Wide Temperature Silicone Potting Compound Reliable Weather Resistance For Outdoor Power Electronic Mass Production
Product Overview for Silicone Potting Compound:
HN-8808W White Potting Compound is engineered for electronic devices prioritizing aesthetic consistency and long-term performance stability. Its clean pure-white hue enables distinct visual marking to facilitate product model differentiation and quality traceability. Featuring outstanding anti-yellowing capability, the material retains its bright appearance after prolonged service. Meanwhile, it delivers reliable waterproofing, electrical insulation and mechanical protection for internal circuitry. It is widely adopted in consumer electronics, household appliances and premium lighting products.
Key Performance Parameters for Silicone Potting Compound:
| Appearance (Mixed) |
White elastomer |
| Mix Ratio (A:B) |
10 : 1 (by weight) |
| Viscosity (A/B) |
Component A: 2000-2600 cP, Component B: 20-30 cP (GB/2794-1995) |
| Density |
1.42±0.02 g/cm³ (GB/2794-1995) |
| Pot Life (25°C) |
40-60 minutes |
| Cure Time (25°C) |
4-6 hours (tack-free), 24 hours (full cure) |
| Hardness (Shore A) |
30-40 (GB/T531-1999) |
| Volume Resistivity |
≥5.0×10¹⁴ Ω·cm (GB/T 31838.2-2019) |
| Thermal Conductivity |
0.5±0.1 W/M·K (GB/T 38712-2020) |
| Dielectric Strength |
≥14 kV/mm |
Product Highlights for Silicone Potting Compound:
1. Pure White Appearance
Clean white finish elevates product texture and brand presentation.
2. Excellent Anti-Yellowing Performance
Custom formulation delivers strong resistance against UV exposure and thermal oxidative aging for long-term color stability.
3. Convenient Identification & Traceability
The white substrate supports laser marking and label application, streamlining production control and after-sales tracking.
4. High Light Reflectivity
White surface reflects light and heat efficiently, boosting luminous efficiency for LED lighting applications.
5. All-Round Reliable Protection
Maintains robust core performance including waterproofing, electrical insulation and temperature resistance.
Application Areas for Silicone Potting Compound:
1. High-end home appliance control boards (coffee makers, air fryers, etc.)
2. Indoor LED lighting & beauty devices
3. Industrial control modules with color-coding requirements
4. E-bike controllers and chargers
5. Outdoor electronics, taking advantage of reliable weather resistance
Detailed Operating Guide for Silicone Potting Compound:
1. Surface Preparation
Remove dust, grease, mold release agents and other contaminants from all surfaces to avoid impaired adhesion and poor surface appearance.
2. Pre-Use Agitation
Thoroughly stir Part A prior to application to evenly disperse fillers. This vital step guarantees consistent color and stable performance.
3. Precise Weighing
Use an electronic balance to weigh Part A and Part B strictly at a 10:1 weight ratio. Ratio deviation may cause incomplete curing and deterioration of physical properties.
4. Complete Mixing
Mix slowly in a clean vessel for a minimum of 3 minutes. Scrape container walls and bottom continuously until the mixture shows uniform color without streaking.
5. Vacuum Degassing
Degas the blended material under vacuum for 2–4 minutes until no prominent bubbles remain, delivering a smooth, visually appealing surface.
6. Potting & Curing
Pour the compound gradually into assemblies and allow self-leveling. Cure at 25°C. Light handling is permissible after 24 hours; full target performance is achieved after 7 days.
Packaging & Storage for Silicone Potting Compound:
Standard Packaging: 22kg/set (20kg A + 2kg B); 11kg/set (10kg A + 1kg B).
Storage Conditions: Store in a cool, dry place away from direct sunlight.
Shelf Life: 6 months in original, unopened containers from date of manufacture.
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