A-TECH highly-rated hasl lf company at discount

Company Advantages
1. A-TECH is required to go through various inspections. Its raw materials (ingredients and safety), abrasion resistance, hypoallergenic feature, and its physical properties (rigidity, tensile strength, etc.) will be carefully checked. The product has the performance of great stability
2. People who used it for half a year said there is no aging, deformation or even extrusion damage occurs in this product. It is widely used in different electronics industries, such as telecommunication and consumer electronics
3. The product features a strong structure. The match and the precision of the hole sites and dimension is high enough to guarantee the solidity of the cabinet body. It is vacuum-sealed, which can greatly reduce the bulk of the overall cargo
4. The product is highly hypoallergenic. Its materials are specially treated to be free of bacteria and fungi when is processed. It can be manufactured with a customized thickness

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.

Company Features
1. plays an important role in the quality assurance of hasl lf .
2. A-TECH will constantly develop its culture the strengthen the cohesion of the staff. Get an offer!