100-Year Durability: Slate stones have a known lifespan of 100 years.
Superior Chemical Resistance: Unaffected by atmospheric pollution, sea air, and salt spray.
Fire Resistance: Slate is non-combustible and does not support combustion.
Weather Resistance: Unaffected by normal heating, freezing, and thermal cycles.
Biological Resistance: Resistant to vegetable growth, rot, and insect attacks.
Low Water Permeability: Water permeability is less than 0.3%, making it impermeable.
Free Sample Availability: Free samples can be offered; express fee refunded after order.
Third-Party Inspection: Third-party inspection or direct buyer inspection is accepted.