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Engineered Silicone Solutions for High-Performance Industries

DP Silicone delivers advanced silicone foam, conductive sheets, flame-retardant insulation, and custom silicone products for new energy, electronics, aerospace, and medical applications — trusted by over 2,000 global clients.

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-100°C to 350°C

Extreme Temperature Resistance

>90%

Compression Rebound Rate

0.16–0.45 g/cm³

Ultra-Lightweight Foam Density

About Depu Technology

Depu Technology (Shenzhen) Co., Ltd., operating as DP Silicone, is a leading comprehensive service provider of organic silicone with over 15 years of industry expertise. We specialize in the research, development, production, and distribution of high-performance silicone materials tailored for demanding industrial environments.

Our product portfolio includes liquid silicone foam, conductive silicone sheets, flame-retardant insulation, and specialized silicone rubber coil sheets. With a production capacity exceeding 500,000 square meters annually and a maximum width of 4 meters, we serve over 2,000 satisfied customers across the globe.

15+ Years

Industry Experience

500K+ m²/year

Annual Output

2000+

Global Clients

0.1–15mm

Thickness Range

Silicone Foam Manufacturing Facility

Premium Silicone Products

Discover our advanced silicone solutions engineered for performance, durability, and reliability across critical industries.

Liquid Silicone Foam

Liquid Silicone Foam

Low-density, high-resilience foam ideal for sealing and cushioning in extreme environments.

  • • Density: 0.16–0.45 g/cm³
  • • Temp: -100°C to 350°C
  • • Closed-cell or open-cell
Flame Retardant Silicone Sheet

Flame Retardant Silicone Sheet

Self-extinguishing silicone with aluminum hydroxide/silica composite for fire safety.

  • • UL94 V-0 compliant
  • • IPX7 waterproof
  • • Ozone resistant
Conductive Silicone Sheet

Conductive Silicone Sheet

EMI/RFI shielding with surface resistance <0.1 Ω/sq for PCB and electronic enclosures.

  • • Surface resistivity: <0.1 Ω/sq
  • • High shielding effectiveness
  • • Custom conductivity levels
Anti-Static Silicone Sheet

Anti-Static Silicone Sheet

Prevents electrostatic discharge in sensitive electronic and cleanroom environments.

  • • Surface resistivity: 10⁶–10⁹ Ω/sq
  • • ESD-safe
  • • Cleanroom compatible
Medical Device Silicone Sheet

Medical Device Silicone Sheet

Biocompatible, ISO 10993-certified silicone for medical mattresses and patient care.

  • • ISO 10993 biocompatibility
  • • Non-toxic & hypoallergenic
  • • Sterilizable
Silicone Foam for New Energy Batteries

Battery Pack Silicone Foam

Special foam for new energy batteries with cushioning, insulation, and flame resistance.

  • • Density: 0.2 g/cm³
  • • Thermal insulation
  • • Vibration damping
Highly Transparent Silicone Sheet

Highly Transparent Silicone Sheet

Optically clear silicone for display covers, lenses, and aesthetic applications.

  • • >90% light transmission
  • • UV resistant
  • • Scratch-resistant
Lmitation Electrostatic Foam

Lmitation Electrostatic Foam

Specialized foam with controlled static dissipation for sensitive electronics packaging.

  • • ESD protection
  • • Lightweight cushioning
  • • Custom shapes available
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Advanced Technology & Advantages

Our proprietary processes ensure superior performance, consistency, and customization for every silicone solution.

Foaming Technology

Chemical foaming (hydroxyl decomposition) and physical foaming (organic microsphere expansion) enable precise control over cell structure and density.

Special Modification

UV curing, plasma treatment, and flame-retardant compounding enhance durability, adhesion, and safety.

Structural Control

Adjustable cell size and closed/open/hybrid configurations for optimal sealing, insulation, or sound absorption.

Mechanical Performance

Compression rebound >90%, hardness 20–80 Shore C. Exceptional elasticity and recovery.

Thermal Stability

Operates from -100°C to 350°C. Ideal for extreme environments in aerospace and EVs.

Environmental Resistance

UV stable (3000+ hrs), IPX7 waterproof, ozone-resistant. Long service life in harsh conditions.

15+

Years Experience

500K+

m² Annual Output

2000+

Global Clients

4m

Max Width

Frequently Asked Questions

What is the difference between closed-cell and open-cell silicone foam?

Closed-cell foam has independent bubbles, making it ideal for sealing and insulation. Open-cell foam has interconnected pores, excellent for sound absorption and shock damping.

Can you customize thickness and width?

Yes. We offer standard thicknesses from 0.8mm to 4.76mm and can produce custom thicknesses from 0.1mm to 15mm. Widths up to 4 meters are available.

Is your silicone foam suitable for medical applications?

Yes. Our medical-grade silicone sheets are ISO 10993 certified for biocompatibility and are used in medical mattresses and patient-contact devices.

Do you offer EMI shielding solutions?

Yes. Our conductive silicone sheets provide excellent EMI/RFI shielding with surface resistance below 0.1 Ω/sq, ideal for electronic enclosures and PCBs.

What industries do you serve?

We serve new energy vehicles, electronics, aerospace, medical equipment, rail transit, and industrial manufacturing.

Get in Touch

For quotes, technical support, or custom product development, visit our official website to connect with our team.

[email protected]
+86 13699819036
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