Why Is Lead Free HASL Finish A Hassle?

Hot Air Solder Leveling (HASL finish) has long been a reliable PCB surface finish, still used today in military, aerospace, medical, and other applications. So what concerns do manufacturers have, and is lead free HASL your best option?

Superb Surface Finish PCB by PCBTok

Practical Lead-Free PCB Manufacturer and Supplier

Superb Surface Finish PCB by PCBTok

Pros and Cons of Surface finishes - VAC Consulting ApS

What's the Difference Between HASL and HASL Lead-free in PCB? - RAYPCB

PCB Capabilities - One Stop Shop For PCB Fabrication & Assembly

Printed Circuit Board Surface Finishes - Advantages and Disadvantages

Printed Circuit Board Surface Finishes

How About the Environment of HASL Finish PCB?