DmcCoat 1900 Pure Spray Polyurea Systems for Coating
Pure Polyurea Systems for Spray Coating ( DmcCoat 1900)
Product Introduction
DmcCoat 1900 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（20℃） |
g/cm3 |
1.03±0.03 | 1.08±0.03 |
| Dynamic Viscosity（25℃） |
mPa·s |
800±200 | 800±200 |
| shelf life |
month |
6 | 6 |
| Storage Temperature | ℃ | 20-30 | 20-30 |
Product packaging
200kg /drum for A and 220kg/drum for B, 4 drums per pallet.
Storage
B component(isocyanate) is moisture sensitive. Unused raw materials should be stored in a sealed drum, avoid moisture intrusion .A component (polyether) should stir well before use.
Potential Hazards
Part B (isocyanates) stimulate the eye, respiratory and skin through breathing and skin contact ,and possibly sensitization.
When contact part B ( isocyanates), necessarypreventivemeasures should be taken according to material safety date sheet (MSDS).
Waste disposal
With reference to the material safety date sheet (MSDS) of the product, or deal with it in accordance with local laws and regulations.
Proposal of process
| 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 |
℃ |
70-80 |
|
| -part B | ℃ | 70-80 | |
| Pressure of material | |||
| -Part A | bar | 110-120 | |
| -Part B | bar | 110-120 |
Physical Properties of Finished Product
| DmcCoat1900 | Unit | Test Methods | |
| Hardness | 95 | Shore A | GB/T 531.1 |
| Tensile Strength | ≥18 | MPa |
GB/T 16777 |
| Elongation at break | ≥500 | % | |
| Tear strength | ≥70 | 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 |
The data provided above are typical value, which are tested by our company. For our company’s products,
the data included in the law do not have any constraints.