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New EN offers highest selectivity for bi-injected parts in the field of Plating On Plastics

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Over the last decade, the demand for plated bi-injected parts has increased year after year.

Nearly every global automotive OEM, most notably in Europe and Asia, have such parts integrated in their interior design.  Examples of plated bi-injected parts are control knobs, push-buttons, ornamental frames for tachometers and many other parts too numerous to list

In addition to the increase demand for bi-injected parts, we have seen an increased need for high selectivity between the plateable and non plateable surfaces as well as a change in the material combinations.

A recent market study found significant differences in regards to selectivity between each plater and parts made in their moulding department. As a consequence, different platers use different processes and parameters in their plating line, often with a very narrow operating window.

COVENTYA offers a solution to this with our SILKEN METAL 701, a proven electroless nickel technology with the highest selectivity for various plastic combinations.

In addition to unrivalled selectivity, SILKEN METAL 701 has following advantages:

  • Broad operating window
  • Requires only one catalyst & accelerator for bi-injected parts standard parts
  • Ammonia free
  • Easily integrated into existing POP lines

One should not dismiss the importance of the ammonia free aspect of SILKEN METAL 701

Due to the high operating pH of ammonia based electroless nickel systems evolve very strong ammonia odors which require extreme ventilation.  Even under ideal circumstances, ammonia will be given off during pH adjustment and replenishment of the EN chemistry. Strong odor aside, ammonia fumes are significant irritants to humans and pose a serious safety risk.

SILKEN METAL 701 is completely odourless and operates under nearly the same parameters as the ammoniated versions currently in operation.  Immersion time, pH and temperature are all comparable with ammonia based electroless Nickel

In addition to the environmental benefits, SILKEN METAL 701 provides the highest selectivity on bi-injected parts, which are seen more and more in the interior of vehicles from most global automotive OEMs.

COVENTYA's SILKEN METAL 701 is installed in several major automatic POP platers across Europe and is delivering positive results for bi-injected parts all while creating a much more environmentally friendly workplace. 

COVENTYA INDIA - ISO 14001: 2015


COVENTYA INDIA PVT LTD is glad to announce that we have successfully completed Audit requirements as per ISO 14001: 2015 and will be now certified as ISO 14001:2015 Compliant Organization in few days.  This certification will be accredited by TUV-SUD South Asia and is valid for 3 years.

To become certified as, ISO 14001:2015 compliant, Coventya India underwent an evaluation process that included environment management system development and implementation review through internal audit, stage 1 audit, and Final certification Audit.

We started implementation of EMS from October 2016 and successfully completed it on 28th June 2017.

External Auditors have thoroughly audited our documented information, Aspect Impact Analysis, mitigation of Significant Environment Aspect, Action plan for reduction of risk and opportunity, Environmental Objectives and Evaluation of objectives, Emergency Preparedness & Response and found to be compliant as per Standard.

We may get our ISO 14001:2015 Certificate Copy by end July, 2017.

As Environment Coordinator I would like to express my thanks to Mr. Satish Kasar who assist to me , all Process Owners, Team members who actively participated in achieving this success, Top Management who were supported a lot to implement this system.

My special thanks to our Implementation Partner - Mr. Suresh Sovani for their affiliation with Coventya India.

COVENTYA latest product launch has captured the market's interest. CUBRAC 2900 is a high performance acid copper system that outshines the rest.


CUBRAC 2900 is COVENTYA’s the latest development in our product offering of high performance decorative acid copper plating technologies. CUBRAC 2900 Process is based on new dye chemistry that provides a technology that is a low-dye/dye-assisted, high performance addition agent system specifically formulated for decorative applications where bright, ductile, and leveled acid copper deposits are required.  The process utilizes three make-up and replenishment materials to do this, CUBRAC 2900 Base, CUBRAC 2900 Brightener, and CUBRAC 2900 Leveler. 

The low-dye based additive technology and the use of a three addition agent system assures applicators can meet the demands of metal based as well as OEM automotive plastic applications.

Additional advantages of the CUBRC 2900 process are excellent low current density performance; enhanced solubility of the additive components providing a pit free deposit with superior elongation properties, burn free deposits and low replenishment of addition agents which provides for a lower addition agent operating costs.

THE DRIVE OFF ROAD - Aluminium Surface Treatment


CO2 balances and electromobility are two major drivers for weight reduction in vehicles. Aluminum is one of the most important light metals and therefore always belongs to the tight selection when it comes to saving weight. In addition, aluminum is a tried and tested construction metal in almost all branches of industry, even outside the automotive industry.

The challenge for surface technology is to create several properties, such as wear and corrosion protection, or decorative appearance. This paper provides an overview of various possibilities for the surface treatment of aluminum.


LANTHANE 613.3, a single process solution for conversion and sealing

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Surface finishing is an integral part of the global aerospace industry, with much of this business focused on treating Aluminium with anodising and passivation processes. This has traditionally been dominated by a small number of specified coatings, which are based on hexavalent chromium and dichromate substances. The use of these substances has become objectionable, and there is growing pressure to remove them from the supply chain.

Regulations such as REACh, are the driving force behind the removal of hazardous substances from surface treatment applications, which has created opportunities for the introduction of new and novel processes that can be used as conversion and prepaint coatings on Aluminium, and as a seal for anodising.

Enabling the surface finishing industry to meet these demands, speciality chemical company Coventya have introduced a range of products that are free from hexavalent chromium and dichromate substances. Lanthane 613.3 is a new product for conversion and sealing, offering a single process solution for the cost effective and sustainable treatment of Aluminium and anodising.