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APPLICATION FIELDS
- To protect against water and chemical corrosion for high-demand construction projects;
- Where it is difficult to spray Polyurea paint by machine;
- Surfaces that need to be manually applied with Polyurea such as expansion joints, stop joints, etc.
- Effective waterproof coating for roof planting…
- Drainage system, wastewater and waste treatment.
NOTE: Call our technical department for application support or other situations
SPECIFICATIONS
| Density [g/cm³.] @ 25°C | DIN EN ISO 2811-2 / ASTM D-1217 | Component A: 1.3 Component B: 0.99 |
| Tensile strength [MPa.] | ASTM D412 | ≥ 4,5 |
| Elongation at break [%.] | ASTM D412 | ≥ 400 |
| Hardness [Shore A] | ASTM D2240-15 | 70 – 80 |
| Tear strength [N/mm.] | ASTM 624 / TCVN 1597-1:2006 | ≥ 24 |
| Adhesion strength on concrete M30 [MPa.] |
ASTM D4541 | ≥ 1.5 MPa (or ground peeling) |
| Chemical composition base | – | TP A: Polyisocyanate prepolymer TP B: Polyamine |
| Solid content [%.] | DIN EN 827 / ASTM D-2697 | ≥ 90 |
| Taber abrasion resistance / CS17 wheel / 1000mg load / 1000 cycles [mg.] |
– | ≤ 300 |
| Density [g/cm³] | DIN EN ISO 2811-2 / ASTM D-1217 | Component A: 1.05 – 1.13 Component B: 1.05 – 1.06 |
| Hardness [Shore A] | ASTM D2240 | 70 – 80 |
| Flash Point [°C] (in a closed Pensky Martens cup) | – | Component A: ≥ 50 Component B: ≥ 45 |
| Impact Strength [MPa.] @ 1mm thickness | ASTM D2794 | ≥ 2,5 |
| Tensile Strength [MPa.] |
ASTM D412-16
|
≥ 4,5 |
| Elongation [%.] | ≥ 400 | |
| Tear Strength [N/mm.] | ASTM 624 | 24 |
| Adhesion Strength on M30 Concrete or Steel [MPa.] | ASTM D-4541 | ≥ 1,5 (hoặc nhổ tróc nền) |
| Heat Resistance [°C.] | – | -30 đến 130 |
| Crack Bridging Ability [mm.] | BSEN 14891:2017 | ≥ 4 |
ADVANTAGE
• Easy to apply with tools such as brushes, rollers, trowels, etc.
• Completely seamless, without joints;
• Resistant to penetration by large tree roots;
• Excellent crack resistance;
• Excellent adhesion to most types of surfaces – concrete, steel, aluminum, wood, foam, etc.
• Can transfer a variety of substrates in one application;
• Good chemical resistance;
• Good thermal stability; • Good
abrasion and impact resistance; •
Non-reactive;
• Flexible at low temperatures;
• Very low water vapor permeability;
• Odorless;
• Contains no toxic vapors;
• No need for reinforcement in the transition zone;
• Can be used without primer in some applications (especially steel);
COLOR
• Base colour: Blue/grey…
• The manufacturer can supply the product in custom or bespoke colours (mixed to match any RAL number), but this may take additional time and cost.
• Please contact your local distributor for information on product colour availability.
PACK
• 15 kg 1 set: Component A 5kg + Component B 10kg.
• Other sizes can be provided upon request.
INSTRUCTIONS FOR USE
1. Surface preparation
– Concrete
• Concrete and mortar surfaces must be fully cured (over 28 days);
• Check the concrete surface, if there are holes or holes, they must be patched with specialized repair mortar;
• Cracked or seeping areas will be grooved and sealed with sealant;
• Ensure that there is no contamination that affects adhesion, the allowable moisture content of the substrate is below 8%;
– Metal
• All types of dirt and impurities must be completely removed according to the supervisor’s instructions;
• The surface must be completely dry before coating.
2. Apply NEWTECOAT PRIMER primer
• Apply primer at a rate of 0.2~0.3 kg/m2. Can be used by spray, brush or roller.
• Recommended repainting interval is 4 hours at 25°C
3. NEWTECOAT PUA-BRUSH application
– After about 2 hours at 25°C after priming (base paint), prepare a NEWTECOAT PUA-BRUSH paint mixture with a mass ratio of 1:2 according to the exact calculation of the amount applied to each painted area with a minimum thickness of 1.5mm;
* Mixing process
• Stir component B (color component) for about 2~3 minutes. Then pour all component A (light yellow) into the component B tank and continue mixing for at least 3 minutes until the mixture is homogeneous.
– Note: Mix with a spiral paint stirrer at low speed and during the mixing process, the stirring blade should be immersed deep in the mixture to avoid air being drawn in.
• Apply NEWTECOAT PUA-BRUSH immediately after mixing with a specialized trowel onto the surface where the primer has been applied.
• Use a spiked roller to break the surface foam.
• Apply a single layer with the approved rate.
• In case of open-air construction, it is recommended to apply a NEWTECOAT TOPCOAT protective coating. The coating after construction has high aesthetics, very good abrasion resistance, and is durable under all weather conditions. Please refer to the product’s technical documentation
• In case of finishing the surface with mortar or tile adhesive layers, after applying the NEWTECOAT PUA-BRUSH layer for about 30 minutes, sprinkle or spray the surface of the NEWTECOAT PUA-BRUSH layer with completely dry sand, grain size 0.3 – 0.8mm. This helps create a rough surface for good adhesion to the above finishing layers.
* Note
• Only apply in dry, favorable weather conditions, do not apply when it is about to rain.
* Cleaning tools
• Clean construction tools with solvents such as xylene, toluene…;
SAFE
• Solvent-based products are flammable and should be kept away from heat and ignition sources;
• Use only in well-ventilated or well-ventilated areas;
• Wear protective glasses, shoes and gloves during application; • For further information, please contact NEWTEC GROUP
customer service .
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