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Exterior Harderner Part C – W8019
Commonly used for water-based wood coatings, it enhances the hardness, durability, and adhesion of the coating, ensuring it adheres firmly to various materials. This hardener typically consists of polyisocyanate compounds, helping to create a high-durability coating film with excellent resistance. Below are the detailed benefits of the Part C water-based hardener:
Applications:
- Increases durability: Enhances the hardness of the coating film, making the surface more resilient and resistant to scratches.
- Weather resistance: Protects the coating from weather effects, including sunlight, humidity, and temperature fluctuations.
- Chemical resistance: Helps the coating resist mild chemicals and corrosive agents, improving the product’s longevity.
Exterior Part C W8019
| Categories | Data |
|---|---|
| Specific Gravity at 27-37°C | 0.93 – 0.99 g/cm³ |
| Solid Content (%) | Not applicable |
| Concentration of pH | 8 – 8.5 |
| Viscosity: at 27-37°C and Air Humidity ≤ 70% | 9 – 12 secs F#4 |
| Binder type | Modified Polysiloxane |
| Using Instruction | Data |
|---|---|
| Using method | Mixing with Biochem’s products according manufacturers instruction |
| Application temperature | 18°C – 50°C |
| Touch-dry Time (27-37°C) | 30 – 45 mins |
| Hard-dry Time (27-37°C) | Approximately 60 mins |
| Shelf life | 12 months |
| Storage in a cool ventilated environment | 5°C – 40°C |
| Controlled Harmful Chemicals | Level |
|---|---|
| Aromatic Hydrocarbon | 0 mg/kg |
| Halogenated Compound | 0 mg/kg |
| Formaldehyde | 0 mg/kg |
| Mercury | 0 mg/kg |
| Lead | 0 mg/kg |
| Cadmium | 0 mg/kg |
| Chromium | 0 mg/kg |
| Total Volatile Organic Content (TVOC) | < 130 g/L |
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