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Room temperature curing transparent silazane varnish EK-S01
EK-S01 room temperature curing transparent silazane varnish is suitable for electronic packaging, hydrophobic and easy to clean, wear-resistant, weather-resistant, mildew-proof and salt spray-resistant, outdoor engineering anti-corrosion coating, etc.
EK-S01 Introduction:
EK-S01 product uses polysilazane as a film-forming agent and contains various additives such as diluents, retarders, and leveling agents. It addresses the challenges of room-temperature application and curing, which are often difficult with conventional ceramic coatings.
It boasts a pencil hardness exceeding 7H and exhibits no yellowing. It is suitable for paint protection coatings, voltage-resistant insulation coatings, wear-resistant and fire-retardant coatings, hydrophobic, self-cleaning, and anti-aging coatings for outdoor use, as well as skin-friendly and antibacterial insulation base coatings.
After curing, it forms a covalent bond with the substrate, chemically bonding it and significantly enhancing the coating’s mechanical strength.
Applicable substrates:
Carbon steel, stainless steel, cast iron, aluminum alloy, titanium alloy, high-temperature alloy steel, glass-ceramic panels, ceramics, cement, and other materials.
Applicable temperature:
Suitable for outdoor working conditions with operating temperature below 500℃ and short-term high temperature conditions of 800℃. The temperature resistance of the coating will vary according to the temperature resistance of different substrates, and it is resistant to cold and hot shock (Note: the corresponding products for different substrates will be different).
(Note: Different substrates may have different product specifications).
Product parameters:
| Color and Appearance | Light yellow to colorless transparent liquid |
| Solids Content (120 ± 2°C) | >50% |
| Density (g/mL) | 0.86 ± 0.02 |
| Pencil Hardness | ≥ 7 H |
| Adhesion | Grade 0 |
| Neutral Salt Spray Resistance | >500 hours |
| Hydrophobic Angle | >105° |
| Artificial Aging Resistance | No rust, chalking, cracking, or discoloration after 30 days |
| Dielectric strength (V/mm) | ≥105 |
| Resistance (Ωm) | ≥1013 |
Basic construction parameters：
| Coating Solids Content (%) | >50 |
| Molecular weight | 3500 |
| Theoretical Coating Volume (m²/kg) | 6-8 |
| Dry Film Thickness (µm) | 20-150 |
| Potential Working Time (h) | 4 |
| Diluents | Aromatic hydrocarbons, lipids, ethers, etc. |
| Flash Point (°C) | <22 (Solvent Flash Point) |
| Volatility | Solvents are volatile |
| Light transmittance | >91% |
| Room temperature curing time (h) | >24 |
| Curing time at 180°C(h) | <0.5 |
| Maximum Instantaneous Temperature Resistance (°C) | 800 |
| Recommended Operating Temperature (°C) | -30 to 500 |
| Storage (°C) | 0-30 |
Special Note:
This product is a one-component, self-curing product. Once opened, use the coating within 4 hours.
During extended application periods, tools should be cleaned to prevent caking.
It is recommended to apply the coating in one coat, with a dry film thickness of no more than 50µm. Otherwise, coating performance may be compromised.
Standard Application Procedure：
Surface Cleaning → Roughening → Cleaning and Blowing → EK-S01 Treatment → Curing
Process Description:
1. Roughening: Before coating, polish or sandblast the substrate surface to remove rust, dust, and dirt adhering to the surface. Roughening significantly affects the coating quality. Ideally, Sa2.5 and St3 grades should be free of scale (GB/T 30790.4-2014), so please pay close attention.
2. Cleaning: Use a dedicated cleaning agent or degreasing agent to remove any remaining oil, dust, and other contaminants on the roughened surface.
3. Substrate Drying: Before coating, ensure the substrate surface is dry and clean.
4. Paint Mixing: This product is a single-component product. Filter through a 120-mesh filter as needed.
5. Paint Application: Laboratory spraying with a 1.0-caliber spray gun provides optimal appearance and uniformity. The cured coating exhibits a certain degree of hydrophobicity and oleophobicity, so re-application is not recommended.
6. Curing: After spraying, the surface should be dry for 1 hour, the touch should be dry for more than 2 hours, and the actual drying time should be more than 24 hours. It can also be cured quickly by heating (keeping warm at 180℃ for 20 minutes).
Product Storage:
1. Storage must comply with national regulations. The storage environment should be dry, cool, well-ventilated, and away from heat and ignition sources. The packaging container must be kept tightly closed and carefully stored.
2. The storage temperature should be maintained between 5°C and 30°C. The shelf life is 6 months.
3. Opened but unused paint must be sealed and stored.
4. Mixed but unused paint cannot be recycled and must be disposed of in accordance with local regulations.
5. Products that have exceeded their expiration date may only be used after passing testing.
Disclaimer:
The information provided above is based solely on our knowledge gained through laboratory and practical experience. Product usage is generally beyond our control, so we can only guarantee the quality of the product itself. Products may be modified to comply with local regulations, and we reserve the right to modify this specification without prior notice. Users should consult Quartz Master New Materials for specific guidance on product suitability based on their needs and specific applications.
