... grinding, chamfering edges3. Finland TAMGLASS furnace ensures tempered glass quality4. Tolerance: Within 1mm per 2000mm5. Deflection rate ... 10mm, 12mm, 15mm, 19mm etcHeat strengthened: 3mm, 4mm, 5mm, 6mm, 8mm, and 10mm Tempered glass technology1. Clear toughened glass is ... produced by heating annealed glass to its softening point ...