TABLE 3.
Fire-resistant properties of fireproof glass (China National Standardization Administration Committee 2009b).
| Classification name | Fire resistance limit grade (h) | Fire-resistant performance requirements |
|---|---|---|
| Heat-insulating fireproof glass (Class A) | 3.00 | Fire resistance and heat insulation time≥3.00 h , and fire resistance integrity time≥3.00 h |
| 2.00 | Fire resistance and heat insulation time≥2.00 h , and fire resistance integrity time≥2.00 h | |
| 1.50 | Fire resistance and heat insulation time≥1.50 h , and fire resistance integrity time≥1.50 h | |
| 1.00 | Fire resistance and heat insulation time≥1.00 h , and fire resistance integrity time≥1.00 h | |
| 0.50 | Fire resistance and heat insulation time≥0.50 h , and fire resistance integrity time≥0.50 h |