Definition
A brand of ultra-fine abrasive product used in aircraft maintenance to polish transparent plastics, particularly acrylic windshields and cabin windows, by progressively removing scratches and surface haze using a series of cushioned abrasive cloths or pads of decreasing grit size.
Plain English
A set of very fine sanding cloths used to polish out scratches and cloudiness from aircraft windows, working from coarser to finer grades until the surface is clear again.
Context Anchor
Seen in aircraft maintenance when repairing or polishing plastic windshields, windows, lenses, or other smooth surfaces.
Derivation
The name combines micro (very small) and mesh (the woven backing the abrasive grit is bonded to). The 'micro' signals how fine the abrasive particles are compared to standard sandpaper.
Why Pilots Care
Scratched or hazy windshields reduce visibility and can cause glare, especially when flying toward the sun. Knowing that minor scratches can be polished out with Micro-Mesh rather than requiring a full window replacement saves significant cost and downtime.
Analogy
Think of it as extra-fine sandpaper on a soft backing, used in several finer and finer steps until the surface becomes clear and smooth again.
Intuition Check
Micro-Mesh is not wire mesh or a screen. In this maintenance context, it is a fine abrasive polishing material.
Example Sentence 1
The technician used Micro-Mesh pads in sequence to polish out the fine scratches on the cabin window.
Example Sentence 2
The final polish on the composite fairing was done with the finest grade of Micro-Mesh for an even surface.