Finguard
High-Performance Coating for HVAC Coils & Heat Exchangers
FINGUARD is a single-pack, water-based, sustainable high-performance coating formulated using patented Grafted Co-Polymer Technology.
It is specifically engineered for HVAC coils, fins, condensers, and radiator systems to deliver superior corrosion protection without compromising heat transfer efficiency.
Key Features & Benefits
Excellent corrosion resistance
Quick drying performance
Superior heat transfer efficiency
Excellent resistance to acids (up to 20%)
Excellent resistance to alkalis (up to 20%)
Resistance to corrosive gases
Outstanding outdoor durability and stability
Environmentally responsible water-based formulation
Recommended Usage
It is recommended for:
Ferrous and non-ferrous HVAC coils
Aluminium fins
Copper coils
Condenser tubes and fins
Radiator systems
The coating provides effective protection against:
Moisture
Industrial pollutants
Chemical exposure
Condensate formation
Aggressive operating environments
Additionally, it delivers a uniform and aesthetically pleasing finish.
Film Thickness & Coverage
Recommended Dry Film Thickness (DFT):
10–15 microns per coat
Recommended system: 2 coatsTheoretical Coverage:
Approximately 8 m² per kg per coat
(Coverage may vary depending on surface profile and application method.)
Surface Preparation
| Parameter | Requirement |
|---|---|
| Surface Cleanliness | Surface must be clean and dry |
| Contaminant Removal | Free from oil, grease, dust, and other contaminants |
| Standard Reference | Surface preparation to be carried out as per ISO 8504 |
Surface Conditions for Application
| Parameter | Requirement |
|---|---|
| Substrate Temperature | Minimum 3°C above dew point of ambient air temperature |
| Relative Humidity | Maximum 80% (measured near substrate surface) |
Performance Properties
| Sr. No. | Test Description | Standard | Result |
|---|---|---|---|
| 1 | Scratch Hardness (3.5 kg) | ASTM D7027 | No exposure of metal substrate (Pass) |
| 2 | Conical Mandrel (4 mm) | ASTM D522 | No film cracking or crazing |
| 3 | Adhesion | ASTM D3359 | No peel-off |
| 4 | Salt Spray Resistance – 1000 hrs (at 30 µm DFT) | ASTM B117 | No surface deterioration or corrosion |
| 5 | Thermal Stability at 200°C for 24 hrs | ASTM D2243 | No effect on coating surface |
| 6 | SO₂ Moisture Resistance | ASTM G87 | No effect on coating surface |
Application Method
| Parameter | Details |
|---|---|
| Application Equipment | Air-assisted spray equipment recommended |
| Purpose | Ensures uniform coating thickness and optimal performance |
Application Data
| Parameter | Details |
|---|---|
| Mixing Ratio | Single-pack system – No mixing required |
| Pot Life | Not applicable |
| Reusability | Material can be reused if container is properly sealed and stored within shelf life |
Drying Time
General Information
| Parameter | Details |
|---|---|
| Influencing Factors | Air circulation, substrate temperature, film thickness, number of coats |
| Minimum Recoat Time | 30 minutes |
| Hard Dry | 24 hours |
| Full Cure | Minimum 24 hours for full performance properties |
Typical Drying Times (Well-Ventilated Conditions)
| Substrate Temperature | Surface Dry (Dry to Handle) |
|---|---|
| -10°C | 30 minutes |
| 0°C | 25 minutes |
| 10°C | 20 minutes |
| 23°C | 15 minutes |
| 40°C | 10 minutes |
Typical Paint System
| Product | System Specification |
|---|---|
| FINGUARD | 2 coats × 10–15 µm Dry Film Thickness (DFT) per coat |
Storage
| Parameter | Requirement |
|---|---|
| Storage Conditions | As per applicable national regulations |
| Environment | Cool, dry, well-ventilated area |
| Safety | Keep away from heat, sparks, and ignition sources |
| Container Handling | Keep containers tightly closed when not in use |
Shelf Life
| Parameter | Details |
|---|---|
| Storage Temperature | Below 25°C |
| Shelf Life | 6 months from date of manufacture (under recommended storage conditions) |
Handling Instructions
| Instruction | Requirement |
|---|---|
| Stirring | Stir thoroughly before use |
| Container Handling | Handle with care |
| After Use | Reseal immediately after use |
| Precaution | Avoid contamination and prolonged air exposure |
Packaging
| Available Pack Sizes |
|---|
| 5 kg plastic pails |
| 10 kg plastic pails |
| 20 kg plastic pails |
Disclaimer :
The information in this Technical Data Sheet is based on laboratory testing and practical experience and is provided to the best of our knowledge.
As product application conditions are beyond our control, no guarantee or warranty, expressed or implied, is provided regarding suitability for a particular purpose, other than the quality of the product supplied.
Users are responsible for determining product suitability for their specific application.
Greenovoc Specialty Coatings Pvt. Ltd. reserves the right to modify specifications without prior notice to meet regulatory or performance requirements.
Featured
Most popular questions
FINGUARD is a single-pack, water-based, high-performance protective coating designed specifically for HVAC coils, fins, condensers, and heat exchangers. It provides superior corrosion protection while maintaining excellent heat transfer efficiency.
FINGUARD is suitable for:
Aluminium fins
Copper coils
Ferrous and non-ferrous metals
Condenser coils
Radiator systems
HVAC heat exchangers
It is designed for use in both indoor and outdoor environments.
No. FINGUARD is engineered to provide corrosion protection without compromising heat transfer efficiency. The recommended thin film thickness (10–15 microns per coat) ensures optimal thermal performance.
FINGUARD protects against:
Corrosion
Moisture and condensate
Industrial pollutants
Chemical exposure (acids and alkalis up to 20%)
Corrosive gases
Salt spray environments
Yes. FINGUARD offers excellent resistance to acids and alkalis (up to 20%), along with resistance to SO₂ moisture exposure and corrosive gases.