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A-TECH China hasl coating Supply for wholesale

A-TECH China hasl coating Supply for wholesale

Shelf Life
6 Months
RoHS Compliant
Additional Cost
Supply Capacity
15000 ㎡/Month
UL, ISO9001, TS16949
Payment Terms
T/T, Paypal, WU etc.
Shipment Terms
EXW, FOB, DDU etc.
Test Way
100% E-Test
Get Latest Price
Get the latest price
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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.

While fabricating A-TECH hasl coating, advanced technologies and equipment are used. Going through salt spray test up to hundreds of hours, it is highly resistant to corrosion
A-TECH enig pcb finish is elaborately designed by innovative experts who know well about the market changing demands. This product is made in line with the "green low carbon" proposed by the state
The raw materials of A-TECH hasl coating are paid great attention during the incoming material inspections. The light emitted by this product is soft, comfortable, and not glaring
Each production step of A-TECH enig pcb finish is carefully monitored to ensure efficient and accurate production. Its correlated color temperature(CCT) can be customized
The latest machines and equipment are adopted in the manufacturing process of A-TECH enig pcb finish following standards & norms of industry. This product is constructed with an over current protection function
hasl coating not only has the characteristics of enig pcb finish, but also has significant economic benefits and a good application prospect. The one-piece cold forging ensures its precise shape
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