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Cool Galv Top Coat
A Cool Galv Top Coat is a finishing coat for the Cool Galv system that requires colourful finishes.
- Additional information
- Description
- Features
- Typical Uses
- Physical Data
- Application Data
- Application Procedure
- Condition of Application
- Surface Preparation
- Performance Data
- Safety Precaution & Clean-Up
- Disclaimer & Limited Warranty
- Need Help?
- Reviews (0)
| Size | |
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| Paints | |
| Colors | |
| Features |
Description
Cool Galv is an advanced in-situ film galvanizing single-pack metallic coating, using ultra-fine atomized zinc dust that is treated with nanotechnology and complies with ASTM D520 type II. Cool-Galv provides 96% zinc content in dry film for long-term corrosion protection of steel thru cathodic protection and anti-rust treatment. The special resin used enable electrochemical bonding between zinc particle and metal surfaces.
COOL GALV TOP COAT is specially formulated based on the epoxy acrylic system to use as a finish coat for the Cool Galv system in case colorful finishing is required.
Features
- Good durability in a wide range of corrosive environments. Complied with ISO12944-6 C5I / C5M High Durability.
- Easy to use – spray, brush, roller
- Excellent adhesion properties to Cool Galv system
- Effective, Reliable, and Cost Saving for assets maintenance.
- Good weatherability.
- Enable two coats duplex system for corrosion and cosmetics purposes.
Typical Uses
As finish coat for Cool Galv system for repair and maintenance of bare metal damaged zinc substrate and hot-dip galvanization. Anti-corrosion primer for steel structures such as internal and external of pipelines, silos, tanks, sheets of corrugated steel, fences, gates, bridges, bolts and nuts, containers, supports/trust, etc for industrial, construction, shipbuilding, and off-shore structures. Protection for welding seams, grating, metal sheets, and areas difficult to paint.
Physical Data
| Colour | : | As specified |
| Flash Point | : | 24 0 C |
| VOC | : | 538g/L |
| Volume solid | : | 45 +/- 2% |
| Gloss | : | Low Gloss |
Shelf Life @ 250C/indoor : 24 months
Typical Thickness: 50 ~ 80µ dried film.
| Drying Time(at Dry Film Thickness 60µ) | Temperature | 100C | 200C | 300C |
| Surface Dry | 45mins | 30mins | 20 mins | |
| Hard Dry | 3 hrs | 1.5 hrs | 1 hrs | |
| Painting interval: | Minimum | 3 hrs | 1.5 hrs | 1 hrs |
| Max. (self) | – | – | – | |
| Theoretical coverage (at DFT 40-80µ) |
0.089~0.178 L/m2 ; 11.2~ 5.6 m2/L | |||
| Service temperature | -60 to 120 0C (dry) | |||
Application Data
Thinner: Hana Cool Galv Diluent
Application Method: airless spray, roller, brush
| Mixing Procedure : | Mix for at least two minutes or until homogeneous. |
| Drying schedule : | Drying by solvent evaporation and moisture curing. Higher film thickness, insufficient ventilation, or lower temperature will require longer drying. Excessive humidity or condensation on the surface can interfere with the drying cause discoloration and may result in a surface haze. |
This product requires the substrate temperature above the dew point ( + 3~5 0 C). Condensation due to substrate temperatures below the dew point can cause flash rust on metal, affecting adhesion.
Application Procedure
Mix properly the paint before use.
- Flush equipment with Cool Galv Diluent or Hana Thinner A before use.
- Mix the paint thoroughly until homogeneous.
- Thin with Cool Galv Diluent or HANA Thinner A only if necessary for workability.
- When applying by conventional spray, use adequate air pressure and volume for proper atomization.
- Apply a wet coat in even parallel passes, overlapping 50% to avoid holidays and pinholes.
- Excessive thickness can prolong drying and sagging.
- Clean up all equipment with thinner immediately after use.
- Keep containers tightly close and store them in a proper storage area.
Condition of Application
Use a brush or roller with a 1/8″ nap. Apply at a sufficient thickness and avoid repeating rolling to have good leveling.
| Temperature | : | Min 5 0 C ; Max 50 0 C | ||
| Humidity | : | Maximum 85 % R.H. | ||
| For Airless spray:- | ||||
| Tip Size | : | Graco 721, 723 or equivalent | ||
| Paint Output pressure | : | 11.7 – 17.7 MPa (g) | ||
| Viscosity | : | 25 ~ 40 sec Ford Cup No 4 | ||
| Thinning | : | 0 – 10 % by volume | ||
Surface Preparation
| General : |
| Surfaces must be clean and dry, and all contaminants like dirt, dust, and oil must be removed by appropriate methods to ensure good adhesion.
|
| Abrasive blast clean: |
| Abrasive blast clean to Sa 2.5 (ISO-8501) or SSPC-SP6. In case of hydro blasting or hydro jetting to remove the existing coating, ginger rust should be removed and blow dry before application. The surface profile must be a minimum of 50 microns.
|
| Shop primed steelwork: |
| The Weld seam and the damaged area should be cleaned to a minimum St3 or SSPC-SP3. The shop-primed steelwork should be repaired for any rust and free from any contaminant with suitable secondary surface preparation such as spot blast, sweeping, or power tooling.
|
| Aged Cool Galv Surface: |
| Remove zinc salt if any and any other contaminants prior to paint application.
|
Performance Data
| Properties | Test Method | Evaluation |
| Pull off Strength | ASTM D3359-09 | 24/25, 5A |
| Salt Spray ( 5% NaCl solution) | ASTM B117 | 1000hrs passed C4 & above as the system |
| Humidity (50 0C, 100% RH) | ASTM D1748 | 100hrs, passed C4 & above as a system |
- As top coat on Cool Galv system
Safety Precaution & Clean-Up
|
Safety : |
Read and follow the material safety data sheet (MSDS) before use. Employ normal safety precautions. Put on necessary personal protection equipment when handling and using this product. |
| Ventilation : | when working in a confined workplace, thorough air ventilation must be used during and after application until the coating is cured. The ventilation system should be effective to prevent solvent vapor concentration from reaching a lower explosion limit for the product and to ensure exposure limit to the personnel is below the permissible exposure limit. |
| Caution : | All electrical equipment and installations should be made and properly grounded. In areas where explosion hazards exist, workmen should be used non-ferrous tools and conductive and non-sparkling shoes. |
| Clean-up : | Use Hana Paint polyurethane thinner (Hana Thinner U) or hydrocarbon solvent for cleaning. Observe safety precautions when using the solvents. In case of spillage, absorb and dispose of the material and used container according to local required regulations or through a licensed waste collector. |
Disclaimer & Limited Warranty
Disclaimer
Data, specifications, directions, and recommendations given in this data sheet represent test results or experience obtained under controlled or specially defined circumstances. Their accuracy, completeness, or appropriateness under the actual conditions of any intended use is not guaranteed and must be determined by the user. The products are delivered and any technical assistance is given subject to our GENERAL CONDITIONS OF SALE, DELIVERY, AND SERVICE and, unless otherwise expressly agreed in writing, manufacturer and seller assume no liability in excess of that stated therein for results obtained, injury, direct or consequential damage incurred from the use as recommended above or otherwise.
Limited Warranty
Whilst we endeavor to ensure that all advice we give about this product is correct and manufactured according to the standard quality control system, however, we have no control over either the quality or condition of the substrate or many other factors affecting the use and application of the product. Therefore, unless we specifically agree in writing to do so, we do not accept any liability whatsoever or howsoever arising for the performance of the product or for any loss or damage arising out of the use of this product.
Need Help?
Send Us An Email
Contact us at info@awatrahana.com or call us at +60143989049 for questions related to this products or send us a form via the contact form below.
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