Ess ESS Trading Authorised distributor for Atotech India Pvt Ltd Location map

Our Billing address and GSTN

21 Mar 2025

ESS ESS TRADING

81,Visveshwara Nagar, 

Vilankurichi, Coimbatore - 641035  

GST No: 33AHCPG6209J1ZM

 

Location Map: Click here to view location map 

https://maps.app.goo.gl/4eYnHSpYpwGxNyWDA

 

Our official Transport:

ACPL Avinash Cargo Click here to contact ACPL   

Book all materials  on door delivery basis.

Atotech Modern Cleaners: Shaping the future of sustainable industrial cleaning.

Atotech Modern Cleaners: Pioneering Sustainable Industrial Cleaning Solutions

This blog post explores the advancements in sustainable industrial cleaning, focusing on Atotech's modern cleaners that operate at lower temperatures, reduce environmental impact, and enhance cleaning efficiency. It discusses the types of cleaners, their compositions, and the innovative two-component system designed for better performance and sustainability.

In today's industrial landscape, the need for sustainable cleaning solutions is more pressing than ever. This blog post delves into the advancements made by Atotech in the realm of industrial cleaning, particularly focusing on their modern cleaners that are shaping the future of sustainable practices in the industry.

## Overview of the Webinar

The webinar, moderated by Katarina, featured Neil Patton, a seasoned expert with over 30 years of experience in chemical processes and technology. Neil provided insights into the evolution of cleaning solutions, particularly soak cleaners for metal substrates, and discussed the benefits of modernizing these processes.

## Types of Cleaners

Neil outlined several types of cleaners, emphasizing immersion cleaners, which are the focus of the discussion. The main categories include:

- **Emulsifying and Demulsifying Cleaners**: These cleaners either mix with oils or separate them from surfaces.

- **Electrolytic Cleaners**: Utilize electrical currents to enhance cleaning.

- **Spray Cleaners**: Apply cleaning solutions through spraying.

- **Ultrasonic Cleaners**: Use high-frequency sound waves to agitate the cleaning solution, improving cleaning efficiency.

## Composition of Soak Cleaners

Soak cleaners are primarily composed of three components:

1. **Builders**: Such as sodium hydroxide and potassium hydroxide, which enhance cleaning efficiency.

2. **Surfactants**: These reduce surface tension, allowing for better penetration and removal of contaminants.

3. **Additives**: Various chemicals that provide additional functionalities, such as chelating agents that bind to metals and prevent them from re-depositing.

## Modernizing Cleaning Processes

### Challenges with Traditional Cleaners

Traditional soak cleaners often operate at high temperatures, which can lead to increased energy consumption and a larger carbon footprint. Additionally, many older raw materials used in these cleaners are now restricted due to environmental concerns.

### The Two-Component System

To address these challenges, Atotech has developed a two-component system:

- **Builder Package (Uniclean B)**: Contains the alkaline components necessary for effective cleaning.

- **Additive Package (Uniclean A)**: Comprises surfactants and other additives that enhance cleaning performance.

This system allows for greater flexibility in formulation, enabling users to adjust the cleaning solution based on specific applications while minimizing environmental impact.

## Benefits of the New Process

The new ultra-low temperature cleaner operates effectively at 35°C, significantly reducing energy costs and CO2 emissions. Key benefits include:

- **Improved Cleaning Efficiency**: The new formulations have shown better performance in removing various types of oils compared to traditional cleaners.

- **Longer Bath Lifetimes**: By effectively degrading oils during operation, the need for frequent replacements is reduced, leading to lower operational costs.

- **Environmental Sustainability**: The formulations avoid harmful substances, aligning with modern environmental regulations and practices.

## Testing and Benchmarking

Neil discussed various testing methods used to evaluate the effectiveness of the new cleaners, including:

- **Gravimetric Testing**: Measuring weight loss of contaminants before and after cleaning.

- **Water Break Tests**: Assessing the ability of water to spread on a surface, indicating cleanliness.

- **Copper Immersion Tests**: Evaluating the uniformity of copper deposition on cleaned parts.

These tests ensure that the new cleaners meet the stringent requirements of the metal finishing industry.

## Conclusion

The advancements in Atotech's modern cleaners represent a significant step towards sustainable industrial cleaning. By focusing on lower operating temperatures, improved formulations, and environmentally friendly practices, Atotech is setting a new standard in the industry. The future of industrial cleaning is not only about efficiency but also about responsibility towards our environment.

In summary, Atotech's commitment to innovation in cleaning technology is paving the way for a more sustainable future in industrial cleaning practices.

Ess Ess Trading

Regional Excellence award 2023 @mksinstruments #atotech pic.twitter.com/fitaMqD1k3

— Ess Ess Trading (@essesstrading) February 6, 2024

The Future without hexavalent Chrome

Please contact us to buy atotech Products 

Email: info@essesstrading.in  Mobile: 9843019701

mks atotech #india #coimbatore #mksinstruments #essesstrading #platingchemicals

Stannatech 2100 : Revolutionizing Immersion TIN Platingfor next-gen Performance

Contact us : Email: info@essesstrading.in  Mobile: 9843019701

The Stannatech 2100 immersion tin plating process offers significant improvements over existing methods, including reduced viscosity, enhanced solderability, and compatibility with auxiliary equipment, addressing common defects and performance issues in PCB applications.

Immersion tin plating is a displacement reaction process where copper is dissolved during the deposition of tin, forming a tin layer directly on copper. This process creates a copper-tin intermetallic compound (IMC) that is crucial for soldering applications. Immersion tin layers are particularly attractive in the PCB market due to their robustness, long shelf life of at least 12 months, and absence of nickel, making them suitable for high-frequency applications. Additionally, immersion tin is more corrosion-resistant compared to other finishes, which is beneficial for automotive applications and offers a lower cost alternative to precious metal finishes.

Properties and Benefits of Stannatech 2100

The Stannatech 2100 immersion tin electrolyte introduces several enhancements over existing immersion tin solutions. Key benefits include:

• Reduced Viscosity: The new formulation significantly lowers the viscosity of the immersion tin solution, improving solution exchange and rinsing capabilities, especially in narrow features.
• Improved Soldering Performance: The Stannatech 2100 demonstrates better solder wetting characteristics, achieving lower spreading angles in solder spread tests compared to reference processes.
• Compatibility with Auxiliary Equipment: The process is designed to work seamlessly with existing auxiliary equipment, such as the constan and crystallizer, which help maintain consistent plating conditions and extend the bath life.

Typical Defects in Immersion Tin Plating

Despite its advantages, immersion tin plating can present certain risks and defects:

• Whisker Growth: Caused by the formation of intermetallics during aging, leading to stress and potential whisker formation.
• Copper Diffusion: The absence of a barrier layer allows copper to diffuse through the tin layer, limiting the shelf life of the finish.
• High Ionic Contamination: Poorly cured solder masks can absorb immersion tin chemistry, leading to high ionic contamination levels.

Key Improvements with Stannatech 2100

The Stannatech 2100 addresses several limitations of previous immersion tin processes:

1. Enhanced Solution Exchange: The reduced viscosity allows for better solution exchange, preventing excessive copper dissolution and corrosion in narrow areas.
2. Improved Rinsing: The lower viscosity facilitates easier rinsing, reducing drag-out of plating chemistry and minimizing ionic contamination.
3. Lower Undercut Risk: The process shows a significant reduction in undercutting of solder masks, enhancing overall finish quality.

Soldering Performance Tests

Various soldering performance tests were conducted to evaluate the effectiveness of the Stannatech 2100:

• Solder Spread Test: Results indicated that the Stannatech 2100 achieved lower spreading angles, indicating better solder wetting compared to reference processes.
• Wetting Tests: The Stannatech 2100 consistently performed better in wetting tests, demonstrating superior solderability across different aging conditions.
• Dewetting Tests: The new process showed no failures in dewetting tests, indicating strong solder connections.

Root Causes of Soldering Defects

Common soldering defects associated with immersion tin can often be traced back to:

• Residues on Copper: Contaminants not removed before the tin plating can interfere with IMC growth and solder wetting.
• Inadequate Rinsing: Insufficient rinsing after the immersion tin process can leave residual chemistry that affects solderability.
• Volatile Contaminants: Volatiles from poorly cured solder masks can evaporate during reflow, leading to defects.

Post-Treatment Solutions

To further enhance the performance of immersion tin layers, several post-treatment solutions are available:

• Ionics 2100: Reduces ionic contamination, particularly important for automotive applications.
• Tin Post Treatment 8: Prevents yellowish discoloration of the immersion tin layer after reflow aging.
• Tin Post Treatment 2020: Strengthens the oxide layer, reducing the risk of dewetting defects.

Conclusion

The Stannatech 2100 immersion tin plating process represents a significant advancement in PCB manufacturing, addressing common challenges associated with traditional immersion tin methods. With its reduced viscosity, improved solderability, and compatibility with existing equipment, the Stannatech 2100 is poised to meet the evolving demands of the electronics industry, particularly in high-performance applications such as automotive and high-frequency devices.

As the industry continues to seek solutions that enhance reliability and performance, the Stannatech 2100 stands out as a promising option for next-generation immersion tin plating.

We at ESS ESS TRADING provide complete service and supply of chemicals in India . Contact us : Email: info@essesstrading.in  Mobile: 9843019701

New Development in EN Corrosion Protection

This blog post discusses the latest developments in high phosphorus electroless nickel coatings, focusing on their superior corrosion protection capabilities compared to traditional methods. It covers the importance of coating thickness, the impact of porosity, and the evaluation methods used to assess corrosion resistance.

For more details and purchase mks Atotech Products  

Contact us -Email: info@essesstrading.in Mobile: 9843019701

In a recent webinar, experts presented significant advancements in high phosphorus electroless nickel (EN) coatings aimed at improving corrosion protection. This post summarizes the key points discussed, including the importance of corrosion protection, the evaluation methods for coatings, and a comparison of new processes against existing technologies.

Understanding Corrosion Protection

Corrosion protection is crucial for extending the lifespan of components exposed to harsh environments. Electroless nickel coatings are particularly valued for their wear resistance and corrosion resistance. Unlike traditional electrolytic processes, electroless nickel coatings are deposited uniformly without the influence of current density distribution, resulting in consistent thickness across complex geometries.

Importance of Uniform Thickness

The uniformity of electroless nickel coatings is a significant advantage. For instance, the thickness variation in electroless nickel coatings is typically less than five percent, even in deep recess areas. This uniformity is essential for ensuring effective corrosion protection, as demonstrated by the comparative analysis of electroless and electrolytic nickel coatings.

Mechanism of Corrosion Protection

Electroless nickel coatings provide corrosion protection by encapsulating the substrate, forming a barrier layer that prevents corrosive elements from reaching the underlying material. The nickel-phosphorus layer is inert to many corrosive conditions and forms a strong oxide layer that further protects the surface.

Factors Affecting Corrosion Resistance

The effectiveness of corrosion protection is influenced by several factors:

• Surface Preparation: A defect-free substrate is critical. Inclusions from casting or fabrication processes can lead to defects in the coating.
• Coating Thickness: Thicker coatings generally provide better protection. For example, a thickness of 75 microns is recommended for extreme environments, while 20 to 30 microns is typical for automotive applications.
• Operating Parameters: Bath filtration, agitation, and the use of appropriate raw materials are essential to minimize defects during the plating process.

Evaluation Methods for Corrosion Resistance

To assess the corrosion protection of electroless nickel coatings, several testing methods are employed:

• Peroxide Test: This test reveals pores in the coating by reacting iron ions with potassium hexacyanoferrate.
• Salt Spray Tests: Various salt spray tests, including neutral, acetic acid, and copper accelerated acetic acid tests, are used to evaluate the corrosion resistance under different conditions.
• Water Climate Test: This test simulates corrosive environments by using sulfur dioxide to accelerate corrosion.

Correlation Between Thickness and Porosity

Research indicates a direct correlation between coating thickness and porosity. For instance, coatings around 30 microns thick exhibit near-zero porosity, which is crucial for effective corrosion protection. The presence of pores can lead to substrate corrosion, especially in moist environments.

New Developments in Electroless Nickel Processes

The webinar highlighted the introduction of the Nikem HP 1170 process, which offers enhanced corrosion protection through improved formulation and process parameters. Key features include:

• High Phosphorus Content: The process achieves a phosphorus content of 10 to 12 percent, enhancing corrosion resistance.
• Compressive Stress: The new process maintains compressive stress throughout the bath life, contributing to the durability of the coating.
• Environmental Compliance: The formulation is free from toxic heavy metals, aligning with environmental regulations.

Performance Comparison

In comparative tests, the Nikem HP 1170 process outperformed previous generation processes in terms of corrosion resistance. For example, panels coated with Nikem HP 1170 showed no red rust after extensive exposure in salt spray tests, demonstrating superior performance over traditional methods.

Conclusion

The advancements in high phosphorus electroless nickel coatings represent a significant leap forward in corrosion protection technology. By focusing on uniform thickness, minimizing porosity, and utilizing innovative processes like Nikem HP 1170, manufacturers can achieve enhanced durability and longevity for components in corrosive environments. As the industry continues to evolve, these developments will play a crucial role in meeting the demands of various applications, from automotive to marine environments.