Organic Solderability Preservatives

Explore OEMs' preferred choice of OSP solutions, proven in production across diverse lead-free assembly applications.

Exceptional Reliability and Solder Joint Integrity

The industry’s most trusted Organic Solderability Preservative (OSP), ENTEK® Plus HT, ensures superior lead-free soldering through multiple reflows, delivering the highest reliability in Ball Grid Array (BGA) solder joints.

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ENEPIG

Achieve Six Sigma assembly performance and exceptional reliability with our ENEPIG corrosion-free, high-uniformity deposits.

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ENIG

Exceed IPC quality standards with our ENIG solutions, delivering exceptional performance and the lowest total cost of ownership.

 

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Immersion Silver

Secure strong solder joints, touchpad functionality, and aluminum wire bonding with the industry's most trusted ImAg finishes.

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Immersion Tin

Gain consistent reliability and unmatched productivity with our trusted immersion tin final finishes.

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Why MacDermid Alpha?

Integrated Solutions
Our deep understanding of the interaction between organic solderability preservative molecules and circuit board assembly materials allows us to deliver the most reliable assembly yields. 

Sustainability
Elimination of precious metals, low temperature operation and reduced rinse water requirements make ENTEK OSP the number one choice for sustainable surface finishing. 

Reliability
Leveraging Six Sigma methodology in product development eliminates waste and enhances the reliability of every solution, ensuring peak performance.

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Frequently Asked Questions

What is an Organic Solderability Preservative (OSP) in PCB manufacturing?

An Organic Solderability Preservative (OSP) is a surface finish used in Printed Circuit Board (PCB) manufacturing that protects copper pads by applying a thin organic layer. This layer prevents oxidation, maintaining solderability for reliable connections in assembly.

How does ENTEK OSP improve solder joint reliability?

ENTEK® OSP creates a consistent, low-resistance surface that withstands multiple lead-free reflows, improving solder joint reliability. Its stable coating minimizes rejects and rework, offering higher yields and consistent assembly performance.

Can ENTEK OSP be used with lead-free soldering?

Yes, ENTEK® OSP is designed for lead-free soldering, and maintains solderability and low resistance even after multiple high-temperature reflows. It provides stable, high-quality joints and is ideal for lead-free assembly.

How does ENTEK OSP compare to other OSPs in terms of solderability?

ENTEK® OSP outperforms competitors with superior solderability, even after multiple reflows. Its coating consistency and resistance to corrosion help ensure stable joints and higher assembly yields, reducing rejects and rework.

Is ENTEK OSP plating compatible with ENIG finishes?

Yes, ENTEK® OSP is compatible with ENIG (Electroless Nickel Immersion Gold) finishes and other mixed-metal applications. Its selective deposition avoids contamination on gold connectors or heat sinks, ensuring quality results.

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