ITW EAE Support Center

Common Soldering Defects

• DE wetting -

Materials Solderability Problem

Insufficient/ Inactive Flux

• Bridging - 

Insufficient/ Inactive Flux 

Low Soldering Temperature

PCB Layout 

• Blow Hole - 

Poor Quality PCB 

Preheat Setting too low 

Baking Process

• Solder Skip

Materials Solderability

Insufficient/ Inactive Flux 

Solder Wave

Warp PCB

Alvin is the author of this solution article.

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