Product Summary
HONG YE SILICONE’s Liquid Foamed Silicone is a low dielectric constant 2-component Addition Curing Silicone, featuring excellent electrical insulation (dielectric constant ≤2.5 at 1MHz), low dielectric loss, high insulation resistance, suitable for electrical insulation, high-frequency electronic and low-dielectric scenarios. It has fine uniform closed-cell pores, -65℃-200℃ temperature resistance, 1:1 easy operation, passed SGS dielectric certification, compatible with Electronic Potting Compound and high-precision Mold Silicone , serving B2B buyers in electronic, aerospace and high-frequency communication industries.
Product Overview
HONG YE SILICONE’s Liquid Foamed Silicone (Foaming Silicone Rubber, Silicone Foam ) is a low dielectric constant electrical insulation core product, specially developed for electrical insulation, high-frequency electronic and low-dielectric environments. As a 2-component addition curing silicone, it is formed by chemical foaming of flowable Part A and Part B, formulated with low-dielectric additives and insulation modifiers, featuring low dielectric constant, low dielectric loss, high insulation resistance, fine uniform closed-cell structure, good elasticity and dielectric stability. It has a dielectric constant of ≤2.5 at 1MHz, excellent electrical insulation, effectively reducing signal interference, solving the problem of traditional foaming materials’ high dielectric constant in high-frequency scenarios. Compatible with most of our electronic and aerospace products, it is ideal for insulation components, low-dielectric buffers and high-frequency electronic scenarios.
Technical Specifications
Type: 2-component addition curing silicone
Low Dielectric & Electrical Insulation: Dielectric constant ≤2.5 (1MHz), low dielectric loss (≤0.002 at 1MHz), insulation resistance ≥10¹² Ω·cm, electrical insulation, no signal interference, dielectric stability
Foaming Feature: Fine uniform closed-cell pores (20-30μm), low-dielectric structure, dense pore distribution, uniform insulation, no electrical breakdown
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 certification
Key Traits: Low dielectric constant, electrical insulation, dielectric constant ≤2.5, low dielectric loss
Packaging: Part A (20/25/200KG/barrel), Part B (20/25/200KG/barrel)
Product Features & Advantages
1. Excellent Low Dielectric Performance: Dielectric constant ≤2.5 at 1MHz, low dielectric loss, solving the problem of traditional foaming materials’ high dielectric constant in high-frequency scenarios.
2. High Electrical Insulation: Insulation resistance ≥10¹² Ω·cm, no electrical breakdown, effectively isolating electrical signals, reducing signal interference.
3. Low Dielectric & Elasticity Balance: While maintaining low dielectric constant and electrical insulation, 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-precision mold silicone, forming a complete insulation solution, enabling one-stop procurement. 5. Easy Operation: 1:1 simple mixing ratio, good flowability, easy to process into 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 container to eliminate sediment, ensure no impurities (avoid affecting dielectric and insulation performance)
2. Mix and stir thoroughly for 3 minutes until homogeneous, vacuum degas to remove air bubbles (ensure dielectric uniformity and closed-cell structure).
3. Pour the mixture into insulation component mold (paired with electronic potting compound), foam and cure at room temperature or by heating.
4. After full curing, the product has excellent low dielectric performance and electrical insulation, ready for use in high-frequency electronic and insulation scenarios.
Application Scenarios
Focus on insulation scenarios: High-frequency electronic insulation buffers (paired with electronic potting compound), aerospace low-dielectric components (paired with high-precision mold silicone), electrical insulation parts (paired with Industrial mold silicone rubber), low-dielectric packaging (paired with Liquid Tank Silicone), and high-frequency robot parts (paired with robot silicone). It helps electronic buyers reduce signal interference and ensure electrical insulation safety.
Certifications and Compliance
Passed SGS eco-toxicity certification, RoHS compliant, SGS dielectric certification, excellent low dielectric performance and electrical insulation, meeting the insulation procurement requirements of B2B buyers in electronic, aerospace and high-frequency communication industries, facilitating export to global markets.
Customization Options
Customizable dielectric constant (≤2.0 at 1MHz for high-demand scenarios), dielectric loss (≤0.001 for high-demand scenarios), foaming ratio and hardness, adapting to different low-dielectric and insulation requirements, helping buyers optimize signal integrity.
Production Process
Low-dielectric-oriented production process: High-purity low-dielectric Silicone raw materials → formula optimization (add low-dielectric additives and insulation modifiers) → precision mixing in dust-free workshop → dielectric test → insulation test → standardized curing → dielectric stability inspection → packaging. Strict dielectric testing ensures product low dielectric constant and high insulation performance.
FAQ
Q1: What is the dielectric constant? A: ≤2.5 at 1MHz, low dielectric loss, excellent low dielectric performance, reducing signal interference.
Q2: Is it suitable for high-frequency electronic scenarios? A: Yes, low dielectric constant and low dielectric loss, ideal for high-frequency electronic insulation and signal protection.
Q3: What is the insulation resistance? A: ≥10¹² Ω·cm, high electrical insulation, no electrical breakdown, ensuring insulation safety.
Q4: Will high temperature affect its dielectric performance? A: No, dielectric stability, dielectric constant and loss remain unchanged in -65℃-200℃, ensuring insulation in high-temperature electronic scenarios.