Research Article
New Chemical Grouting Materials and Rapid Construction Technology for Inclined Shaft Penetrating Drift-Sand Layer in Coal Mine
Table 1
Formula design of epoxy resins.
| Raw material | Mass percentage |
| Epoxy resin | 30∼45% | Unsaturated monocarboxylic acid | 5∼20% | Fire retardant | 10∼20% | Catalyst | 0.15∼0.35% | Polymerization inhibitor | 0.01∼0.09% | Chemical cross-link agent | 30∼45% |
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