Polyurea Coatings for Waterproof Sealant Product Series
DSPU-601
INTRODUCTION
DSPU-601 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 | Polyether component | Isocyanate component |
| Appearance | viscous liquid | viscous liquid | |
| Density（20℃） | g/cm3 | 1.02±0.03 | 1.08±0.03 |
| Dynamic Viscosity（25℃） | mPa·s | 650±100 | 800±200 |
| shelf life | month | 6 | 6 |
| Storage Temperature | ℃ | 20-30 | 20-30 |
PRODUCT PACKAGING
200kg /drum
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.
PACKAGING
DTPU-401 is sealed in 20kg or 22.5kg pails and transported in wooden cases.
POTENTIAL HAZARDS
Part B (isocyanates) stimulate the eye, respiratory and skin through breathing and skin contact, and possibly sensitization.
When contact part B ( isocyanates), necessary preventive measures 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(A:B) | |
| GT | s | 5-10 | GB/T 23446 |
| Surface dry time | s | 15-25 | |
| Temperature of material
-part A -part B |
℃ | 65-70 | |
| Pressure of material
-Part A -Part B |
PSI | 2500 |
PHYSICAL PROPERTIES OF FINISHED PRODUCT
| DSPU-601 | Unit | Test Methods | |
| Hardness | ≥80 | Shore A | GB/T 531.1 |
| Tensile Strength | ≥16 | MPa | GB/T 16777 |
| Elongation at break | ≥450 | % | |
| Tear strength | ≥50 | N/mm | GB/T 529 |
| impervious | ℃ | GB/T 16777 | |
| Bibulous rate | ≤5 | % | GB/T 23446 |
| solid content | 100 | % | GB/T 16777 |
| Adhesive strength, dry base material | ≥2 | 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.
