Onyx

Mohs Hardness: 3.0 – 4.0 Slab Size: 2400up × 1200up mm / Customizable Available Finishes: Polished / Honed (Polished is standard for maximum transparency.) Light Transmittance: 20% – 65% Thickness Options: 16mm / 18mm / 20mm (Custom thickness (e.g., 30mm) available upon request.) Water Absorption: 0.1% – 0.3% Protection Grade: Sealing Required (Grade A)--Mandatory anti-fouling and acid-resistant treatment.