In the case of a punctured RRIM plastic panel, who is correct about the need for a backing patch?

In the context of repairing a punctured Reinforced Reaction Injection Molded (RRIM) plastic panel, having a backing patch is essential for ensuring structural integrity and durability of the repair. A backing patch provides support to the damaged area, helping to distribute stress and prevent further damage or failure of the panel. This is particularly important for materials like RRIM, which can be more flexible and susceptible to cracking or breaking if not properly supported during and after the repair process.

Technician A emphasizes the necessity of a backing patch, which aligns with industry standards for effective repair techniques in non-structural analysis. This demonstrates an understanding of the repair method that enhances strength and stability. A backing patch can also help create a better bond for the adhesive or repair material being used, ensuring that the repair adheres as intended.

On the other hand, if Technician B argues against the need for a backing patch or suggests that it is unnecessary, this would not reflect the best practices in repairing RRIM panel damage. The application of a backing patch is a common method to reinforce repairs in plastic panels, making Technician A's stance the more accurate and protective choice for ensuring the longevity of the repair.