Research on the Cracks,Bulges and Blisters of PVC Sealant on Welding Seam of Car Body Roof

WANG Gang[1];WANG Ming[1];YANG Feng[1];HUANG Li-li[1]

WANG Gang[1];WANG Ming[1];YANG Feng[1];HUANG Li-li[1]

Modern Paint & Finishing ›› 2020, Vol. 23 ›› Issue (9) : 17-19.

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Modern Paint & Finishing ›› 2020, Vol. 23 ›› Issue (9) : 17-19.

Research on the Cracks,Bulges and Blisters of PVC Sealant on Welding Seam of Car Body Roof

WANG Gang[1];WANG Ming[1];YANG Feng[1];HUANG Li-li[1]

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Abstract

Based on the failure phenomena of the cracks,bulges and blisters of PVC sealant on welding seam of car body roof,the problems are analyzed and verified from the welding plant and the paint plant,and the solutions and preventive measures of this kind of faults are expounded.

Key words

weld sealant;spot weld sealant;sealant cracks;bulges;blisters

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WANG Gang[1];WANG Ming[1];YANG Feng[1];HUANG Li-li[1]. Research on the Cracks,Bulges and Blisters of PVC Sealant on Welding Seam of Car Body Roof[J]. Modern Paint & Finishing. 2020, 23(9): 17-19