Discussion on Cracking Factors of Automotive PVC Sealant

QIN Jiang-ding[1];LIAO Zhang-ong[1];DENG Lie-xiong[1];XIAO Jie-hui[1]

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Modern Paint & Finishing ›› 2023, Vol. 26 ›› Issue (7) : 41-43.

Discussion on Cracking Factors of Automotive PVC Sealant

QIN Jiang-ding[1];LIAO Zhang-ong[1];DENG Lie-xiong[1];XIAO Jie-hui[1]

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Abstract

The possible causes of cracking of PVC sealant in different states were described.The influencing factors were analyzed from the sealant material system,baking time,structural stress,natural environment,coating process and other aspects.And corresponding measures were put forward to restrain the quality defects of PVC sealant cracking.

Key words

PVC sealant for automobiles;cracking of sealant;corrosion protection

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QIN Jiang-ding[1];LIAO Zhang-ong[1];DENG Lie-xiong[1];XIAO Jie-hui[1]. Discussion on Cracking Factors of Automotive PVC Sealant[J]. Modern Paint & Finishing. 2023, 26(7): 41-43