The glass phosphate (phosphate glass) is a glass that is resistant to acid etching glass. (Hydrogen fluoride acid, HF), with its components. Phosphorus oxide (P2O5) 72%, aluminum oxide (Al2O3) 18% and zinc oxide (ZnO) 10%.
Phosphate glass fot (phosphate glass) is a glass with durability against the glass Ltd (hydrofluoric acid, the HF) by มี่ส ingredients, phosphorus oxide. (P2O5) 72%, aluminium oxide (Al2O3) 18% and zinc oxide (ZnO 10%.)