HONG YE SILICONE Electronic Potting Silicone is a professional-grade Silicone Potting Compound designed for outdoor LED displays, a core Silicone raw material with high transparency and excellent weather resistance. As a high-performance Electronic Encapsulation Adhesive, it is a two-component addition-curing liquid silicone with 1:1 weight ratio, non-toxic and solvent-free. It features 95% transmittance (450nm), superior UV resistance, wide temperature adaptability (-50℃ to 250℃), fully complying with international standards, protecting outdoor LED display components and ensuring clear display and long service life, meeting global outdoor LED manufacturer demands.
Product Overview
Our Electronic Potting Silicone is specially developed for outdoor LED displays, also called transparent electronic glue or LED encapsulation silicone, used to encapsulate high-power LEDs, SMD LEDs and fill lenses. As a professional supplier of High transparency mold silicone and Thermally Conductive Potting Compound, we provide a reliable alternative to traditional Epoxy Potting Resin. This formula (model HY-9320 as reference) is tailored for outdoor scenarios—high透光率, good fluidity, fast deep curing, and excellent UV/weather resistance, solving outdoor LED display aging and dimming issues. Technical Specifications
This is a two-component transparent addition-curing electronic potting silicone (model HY-9320 as reference), with customizable parameters. Key properties:
- State before curing: Colorless transparent liquid; Mixing ratio (A:B): 1:1 by weight
- Viscosity (A/B): 500±100 mPa·s; Hardness after curing: 20±3 Shore A
- Optical performance: Refractive index 1.41; Transmittance (450nm, 2mm): 95%
- Insulation & Thermal performance: Volume resistance 1.0×1015 Ω·cm; CTE: 280 ppm/℃
- Temperature adaptability: -50℃ to 250℃ for long-term use; Excellent UV and weather resistance
- Customizable: Hardness, viscosity and operating time can be adjusted as needed
Product Features & Advantages
- Ultra-High Transparency: 95% transmittance (450nm) and refractive index 1.41, ensuring clear, bright LED display effect without light loss or dimming.
- Excellent UV & Weather Resistance: Superior anti-UV aging performance, resisting outdoor sun exposure, rain and temperature changes, avoiding yellowing and performance degradation.
- Addition-Curing & Environmentally Friendly: Solvent-free, non-toxic and pollution-free, complying with international environmental standards, safe for production and use.
- Good Fluidity & Fast Curing: Easy to pour into tiny gaps and LED lenses, fast deep curing, suitable for mass production of outdoor LED displays.
- Wide Temperature Adaptability: Stable operation from -50℃ to 250℃, adapting to extreme outdoor temperatures, ensuring no cracking or damage.
- Strong Insulation: High volume resistance, effectively protecting LED chips and circuits, avoiding short circuits and ensuring safe operation.
How to Use (Step-by-Step)
- Pre-Mix Preparation: Mix Component A and Component B in a dry container at 1:1 weight ratio, stir evenly, then stand for defoaming or vacuum defoam to remove air bubbles.
- Component Preparation: Clean the LED chips, lenses or circuits to be encapsulated, dry them thoroughly to ensure no moisture (critical for curing and performance).
- Potting Operation: Pour the mixed silicone into the LED components, ensuring full infiltration of the chips and lenses.
- Curing Process: Place the encapsulated components in an oven for curing; adjust temperature to change curing speed, ensuring full curing for optimal protection.
Application Scenarios
This Electronic Potting Silicone is specifically designed for outdoor LED displays, including outdoor LED billboards, LED display screens, LED wall panels and outdoor LED modules. It is ideal for encapsulating high-power LEDs, SMD LEDs and filling lenses, ensuring clear display and long service life. For purchasers, it improves outdoor LED display durability, reduces yellowing and failure rates, extends service life, lowers maintenance costs, and boosts competitiveness in the global outdoor LED market.
Customization Options
We provide full customization for outdoor LED display requirements:
- Adjust curing hardness, viscosity and operating time to match different LED display components and production processes.
- Optimize transmittance and UV resistance for extreme outdoor environments (e.g., strong sun exposure).
- Provide formulas beyond HY-9320 to meet specific technical needs (e.g., higher transmittance).
- Support OEM & ODM services and flexible packaging specifications to meet mass production needs.
Certifications & Compliance
Our Electronic Potting Silicone meets international electronic and outdoor LED industry standards, holding ISO 9001, CE, RoHS certifications. It is solvent-free, non-toxic, environmentally friendly and non-hazardous, with stable batch performance, widely trusted by global outdoor LED display manufacturers and suppliers.
FAQ
Q: Will this silicone yellow after long-term outdoor use?
A: No. It has excellent UV resistance, resisting sun exposure and outdoor weathering, ensuring no yellowing and maintaining high transparency for long-term use.
Q: What substances should be avoided to prevent curing failure?
A: Avoid contact with oxygen, phosphorus, sulfur, acetylenic compounds, peroxides, and lead, tin, cadmium metal compounds, which will affect curing.
Q: What is the shelf life of this potting silicone?
A: Seal and store in a cool, dry place, shelf life is 12 months. It is non-hazardous and can be transported as general chemicals.
Q: Is it suitable for high-power outdoor LED encapsulation?
A: Yes. It has good thermal adaptability (-50℃ to 250℃) and insulation, perfectly suitable for high-power outdoor LED encapsulation, ensuring stable operation.
Shenzhen Hong Ye Jie Technology Co., Ltd
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