Applications of SILZ-EPPSZ Epoxy Modified Polysilazane
– High-temperature structural bonding
– Bridge and infrastructure adhesive systems
– Weather-resistant and anti-corrosion coatings
– Electrical insulation and heat-resistant components
– Mechanical protection coatings
Technical Data
| Test Item | Specification | Test Method |
| Appearance & Color | Transparent to semi-translucent light white liquid | GB/T 1721-79 |
| Solid Content (120±2℃) | >65% | GB/T 1725-2007 |
| Density (g/mL) | 1.00±0.02 | GB/T 6750-2007 |
| Pencil Hardness | ≥6H | GB/T 6739-2006 |
| Adhesion | Grade 0 | GB/T 9286-1998 |
| Neutral Salt Spray Resistance | >500 h | GB/T 1771-2007 |
| Water Contact Angle | ≥105° | GB/T 26490-2011 |
| Artificial Aging Resistance | 3 d, no rusting, no powdering, no cracking, slight discoloration | GB/T 1865-2009 |
| Dielectric Strength (V/mm) | ≥105 | ASTM D149 |
Application Parameters & Curing Conditions
| Item | Value | Curing Condition | Requirement |
| Theoretical Coverage (m²/kg) | 6–8 | Room Temperature Cure | >24 h |
| Dry Film Thickness (µm) | 20-150 | Heat Cure (180°C) | <0.5 h |
| Pot Life (h) | 3 | Max Instant Temperature (°C) | 500 |
| Diluents | Aromatics, lipids, ethers, etc. | Recommended Service Temp (°C) | -30 to 300 |
| Flash Point(°C) | <22 (solvent flash point) | Storage Temp (°C) | 0–30 |
Special Notes:
This product is a single-component curing product. Use within 3 hours of opening. For longer application intervals, clean application tools thoroughly to prevent adhesion. It is recommended to apply in one coat, with a dry film thickness not exceeding 150µm; otherwise, coating performance will decrease.
Standard Application Procedure: Surface Cleaning → Roughening → Cleaning and Blowing → SILZ-EPPSZ Treatment → Curing
Instruction Manual
- Roughening: Before coating, grind or sandblast the substrate surface to remove rust, dust, dirt, etc. Roughening significantly affects the adhesive layer effect; optimal Sa2.5, minimum St3 grade (no oxide scale) (GB/T 30790.4-2014), so please pay close attention.
- Cleaning: Use a dedicated cleaner or degreaser to remove residual oil, dust, etc., from the roughened surface.
- Substrate Drying: Ensure the substrate surface is dry and clean before coating.
- Adhesive Filtration: This product is a single-component product. Take an appropriate amount and filter through a 120-mesh sieve as needed.
- Adhesive Coating and Bonding: Apply the adhesive to the surfaces of the workpieces to be bonded and fix it in place. After surface curing, the adhesive layer has certain hydrophobic and oleophobic properties.
- Curing: After application, surface drying takes more than 2 hours at room temperature and complete drying takes more than 24 hours. Alternatively, it can be cured at 180℃ for half an hour.
Storage & Transportation
- Store in a dry, cool, and well-ventilated environment away from heat and ignition sources.
Storage temperature: 5–30℃. Shelf life: 12 months.
3. Seal containers tightly after use.
4. Unused mixed material must not be recycled and should be disposed of according to local regulations.
5. Expired products may be used only after passing inspection.
Disclaimer
The information provided is based on laboratory tests and practical experience. As application conditions are beyond our control, the data does not constitute a guarantee of product performance. Specifications may be adjusted to comply with local regulations without prior notice. Users should consult technical support for specific application guidance.
Packaging
In 1kg, 2kg, 5kg, 25kg pail.
