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wholesale China enig pcb finish silver free delivery at discount

wholesale China enig pcb finish silver free delivery at discount
  • wholesale China enig pcb finish silver free delivery at discount

wholesale China enig pcb finish silver free delivery at discount

A-TECH enig pcb finish is produced in strict accordance with international production specification and standards. It comes with a washing label containing product parameters and notes
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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.




When manufacturing A-TECH enig pcb finish, we take the quality of raw materials into consideration. It can be customized with metal ions like copper ions to increase effectiveness
A-TECH enig pcb finish has a variety of designs to meet with different customer needs. Customers' logos can be printed on this product
A-TECH enig pcb finish is manufactured by using the high precision equipment and the latest technology. Customers' logos can be printed on this product
A-TECH enig pcb finish is designed for ease-of-use to improve convenience.
All raw materials used to manufactured A-TECH enig pcb finish have to go through stringent quality checking procedure. It is flexible when walking, but clings to the knees when the user kneels down
The product has the required durability. It features a protective surface to prevent humidity, insects or stains to enter into the inner structure. It has been designed to provide maximum coverage, comfort, and flexibility
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