Effect of Low Temperature upon Dynamic Cushioning Properties of EPE Foam Material

YANG Shuai, KANG Yong-gang, QI Fei

Packaging Engineering ›› 2015 ›› Issue (7) : 21-25.

Packaging Engineering ›› 2015 ›› Issue (7) : 21-25.

Effect of Low Temperature upon Dynamic Cushioning Properties of EPE Foam Material

  • YANG Shuai, KANG Yong-gang, QI Fei
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Abstract

Dynamic cushioning properties of Expanded Polyethylene (EPE) under low temperature conditions were tested and analyzed at drop heights of 61 cm and 76 cm, respectively. Dynamic shock tests of EPE foam material specimens at 23, 0, -15, and -30 ℃ were conducted according to the temperature range of the practical distribution. Compared with the ambient temperature, the static loading ability of the dynamic cushioning curves at low temperature was increased by about 0.9 to 2 kPa while the amplitude of acceleration was reduced by about 7 g to 8 g. In low temperature conditions, the loading ability of the EPE specimens increased while the minimum acceleration level was lower than that under the same force at the ambient temperature. It was recommended that the real temperature in distribution should be taken into account during the design of cushioned packages.

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YANG Shuai, KANG Yong-gang, QI Fei. Effect of Low Temperature upon Dynamic Cushioning Properties of EPE Foam Material[J]. Packaging Engineering. 2015(7): 21-25

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