Q
does epoxy resin yellow over time
I'm a seasoned industrial engineer with a keen interest in machine learning. Here to share insights on latest industry trends.
Epoxy resin can yellow over time, a process primarily due to UV light exposure. Clear epoxies are most susceptible, as the UV breaks down the chemical bonds in the epoxy, leading to discoloration. The rate of yellowing depends on the epoxy's formulation and the amount of UV light it's exposed to. Some epoxy resins are formulated with UV inhibitors or stabilizers to slow down the yellowing process, but these cannot entirely prevent it. Therefore, for applications where color stability is crucial, choosing an epoxy specifically designed to resist yellowing or using a protective top coat that blocks UV light is advisable.
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