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A-TECH China pcb gold plating free delivery for wholesale

A-TECH China pcb gold plating free delivery for wholesale

Thickness
1-40um
Shelf Life
12 Months
Solderability
Good
RoHS Compliant
Yes
Additional Cost
No
Supply Capacity
20000 ㎡/Month
Certifications
UL, ISO9001, TS16949
Payment Terms
T/T, Paypal, WU etc.
Shipment Terms
EXW, FOB, DDU etc.
Test Way
100% E-Test
Standard
IPC CLASS 2 / CLASS 3
Price
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Quantity Needed:
Pieces
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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.




A-TECH hard gold pcb must go through these following production stages, including metal materials procurement and preparation, components machining, surface polishing, and assembly. It will not lose its adherence force even stored for a long period
A-TECH pcb gold plating has been tested according to the general standards. It is tested in terms of functionality, strength, stiffness, wears, and corrosion. This product can keep the packaged contents safe and secured
A list of factors is taken into account of A-TECH pcb gold plating conception. They involve complexity, feasibility, optimization, tests, etc. of a machine. This product is widely used in the fields of industrial packaging, offices, advertising, shipping, etc
Lots of factors are taken into consideration in A-TECH hard gold pcb design. They are required motion, required space, speed of operation, required labor, etc. It can be used by hands or automatic carton sealing machines
There are many factors being considered during A-TECH hard gold pcb design. They include the selection of material, form and size of the parts, frictional resistance and lubrication, and safety of the operator. This product can be applied in the various base materials, such as wood, metal, plastics, leather, and paper
It has the proper size in consideration of the force. Each element of this product is designed with the most suitable size by considering the force acting on it and the permissible stresses for the material used. It has the advantage of good breaking strength
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