Shenzhen Hanast New Material co.,LTD
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Fast Cure Potting Compound HN-8808F - 2-3 Hour Initial Set, Accelerate Production
Product Overview for Silicone Potting Compound:
For customers with high production efficiency demands, we offer the HN-8808F Fast-Cure version. It maintains the excellent physical and electrical properties of the HN-8808 series while significantly shortening the cure cycle. A 20-30 minute pot life meets most potting operation needs, achieving a handleable state in just 2-3 hours, allowing products to move quickly to the next process step. This greatly shortens production cycles and improves factory and equipment turnover.
Key Performance Parameters for Silicone Potting Compound:
* Pot Life (25°C): 20-30 minutes
* Initial Cure Time (25°C): 2-3 hours
* Full Cure Time: 12-16 hours
* Mix Ratio (A:B): 10 : 1 (by weight)
* Viscosity (Mixed): 2500-3000 cP
* Hardness (Shore A): 35-45 (GB/T531-1999)
* Thermal Conductivity: 0.5±0.1 W/M·K (GB/T 38712-2020)
* Dielectric Strength: ≥14 kV/mm
* All Other Electrical Properties: Consistent with standard HN-8808 series.
Product Highlights for Silicone Potting Compound:
* Maximized Production Efficiency: Reduces initial cure time by over 50%, significantly speeding up the production line.
* Controllable Workflow: Predictable fast-cure characteristics enable precise production scheduling.
* Performance Not Compromised: Fast curing does not sacrifice protective properties, maintaining excellent insulation, thermal conductivity, and reliability.
* Reduces WIP Inventory: Faster curing reduces work-in-progress pile-up on the line.
* Ideal for Automation: Pairs perfectly with automated potting equipment for high-efficiency, rapid production.
Application Areas for Silicone Potting Compound:
* Mass production of consumer electronics
* High-volume potting of power tool controllers
* Automated production lines for power adapters
* Automotive tier-2 suppliers with strict takt time requirements
Detailed Operating Guide for Silicone Potting Compound:
1. Production Preparation: Due to the shorter pot life, complete all prep work (PCB installation, housing positioning, tool setup) before starting to mix.
2. Precise Metering & Fast Mixing: Strongly recommend using a dual-component meter-mix machine with a static mixer to ensure uniform mixing within the short timeframe.
3. Efficient Degassing Process: Vacuum degassing time can be reduced to 1-2 minutes. For automated lines, consider dynamic degassing systems.
4. Rapid Potting: Dispense the mixed compound quickly to all products. Mix only enough compound for 5-10 minutes of potting at a time.
5. Line Design: The production line should have a defined staging area for initial curing after potting; products can be moved after 2-3 hours.
Key Precautions for Silicone Potting Compound:
* Not Suitable for Manual Work: Not recommended for manual mixing except for very small batches, as material starts reacting during mixing, leading to waste.
* Ambient Temperature Sensitivity: This grade is more sensitive to ambient temperature. Use in a temperature-controlled room (23±2°C) for best results.
* Do Not Heat Cure: Even though it's fast-cure, external heating is still strictly prohibited and will cause product failure.
* Batch Management: Practice "use immediately after mixing"; avoid gelation in pots or equipment.
Packaging & Storage for Silicone Potting Compound:
* Standard Packaging: 22kg/set (20kg A + 2kg B); 11kg/set (10kg A + 1kg B). IBC totes also available for automated lines.
* Storage Conditions: Store in a cool, dry place. Ideal storage temperature: 10-25°C.
* Shelf Life: 6 months in original, unopened containers from date of manufacture.
FAQ for Silicone Potting Compound:
1. Q: Is there a price difference between the fast-cure and standard versions?
A: Due to formulation adjustments, the fast-cure version is slightly higher priced. However, the production efficiency gains and cost savings will far outweigh the small material price difference.
2. Q: Can the pot life be made even shorter?
A: We can customize the cure speed based on your specific equipment and process requirements. Please provide details for our engineers to evaluate.
3. Q: Is the strength after initial cure (2-3 hours) sufficient for vibration testing?
A: It has some mechanical strength after initial cure, allowing gentle handling and testing. For harsh tests like vibration, we recommend testing after 16 hours (full cure).
4. Q: Can you provide process parameter suggestions for our potting machine?
A: Yes. Please tell us your equipment model, and we can provide initial machine setup parameters, including mix pressure, dispense speed, etc.
5. Q: If my product has a complex structure, will the fast-cure type have time to fill?
A: The 20-30 minute pot life is sufficient for most complex structures. For particularly tiny (<0.5mm) or high-aspect-ratio gaps, we can recommend a low-viscosity version of the fast-cure product.