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Sidewall decorated board for tunnel
| Description | Sidewall decorated board for tunnel |
| Raw Materials | fiber, cement, quartz sand, additive |
| Standard Size | 1220mm×2440mm |
| Thickness | 8mm |
| Folding strength(dry basis) | ≥22Mpa |
| Density | ≥1.6 |
| Water absorption rate | ≤28 |
| Water Absorption | ≤40 |
| Water impermeability | no presentation of bead |
| Water swelling rate | ≤0.25% |
| Burning performance | incombustibility prior to decoration; grade A2 -ZA1 after decoration |
| Fume generation test | reaches grade A2 -ZA1 |
| Acid and alkaline resistance | No cracking, aliquation, dropout, swell and color change |
| Pencil hardness | ≥4H |
| Performance of scrubbing resistance | ≥10000 times |
| Salt mist corrosion resistance | ≥30h |
| Fluorine concentration of Fluor-Carbon Painting | ≥18% |
| Diffuse reflectance coefficient of decorated surface | ≤70% |
| Freeze thawing resistance periodicity | ≥25 times |
| wind pressure resistance | positive pressure 3000pa,negative pressure 2000pa |
| Packing | Wooden pallet |
| Trade Terms | FOB SHANGHAI, CNF, CIF,CFR |
| Payment | T/T, L/C at sight |
| Leadtime | 15days after receipt of the T/T deposit or L/C. |
| Main Characteristic | 1.Excellent Fire proof and heat insulation performance |
| 2.Excellent moisture-proof performance | |
| 3.Good heat and sound insulation | |
| 4.Corrosion proof and moth proof | |
| 5.Light weight and sound insulation | |
| 6.Easy for construction | |
| 7.Stable dimensions | |
| 8.Durability and long service life ect | |
| 9.Eco-friendly |
Sidewall decorated board for tunnel