S& L

Engaging in PCB R&D and manufacturing for 14 years Leading the innovation of PCB technology

Support and service
Contact S&L

Tel:+86-4000-169679
 
Fax:+86-755-27280699
 
 
Address:Xinda Industrial zone, Heyi Cun, Jinxiu Nan Rd.,Shajing Town, Bao'an district, Shenzhen, Guangdong, China
 

 

Contact S&L

Tel:+86-4000-169679
 
Fax:+86-755-27280699
 
 
Address:Xinda Industrial zone, Heyi Cun, Jinxiu Nan Rd.,Shajing Town, Bao'an district, Shenzhen, Guangdong, China
 

 

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Please refer to the table below:

Shelf life of packed finished PCB

Surface finish

Shelf life

HASL

12months

Immersion gold

12 months

OSP

6 months

Immersion tin

6 months

Immersion silver

6 months

Electro-tin

6 months

Electro-silver

6 months

Electro-gold

12 months