| Customization: | Available |
|---|---|
| Material: | Organic Silicone |
| Application: | Household, Medical, Industrial, Agricultural |
Description
| Model NO. | DC |
|---|---|
| Certification | ISO, REACH, RoHS |
| Origin | China |
| Trademark | Dachuang Kehua |
| HS Code | 3910000000 |
| Production Capacity | 1,000,000 Sqm/Week |
| Specification | Customized |
| Transport Package | Carton + Pallet |
Product Name
Flame-Retardant (UL94 V0) Foam Silicone Sealing Ring – Fire-Safe for Electrical Cabinet Door Edges
Material Overview
Foamed silicone is an advanced, lightweight, and porous elastomer derived from flame-retardant silicone rubber—specifically engineered to meet the rigorous fire safety and sealing demands of electrical cabinet door edges.
It features a unique cellular structure composed of uniformly distributed air- or gas-filled pockets. This microstructure is precisely formed through controlled manufacturing processes such as:
- Use of UL94 V0-compliant chemical foaming agents,
- Mechanical aeration techniques, or
- Inert gas injection during vulcanization (curing).
The result is a soft, resilient foam matrix that retains the essential performance attributes of solid silicone rubber—critical for electrical applications—including:
✔ Excellent flexibility (conforms to irregular door profiles)
✔ Strong chemical inertness (resists insulating oils & cleaning agents)
✔ Long-term durability (withstands continuous operation)
…while offering significant advantages in:
→ Reduced weight (minimizes stress on door hinges and seals)
→ Enhanced cushioning (ensures consistent, tight sealing under compression)
Key Performance Characteristics
🔥 Flame Retardancy (UL94 V0 Certified)
Meets the stringent UL94 V0 flammability standard—self-extinguishes within 10 seconds after ignition with no flaming drips. Ensures critical fire safety in electrical enclosures and prevents flame propagation.
🌡️ Wide Temperature Resistance
Operates reliably from -60°C to +200°C or higher, maintaining sealing integrity and mechanical stability under extreme thermal cycles or short-term overheating events common in electrical systems.
🛡️ Superior Environmental Resistance
Highly resistant to:
- Ultraviolet (UV) radiation
- Ozone and oxidation
- Insulating oils, coolants, and industrial cleaning agents
Ideal for both indoor (e.g., data centers) and outdoor (e.g., power distribution cabinets) environments.
🧊 Excellent Thermal Insulation
The closed or open-cell foam structure traps air, creating a natural thermal barrier. Helps:
- Isolate internal components from external temperature fluctuations
- Slow heat transfer during internal overheating incidents
🌀 Vibration & Shock Damping
Absorbs mechanical vibrations from door operation or nearby equipment, preventing seal fatigue and loosening over time—ensuring long-term sealing reliability.
💨 Customizable Cell Structure
Available in two configurations for application-specific optimization:
| Type | Properties | Recommended Applications |
|---|---|---|
| Open-Cell Foam | High breathability, acoustic absorption, moderate compression | Ventilated cabinets, server racks (prioritizing heat dissipation & noise reduction) |
| Closed-Cell Foam | Superior water/moisture resistance, low fluid absorption | Outdoor, humid, or rain-exposed cabinets (e.g., waterproof distribution boxes) |
✅ Both types maintain UL94 V0 flame-retardant certification, ensuring fire safety across all use cases.
Typical Applications
- Sealing edges of electrical control cabinets
- Gaskets for outdoor power distribution boxes
- Fire-safe seals in data center server enclosures
- Door seals in industrial automation panels
- Flame-retardant padding in high-voltage equipment housings
Summary
The Flame-Retardant (UL94 V0) Foam Silicone Sealing Ring delivers a perfect balance of fire safety, environmental protection, and mechanical resilience. It is the ideal solution for securing electrical cabinet doors with reliable, long-lasting, and code-compliant sealing performance in demanding industrial, commercial, and outdoor environments.
Key Features of Foamed Silicone Products
Foamed silicone is a specialized category of silicone elastomers engineered with a cellular structure containing microscopic air or gas-filled pockets. This lightweight, semi-rigid to flexible material combines the core advantages of conventional silicone—such as thermal stability and chemical resistance—with enhanced cushioning, insulation, and weight-reduction properties.
Produced through advanced methods including chemical foaming, gas injection, or mechanical aeration during vulcanization, foamed silicone delivers high-performance solutions across industrial, consumer, automotive, medical, and electronic applications.
Below are the principal characteristics that define the performance and value of foamed silicone products:
1. 🪶 Lightweight Structure with High Compressibility
- Cellular design significantly reduces density while maintaining structural integrity.
- Ideal for weight-sensitive applications (e.g., aerospace, portable electronics).
- Offers excellent compressibility and recovery, ensuring long-term sealing and gasket performance under repeated mechanical stress.
2. 🔥 Thermal Insulation & Wide Temperature Resistance
- Trapped air in foam cells acts as an effective thermal barrier, minimizing heat transfer.
- Operates reliably from –60°C to +200°C (or higher) without deformation, hardening, or degradation.
- Maintains stable performance in extreme environments—ideal for engine bays, outdoor enclosures, and HVAC systems.
3. 🌿 Environmental & Chemical Resistance
- Inherits silicone’s natural resistance to:
- Ultraviolet (UV) radiation
- Ozone and oxidation
- Water, humidity, and a wide range of chemicals (oils, coolants, cleaning agents)
- Ensures long-term durability in harsh indoor/outdoor conditions, including marine, industrial, and corrosive settings.
4. 🔁 Versatility in Cell Structure
Available in two primary configurations for tailored application needs:
| Open-Cell Foam | Closed-Cell Foam |
|---|---|
| • Air-permeable structure • Superior sound absorption • Soft, highly compressible feel • Ideal for cushioning, padding, and acoustic insulation |
• Sealed cell walls prevent fluid/moisture ingress • Excellent water, vapor, and dust resistance • Higher tensile strength • Best for environmental sealing and thermal barriers |
✅ Both types can be formulated to meet flame-retardant (UL94 V0), food-grade, or medical-grade standards.
5. 🩺 Biocompatibility & Safety Compliance
- Non-toxic, hypoallergenic, and odorless.
- Available in FDA-compliant, REACH, and RoHS-certified grades.
- Suitable for sensitive applications such as:
- Medical device padding
- Infant care products
- Food processing equipment insulation
6. 💥 Mechanical Resilience & Shock Absorption
- Provides outstanding impact protection and vibration damping.
- Protects delicate components from shocks, drops, and operational vibrations.
- Resistant to tearing, abrasion, and fatigue—ensures long service life even under dynamic loads.
7. ⚡ Electrical Insulation Capabilities
- Retains reliable dielectric properties in foam form.
- Used in:
- Insulating gaskets for electronic housings
- EMI/RFI shielding pads
- Battery compartment seals
- Supports safety and performance in high-voltage and sensitive electronic devices.
8. 🛠️ Manufacturing Efficiency & Customization
- Compatible with multiple fabrication processes:
- Compression molding
- Extrusion
- Die-cutting (flat or rotary)
- CNC cutting
- Fully customizable in terms of:
- Density: Light cushioning to firm support
- Hardness: 10–50 Shore A (typical)
- Color: Black, white, red, blue, or custom
- Form: Sheets, rolls, strips, molded shapes, die-cut parts
Enables scalable production and seamless integration into diverse product designs.
✅ Summary
Foamed silicone is not just a seal—it's a multifunctional engineered material that delivers:
🔹 Lightweight comfort
🔹 Fire safety (UL94 V0 options)
🔹 Extreme environment resilience
🔹 Design flexibility
Whether used for sealing, cushioning, insulating, or protecting, foamed silicone provides a high-performance, durable, and compliant solution across industries—from EV battery packs and electrical cabinets to medical devices and consumer electronics.
