Product Summary
HONG YE SILICONE’s Liquid Foamed Silicone is a conductive and electromagnetic shielding 2-component Addition Curing Silicone, featuring excellent conductivity (volume resistivity ≤10⁻³ Ω·cm), electromagnetic shielding (shielding effectiveness ≥30 dB @1GHz), anti-interference, suitable for electromagnetic shielding and conductive scenarios. It has fine uniform closed-cell pores, -65℃-200℃ temperature resistance, 1:1 easy operation, passed SGS conductivity and electromagnetic shielding certification, compatible with Electronic Potting Compound and high-precision Mold Silicone , serving B2B buyers in electronic and electromagnetic shielding industries.
Product Overview
HONG YE SILICONE’s Liquid Foamed Silicone (Foaming Silicone Rubber, Silicone Foam ) is a conductive electromagnetic shielding core product, specially developed for electromagnetic shielding, conductive and anti-interference scenarios. As a 2-component addition curing silicone, it is formed by chemical foaming of flowable Part A and Part B, formulated with conductive fillers (such as carbon black, silver powder), featuring ultra-low volume resistivity, strong electromagnetic shielding, fine uniform closed-cell structure, good elasticity and conductive stability. It has a volume resistivity of ≤10⁻³ Ω·cm and shielding effectiveness of ≥30 dB @1GHz, can effectively conduct electricity and block electromagnetic interference, effectively solving the problem of traditional foaming materials’ non-conductivity and poor electromagnetic shielding. Compatible with most of our electronic and precision products, it is ideal for electromagnetic shielding components, conductive buffers and anti-interference scenarios.
Technical Specifications
Type: 2-component addition curing silicone
Conductivity & Electromagnetic Shielding: Volume resistivity ≤10⁻³ Ω·cm, electromagnetic shielding effectiveness ≥30 dB @1GHz, conductive, anti-interference, no electromagnetic leakage
Foaming Feature: Fine uniform closed-cell pores (20-50μm), conductive, electromagnetic shielding structure, uniform conductive distribution, no conductivity loss
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 conductivity certification, SGS electromagnetic shielding certification
Key Traits: Conductive, electromagnetic shielding, volume resistivity ≤10⁻³ Ω·cm, shielding effectiveness ≥30 dB @1GHz
Packaging: Part A (20/25/200KG/barrel), Part B (20/25/200KG/barrel)
Product Features & Advantages
1. Excellent Conductivity: Volume resistivity ≤10⁻³ Ω·cm, good electrical conductivity, solving the problem of traditional foaming materials’ non-conductivity in conductive scenarios.
2. Strong Electromagnetic Shielding: Shielding effectiveness ≥30 dB @1GHz, blocks electromagnetic interference, prevents electromagnetic leakage, protects electronic components from interference.
3. Conductive & Elasticity Balance: While maintaining ultra-low volume resistivity and electromagnetic shielding, it retains good elasticity and structural stability, no brittle fracture, balancing conductive performance and usability.
4. Compatibility with Electronic Products: Compatible with HONG YE SILICONE’s electronic Potting Compound and high-precision mold silicone, forming a complete electromagnetic shielding solution, enabling one-stop procurement. 5. Easy Operation: 1:1 simple mixing ratio, good flowability, easy to process into conductive and shielding components, no professional conductive operation skills required, improving production efficiency.
How to Use
1. Take Part A and Part B according to 1:1 weight ratio, stir separately to eliminate sediment, ensure no impurities (avoid affecting conductivity and electromagnetic shielding performance).
2. Mix and stir thoroughly for 3 minutes until homogeneous, vacuum degas to remove air bubbles (ensure conductive uniformity and shielding structure).
3. Pour the mixture into conductive component mold (paired with electronic potting compound), foam and cure at room temperature or by heating.
4. After full curing, the product has excellent conductivity and electromagnetic shielding, ready for use in conductive and anti-interference scenarios.
Application Scenarios
Focus on electromagnetic shielding scenarios: Electronic equipment electromagnetic shielding (paired with electronic potting compound), conductive robot parts (paired with robot silicone), electromagnetic shielding packaging (paired with Liquid Tank Silicone), precision electronic component shielding (paired with high-precision mold silicone), and industrial electromagnetic anti-interference components (paired with Industrial mold silicone rubber). It helps electronic buyers protect components from electromagnetic interference and ensure stable performance.
Certifications and Compliance
Passed SGS eco-toxicity certification, RoHS compliant, SGS conductivity certification, SGS electromagnetic shielding certification, excellent conductive and electromagnetic shielding performance, meeting the electromagnetic shielding procurement requirements of B2B buyers in electronic, precision and industrial industries, facilitating export to global markets.
Customization Options
Customizable conductivity (volume resistivity ≤10⁻⁴ Ω·cm for high-demand scenarios), shielding effectiveness (≥50 dB @1GHz for high-demand scenarios), foaming ratio and hardness, adapting to different conductive and electromagnetic shielding requirements, helping buyers optimize shielding effect.
Production Process
Conductive-oriented production process: High-purity Silicone raw materials → formula optimization (add conductive fillers) → precision mixing → conductivity test → electromagnetic shielding test → standardized curing → conductive stability inspection → packaging. Strict conductive and shielding testing ensures product effective conductivity and electromagnetic shielding.
FAQ
Q1: What is the volume resistivity? A: ≤10⁻³ Ω·cm, excellent conductivity, good electrical conduction performance.
Q2: What is the electromagnetic shielding effectiveness? A: ≥30 dB @1GHz, strong shielding, blocks electromagnetic interference, prevents leakage.
Q3: Is it suitable for electronic equipment? A: Yes, paired with electronic potting compound, ideal for electronic equipment electromagnetic shielding and conductive scenarios.
Q4: Will the conductivity fade over time? A: No, conductive fillers are evenly distributed, conductivity is stable, no attenuation after long-term use.
Shenzhen Hong Ye Jie Technology Co., Ltd
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