A hard, brittle, non-crystalline material formed by cooling a melt without creating a regular crystal structure. Architectural glass is usually a silica-based composition.
GlassRenu · Educational illustration
Meaning and boundaries
Not every transparent material is glass. Plastics and transparent ceramics have different structures and restoration limits.
Why it matters in glass restoration
Sets the material scope for the knowledge center and prevents advice for plastics, coatings, or crystalline materials from being treated as glass guidance.
Related terms
References
- ASTM International — ASTM C162-23: Standard Terminology of Glass and Glass Products
Publisher’s original source - Office of the Federal Register / CPSC — 16 CFR Part 1201: Safety Standard for Architectural Glazing Materials
Publisher’s original source - Royal Society of Chemistry — Compositions and Properties of Commercial Glasses
Publisher’s original source