Unintended transfer of abrasive particles, glass stock, metal, chemicals, residue, fibers, or dirt between tools, stages, surfaces, containers, or work areas.
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Meaning and boundaries
A clean-looking pad or bottle may still contain particles capable of producing scratches or changing slurry behavior.
Why it matters in glass restoration
Coarse particles carried into a finer stage can create new damage and make quality failures appear random.
Related terms
References
- GlassRenu — Before You Begin
Publisher’s original source - NASA — Handbook for Recommended Material Removal Processes for Advanced Ceramic Test Specimens and Components
Publisher’s original source - National Bureau of Standards / NIST — The Science of Ceramic Machining and Surface Finishing II
Publisher’s original source - National Glass Association — Heat-Treated Glass Surfaces Are Different
Publisher’s original source