Permanent Marking on GI Wires

Request Number N374389
Need details

We supply galvanized wires (GI) of varying sizes to our immediate customers who further process these to make finished products such as chain links, barbed wires & farming wire. These finished wires are used in places which have harsh environmental conditions like rains, bright sun light, dust, rubbing by animals etc.


We print branding and product specific information on each of these wires through inkjet printing at an interval of 1m, before these wires are shipped to our customers. However, when these wires are processed further to make the finished products this marking gets erased, which is undesirable.



The size of the wires ranges from 1.60 mm to 4.88 mm diameter. The production speed varies from 60 m/min to 120 m/min & coating thickness (coating of galvanization) varies from 60 Gsm (grams per meter) to 275 Gsm.


We print our brand logo and product specific information on all of these wires every 1m by inject printer. We use commercially available ink for printing.


To make our brand visible for a longer time, we tried using different types of commercially available ink, but didn’t get the desired results.  The marking gets dull and/or erased even when it is rubbed repeatedly for about 50-60 times. Laser printing was also found to be unsuitable as it was not able to print at the speeds required. We also tried Laser Engraving, but it was found that engraving was peeling off the Zinc coating.


We are looking for a solution which will enable us to print/display our brand and product specific information on the wires in such a way that

  • It will not get spoiled/deteriorated when the wires are bent & twisted as required during the finishing operations
  • It will not get dull or lose any information from any damage.
  • It will last for at least three years of its use in field.
  • It should also enable us to identify counterfeit products. 



Key Success Criteria
  • It should be able to print at the speeds, quantity and wire sizes mentioned above
  • Cost Constraint – The cost of the whole set up should not exceed $16000
  • It should be customizable  


Preferred Collaboration types
  • To Be Negotiated
Items to be submitted

We are looking for a concise abstract/executive summary.  The proposal should briefly describe the technical approach and provide information on technology performance, background and description of the responding team and their related experience.

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Point of Contact
Oliver Worsfold
Area of Interest
  • Chemical Manufacturing
  • Computer Software
  • Electronics & Electronic Components
  • Family & Consumer Products & Services
  • Manufacturing & Fabrication
  • Materials Processing
Tata Steel
Due Date
March 7, 2017
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