DIMONDS® C1900UV Polyurea Spray Coating with Anti-UV
Introduction
DIMONDS® C1900UV is a two component sprayable polyurea elastomer with anti-UV. This material can be used in a variety of substrates protection at ambient temperature. The system is designed for use through 1:1 spray equipment. It’s 100% solid content, no solvents, no volatile, little or no odor, strictly comply with the VOC limit standard, belongs to environmentally friendly materials.
Physical Properties
|
Item |
Unit |
Component A |
Component B |
|
Appearance |
By visual |
viscous liquid |
viscous liquid |
|
Specific gravity (20℃) |
g/cm3 |
1.02±0.03 |
1.08±0.03 |
|
Viscosity (25℃) |
mPa·s |
650±100 |
800±200 |
|
Shelf life |
months |
6 |
6 |
Proposal of process
|
Item |
Unit |
Specification |
Test Methods |
|
Mix ratio |
By volume |
1:1 (A:B) |
/ |
|
Gel Time |
s |
≤45 |
GB/T 23446-2009 |
|
Surface dry time |
s |
≤120 |
GB/T 23446-2009 |
|
Temperature of material -Part A -Part B |
℃ ℃ |
65-70 65-70 |
/ |
|
Pressure of material -Part A -Part B |
PSI PSI |
2500 2500 |
/ |
Technical Indicators
|
Item |
Unit |
Specification |
Test Methods |
|
Solid content |
% |
≥98 |
GB/T 16777 |
|
Hardness |
Shore A |
≥80 |
GB/T 531.1-2008 |
|
Tensile strength |
MPa |
≥16 |
GB/T 16777-2008 |
|
Elongation at break |
% |
≥450 |
GB/T 16777-2008 |
|
Tear strength |
kN/mm |
≥50 |
GB/T 529-2008 |
|
Impermeability |
/ |
0.4MP, 2h, impervious |
GB/T 16777-2008 |
|
Low temperature bending |
℃ |
≤-40 |
GB/T 16777-2008 |
|
Bonding strength |
MPa |
≥2.5 |
GB/T 16777-2008 |
|
Water absorption |
% |
≤5.0 |
GB/T 23446-2009 |
|
Abrasion resistance |
(750g/500r)mg |
≤30 |
GB/T 1768-2006 |
|
Impact strength |
kg·m |
≥1.0 |
GB/T 20624.2-2006 |
|
Zw-40 UV aging |
Hours |
36 |
/ |
Packaging
210kg /drum for A and 220kg/drum for B.
Storage
Storage ambient temperature: 5 – 35 °C.
The shelf life of the product starts from the date of production and is guaranteed to be in an unopened state.
Make sure the product packaging is sealed.
Store in a cool, ventilated environment, avoid direct sunlight.
