Complaint
Two Component Pure Polyurea Spray Waterproof Coating
DmcCoat 1900N is two-component polyurea spray type combination, which is used in a variety of base material protection. 100% solid content, no solvents, no volatile, little or no odor, strictly comply with the VOC limit standard, belongs to the environmentally friendly materials.
Physical Properties
| Item | Unit | A- Polyether component | B- Isocyanate component |
| Appearance | viscous liquid | viscous liquid | |
| Density (20ºC) | g/cm3 | 1.03±0.03 | 1.08±0.03 |
| Dynamic Viscosity (25ºC) | mPa·s | 800± 200 | 800± 200 |
| shelf life | month | 6 | 6 |
| Storage Temperature | ºC | 20-30 | 20-30 |
| Items | Unit | Value | Test Methods |
| Mix ratio | By volume | 1:1.0(A:B) | |
| GT | s | 5- 10 | GB/T 23446 |
| Surface dry time | s | 15-20 | |
| Temperature of material -part A -part B | ºC ºC | 70-80 70-80 | |
| Pressure of material - Part A - Part B | bar bar | 110- 120 110- 120 |
| Items | DmcCoat1900N | Unit | Test Methods |
| Hardness | 95 | Shore A | GB/T 531.1 |
| Tensile Strength | ≥ 18 | MPa | GB/T 16777 |
| Elongation at break | ≥ 500 | % | |
| Tear strength | ≥80 | N/mm | GB/T 529 |
| Impervious | 0.4MP, 2h | GB/T 16777 | |
| Bibulous rate | ≤5 | % | GB/T 23446 |
| solid content | 100 | % | GB/T 16777 |
| Bonding Strength, dry base material | ≥3 | MPa |
200kg /drum for A and 220kg/drum for B, 4 drums per pallet.
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