We are having a cracking issue with our Electrodag 550 Nickel EMI Shielding on PETG material. Does anyone know a cause? We spray the Nickel on other material and do not have any problems but, when we spray on the PETG, cracking begins to appear a few days later. It does not look like an adhesion problem. The nickel coating simply cracks. We have not been able to come up with a solution or answer. Please help.
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