is a professional manufacturer of packaging testing instruments. It specializes in sales of carton compression testing machines, cardboard testing machines, ring pressure testing machines , burst strength testing machines, drop testing machines, and packaging pressure testing machines . The company is committed to providing companies with solutions for the entire laboratory to help companies improve product quality and solve various customer requirements of product quality problems.

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