The product complies with GB / T4100-2015 "Ceramic Tiles" Appendix G: dry pressed ceramic tiles E≤0.5% B l a and GB 6566-2010 "Limits of Radionuclides for Building Materials".
Surface hardness of light-emitting layer: ≥Mohs 5
Low temperature resistance: ≤-40 oC
High temperature resistance: ≥180 oC
Breaking strength: ≥5000N
Impact resistance: ≥0.84
Abrasion resistance: ≥3 grade / 1500 revolutions
Pollution resistance: ≥5 grade
Freezing resistance: no cracks and peeling
Thermal shock resistance: no cracks and peeling
Wet expansion: ≤0.02mm / m
Linear thermal expansion coefficient: ≤6.2 × 10-6oC-1
Fracture modulus: average and maximum ≥43MPa
Chemical resistance: GA grade
Radioactivity: Meets Class A requirements
Self-luminous brightness: The product's excitation stops for 10 hours, and the afterglow intensity is ≥60mcd / m2.