Product Summary
HONG YE SILICONE’s Liquid Foamed Silicone is a high dielectric strength 2-component Addition Curing Silicone, featuring excellent insulation performance (dielectric strength ≥25 kV/mm), low dielectric loss, no electrical breakdown, suitable for high-voltage insulation, electronic insulation and high-voltage equipment scenarios. It has fine uniform closed-cell pores, -65℃-200℃ temperature resistance, 1:1 easy operation, passed SGS dielectric strength certification, compatible with Electronic Potting Compound and high-temperature insulation silicone, serving B2B buyers in electronic, power and high-voltage equipment industries.
Product Overview
HONG YE SILICONE’s Liquid Foamed Silicone (Foaming Silicone Rubber, Silicone Foam ) is a high dielectric strength high insulation core product, specially developed for high-voltage insulation, electronic insulation and high-voltage equipment environments. As a 2-component addition curing silicone, it is formed by chemical foaming of flowable Part A and Part B, formulated with high-insulation fillers and dielectric stabilizers, featuring ultra-high dielectric strength, low dielectric loss, fine uniform closed-cell structure, good elasticity and insulation stability. It has a dielectric strength of ≥25 kV/mm, low dielectric loss (tanδ ≤0.002 at 1MHz), no electrical breakdown, effectively preventing electrical leakage, solving the problem of traditional foaming materials’ poor insulation in high-voltage scenarios. Compatible with most of our electronic and power products, it is ideal for high-voltage insulation components, insulation buffers and high-voltage equipment scenarios.
Technical Specifications
Type: 2-component addition curing silicone
High Dielectric Strength & Insulation: Dielectric strength ≥25 kV/mm, low dielectric loss (tanδ ≤0.002 at 1MHz), insulation resistance ≥10¹² Ω·cm, no electrical breakdown, insulation stability ≥95%
Foaming Feature: Fine uniform closed-cell pores (20-40μm), high-insulation structure, dense pore distribution, no electrical leakage, structural integrity under high voltage
Temperature Range: -65℃ to 200℃ (long-term use)
Mixing Ratio: 1:1 (Part A:Part B, by weight)
Cure Method: Room-temperature or heated (80℃, 1h) vulcanization
Certifications: SGS eco-toxicity, RoHS, SGS dielectric strength certification
Key Traits: High dielectric strength, high insulation, dielectric strength ≥25 kV/mm, low dielectric loss
Packaging: Part A (20/25/200KG/barrel), Part B (20/25/200KG/barrel)
Product Features & Advantages
1. Excellent High Dielectric Strength: Dielectric strength ≥25 kV/mm, strong insulation performance, solving the problem of traditional foaming materials’ poor insulation in high-voltage scenarios.
2. Low Dielectric Loss: tanδ ≤0.002 at 1MHz, no energy loss, ensuring stable insulation performance in high-voltage and high-frequency environments.
3. Insulation & Elasticity Balance: While maintaining ultra-high dielectric strength, it retains good elasticity and structural stability, no brittle fracture, balancing insulation performance and usability.
4. Compatibility with Insulation Products: Compatible with HONG YE SILICONE’s electronic Potting Compound and high-temperature insulation silicone, forming a complete high-voltage insulation solution, enabling one-stop procurement. 5. Easy Operation: 1:1 simple mixing ratio, good flowability, easy to process into high-voltage insulation components, no professional insulation operation skills required, improving production efficiency.
How to Use
1. Take Part A and Part B according to 1:1 weight ratio, stir separately in a clean, dust-free environment to eliminate sediment, ensure no impurities (avoid affecting dielectric strength and insulation).
2. Mix and stir thoroughly for 3 minutes until homogeneous, vacuum degas to remove air bubbles (ensure insulation uniformity and closed-cell structure).
3. Pour the mixture into high-voltage insulation component mold (paired with electronic potting compound), foam and cure at room temperature or by heating (heating helps enhance insulation performance).
4. After full curing, the product has excellent insulation performance, ready for use in high-voltage and electronic insulation scenarios.
Application Scenarios
Focus on high-voltage insulation scenarios: High-voltage equipment insulation buffers (paired with high-temperature insulation silicone), electronic insulation components (paired with electronic potting compound), high-frequency insulation parts (paired with high-precision Mold Silicone ), high-voltage packaging (paired with Liquid Tank Silicone), and power equipment insulation parts (paired with Industrial mold silicone rubber). It helps power and electronic buyers ensure safe operation of high-voltage equipment and prevent electrical leakage.
Certifications and Compliance
Passed SGS eco-toxicity certification, RoHS compliant, SGS dielectric strength certification, excellent high dielectric strength and insulation performance, meeting the high-voltage insulation procurement requirements of B2B buyers in electronic, power and high-voltage equipment industries, facilitating export to global markets.
Customization Options
Customizable dielectric strength (≥30 kV/mm for high-demand scenarios), dielectric loss (tanδ ≤0.001 at 1MHz for high-demand scenarios), foaming ratio and hardness, adapting to different high-voltage insulation and electronic insulation requirements, helping buyers optimize insulation effect.
Production Process
High-insulation-oriented production process: High-purity high-insulation Silicone raw materials → formula optimization (add high-insulation fillers and dielectric stabilizers) → precision mixing in dust-free workshop → dielectric strength test → insulation resistance test → standardized curing → insulation stability inspection → packaging. Strict insulation testing ensures product ultra-high dielectric strength and low dielectric loss.
FAQ
Q1: What is the dielectric strength? A: ≥25 kV/mm, excellent insulation performance, can withstand high voltage without electrical breakdown.
Q2: Will it cause electrical leakage? A: No, insulation resistance ≥10¹² Ω·cm, no electrical leakage, ensuring safe operation of high-voltage equipment.
Q3: Is it suitable for high-frequency insulation scenarios? A: Yes, paired with high-precision mold silicone, ideal for high-frequency insulation parts and electronic insulation components.
Q4: Will high temperature affect its insulation performance? A: No, insulation stability ≥95%, dielectric strength and insulation performance remain unchanged in -65℃-200℃, ensuring safe use in high-temperature high-voltage scenarios.
Shenzhen Hong Ye Jie Technology Co., Ltd
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