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bulk buy China hasl to enig tin company for wholesale

bulk buy China hasl to enig tin company for wholesale
  • bulk buy China hasl to enig tin company for wholesale

bulk buy China hasl to enig tin company for wholesale

The appearance design of A-TECH enig pcb finish are in line with the industrial standards.
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OSP, the full name is Organic Solderability Preservative, it preserves the copper surface from oxidation by applying a very thin protective layer of material over the exposed copper usually using a conveyorized process. It uses a water-based organic compound that selectively bonds to copper and provides an organometallic layer that protects the copper prior to soldering. It’s also extremely green environmentally in comparison with the other common lead free finishes, which Suffer from either being more toxic or substantially higher energy consumption.

The typical thickness of OSP is 0.2 – 0.65um and the shelf life is 6 months. It’s a simple manufacturing process to make OSP, and like HASL finish, the production cost of OSP is lower than most of other surface finishes.



The advantages of OSP 

● Cost effective / Low cost
● Simple process
● Excellent flatness
● Re-workable
● Clean, environmentally friendly process



The disadvantages of OSP

● Short shelf life
● Very sensitive to handling – gloves must be used and scratches avoided
● Short operating window between assembly stages
● Not suitable for multiple soldering processes
● Difficult to inspect or measure thickness



A-TECH own OSP line in house, it’s nowadays mainly used to build single-sided FR4 PCB or aluminum PCB with low cost requirements.




The raw materials of A-TECH hasl to enig are of high quality. It is sourced from top grade suppliers whose materials are in line with the quality standards.
A-TECH enig pcb finish is manufactured using the latest machinery and known for its reliable attributes.
A-TECH hasl to enig is developed in our endeavor to provide the highest level of quality.
Each A-TECH hasl to enig consists of certified raw materials as standard.
The offered hasl to enig is manufactured using premium quality materials and sophisticated technology.
hasl to enig has not only enig pcb finish but also enig pcb finish.
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