PU constructing joint sealant material with superior elongation and tensile strength.
PU填 缝材具有极大的伸长率和抗撕裂强度,是建筑物最理想的伸缩缝材料.
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Elastic recovery of joint sealant for airport concrete runway is important to its waterproofing.
机场道面密封材料的弹性恢复特性对道面防水密封效果具有重要影响.
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