Audited Supplier
SPUA-351
ISO, CE
PU
Roofing and Waterproofing
Liquid
1.5mm
Spray Painted
Waterproof
Outdoor
yuhong
barrel
ASTM
China
32089010
Product Description
Two components spray-up elastic coating applied in complicated weather. Component A is a half prepolymer through the reaction between hydroxyl terminal compounds and isocyanate. Component B is a mixture consisting of amino terminal resign and amino terminal chain extender, not including hydroxy acrylic resin and activator.
Where to use:
Railway girder concrete bridge surface;
All constructions and water conservancy projects;
Chemical vessels;
Cabins and floors of ships;
Water resistance and corrosion resistance of decks and channels;
Grades with wear resistant, impact resistant and skid resistant functions;
Large area and unnormal waterproof projects.
Advantages:
Fast curing on any surfaces, slopes and vertical planes without sagging;
Excellent bonding functions with all materials, including cements, steel plates and wood plates;
Excellent sealing quality, water resistance and penetration resistance;
Resistance to long-term acid, alkali and salt erosion;
Good thermal stability: It can be used below 100° C for a long time;
Good flexibility and mechanical properties, even in -40° C
Excellent tensile strength and elongation;.
Excellent cracks deformation resistance;.
Wear resistance and impact resistance..
| Item | Requirements | |||
| Solid content, % ≥ | 98 | |||
| Gel time, s ≤ | 45 | |||
| Surface drying time, s ≤ | 120 | |||
| Tensile strength, MPa ≥ | 16.0 | |||
| Elongation at break, % ≥ | 400 | |||
| Tear strength, N/mm ≥ | 60 | |||
| Fold ability at low temperature, C ≤ | -40 | |||
| Water tightness, 0.4MPa × 2h | Pass | |||
| Thermal tensile ratio, % | Elongation ≤ | 1.0 | ||
| Shrinkage ≤ | 1.0 | |||
| Water absorptivity, % ≤ | 5.0 | |||
| Bonding strength on substrate, MPa | Dry surface ≥ | 2.5 | ||
| Wet surface ≥ | 2.5 | |||
| Peel strength on substrate, N/mm ≥ | 6.0 | |||
| Hardness, Shore A ≥ | 90 | |||
| Resistance to impact, 100 cm | No cracking, wrinkle and flaking | |||
| Wear resistance, (Akron machine) cm 3, 1.61 km ≤ | 0.50 | |||
| Thermal treatment | Tensile strength retention rate , % | 80-150 | ||
| Elongation at break, % ≥ | 90% Retention rate | |||
| Fold ability at low temperature, C ≤ | -40 | |||
| Alkali treatment | Tensile strength retention rate , % | 80-150 | ||
| Elongation at break, % ≥ | 90% Retention rate | |||
| Fold ability at low temperature, C ≤ | -40 | |||
| Acid treatment | Tensile strength retention rate , % | 80-150 | ||
| Elongation at break, % ≥ | 90% Retention rate | |||
| Fold ability at low temperature, C ≤ | -40 | |||
| Salt treatment | Tensile strength retention rate , % | 80-150 | ||
| Elongation at break, % ≥ | 90% Retention rate | |||
| Fold ability at low temperature, C ≤ | -40 | |||
| Oil treatment | Tensile strength retention rate , % | 80-150 | ||
| Elongation at break, % ≥ | 90% Retention rate | |||
| UV aging, 1500 h | Tensile strength retention rate , % | 80-150 | ||
| Elongation at break, % ≥ | 80% Retention rate | |||
| Fold ability at low temperature, C ≤ | -40 | |||
| Alkali resistance, saturated Ca(OH)2 solution, 500 h | No grooving, blistering and peeling | |||
| Time for heavy goods vehicles | 0.6 MPa ground pressure in 24 hours | |||
