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highly-rated osp pcb gold plated company at discount

highly-rated osp pcb gold plated company at discount
  • highly-rated osp pcb gold plated company at discount

highly-rated osp pcb gold plated company at discount

HAL(Lead Free), the full name is Hot Air leveling with Lead Free. Compared with HASL, the main difference for HAL(Lead Free)...
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HAL(Lead Free), the full name is Hot Air leveling with Lead Free. Compared with HASL, the main difference for HAL(Lead Free) is the element of material which do not contain Lead(Pb), so it’s RoHS Compliant and it’s much more popular and widely used in PCB manufacturing.

HAL(Lead Free) requires higher run temperatures for lead free solder and longer contact time, the production cost for HAL(Lead Free) is slightly higher than HASL(Tin/Lead).

The manufacturing process of HAL(Lead Free) is similar to HASL(Tin/Lead), the circuit boards will be submersed in molten solder(Lead Free). This solder will cover all the exposed copper surfaces. Upon retraction from the solder, high pressure hot air is blown over the surface through air knives, this levels the solder deposit and removes the excess solder from the surface of printed circuit boards.

The typical thickness of HAL(Lead Free) is 1-40um and the shelf life is 12 months.



The advantages of HAL(Lead Free) surface finish

● Good solderability / wettability
● RoHS Compliant
● Good reflow properties
● Large processing window is allowed
● Multiple thermal excursions
● Can be widely used



The disadvantages of HAL(Lead Free) surface finish

● Uneven surface
● Not suitable for PCBs with fine pitch
● Thermal shock
● Solder bridge
● Plugged or Reduced plated through holes



A-TECH have HAL(Lead Free) surface finish in house, It’s basically the highest proportion of finish used for circuit boards without fine pitch or high density layout. We don’t have any additional cost for HAL(Lead Free) surface finish.




The production of A-TECH osp pcb adopts excellent quality raw materials that are obtained from the licensed vendors of the market. Made of harmless materials, it's eco-friendly
The offered A-TECH lead free hasl pcb is designed by a dedicated team of experts. The product has the advantage of remarkable electromagnetic compatibility
Owing to the years of industrial experience, A-TECH lead free hasl pcb is elaborately manufactured in an accurate and effective way. The product has good heat dissipation effect
The raw materials of A-TECH lead free hasl pcb are of high quality. It is sourced from top grade suppliers whose materials are in line with the quality standards. Made of harmless materials, it's eco-friendly
A-TECH lead free hasl pcb, made of the finest quality materials, has a touch of class. It is easy to maintain, diagnose the fault, and monitor
Sampling is critical in the product testing. It is made in compliance with RoHS and WEEE environmental standards
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