The plating material is evaporated 

too little.

Adjust the equipment to 

increase the evaporation of plated materials.

Evaporation time is too short.

Extended evaporation time.

Operate under insufficient vacuum.

Adjust the equipment to 

increase the vacuum of the 

electroplating furnace.

Evaporation rate is too slow.

Adjust equipment to speed 

up evaporation of plating materials.

The primer is drying incompletely.

Strengthening curing

(Increasing baking 

temperature, extending 

baking time or increasing UV curing energy)