In fire safety-critical cable manufacturing, circuit integrity during extreme heat, flame, water spray, and mechanical shock is non-negotiable. Fire Resistant Cable Mica Tape (also known as Mica Cable Tape) serves as the primary inorganic barrier that prevents conductor melting, insulation breakdown, and short-circuiting.
When exposed to fire, organic components volatilize while the high-purity mica forms a stable, cohesive ceramic-like layer. This maintains dielectric separation between conductors even after outer insulation chars, enabling cables to continue operating for 90–180 minutes or longer.
As a reliable B2B supplier with decades of experience supporting global fire-resistant cable projects, we engineer mica tape solutions that help manufacturers meet the strictest international standards for emergency power, control, instrumentation, and safety systems in high-rise buildings, subways, tunnels, data centers, ships, offshore platforms, and industrial facilities.
Two Main Types of Mica Cable Tape: Phlogopite vs. Calcined
Type A – Phlogopite Mica Tape Manufactured from premium phlogopite mica paper bonded to glass fabric or PE film with high-temperature silicone resin. It offers excellent flexibility, acid/alkali resistance, and dependable performance at flame temperatures of 750–850°C. This is the most widely used, cost-effective solution for standard fire-resistant power supply lines, control cables, emergency lighting, and general building wiring where moderate-to-high fire resistance is required.
Type B – Calcined Mica Tape (Calcined Muscovite) Produced from high-purity calcined muscovite mica paper reinforced with alkali-free glass fiber cloth and silicone resin. Calcined grades deliver superior thermal stability and the highest fire resistance (900–950°C+), with lower smoke emission and zero halogen content. Preferred for extreme environments such as shipboard cables, nuclear power cables, offshore platforms, and high-rise or infrastructure projects demanding the most stringent circuit integrity.
Başlıca Teknik Avantajlar ve Performans Faydaları
- Unmatched Fire Resistance & Circuit Integrity — Maintains dielectric strength and prevents conductor exposure even at 750–1000°C, enabling cables to pass IEC 60331 and BS 6387 CWZ tests for 90–180 minutes.
- High Dielectric Strength & Electrical Insulation — Excellent isolation properties (verified >1.0–1.8 kV per layer depending on grade and thickness) ensure reliable performance under both normal and emergency conditions.
- Superior Flexibility & Processability — High tensile strength combined with excellent elongation supports smooth longitudinal or helical wrapping (recommended 25–50% overlap) on high-speed cable production lines without cracking or delamination.
- Low Smoke & Halogen-Free Performance — Particularly in calcined grades, the tape produces minimal smoke and no corrosive halogen gases, supporting safe evacuation and reducing secondary damage.
- Termal ve Çevresel Kararlılık — Short-term resistance up to 1000°C+; long-term operating temperature 90–180°C (grade dependent). Outstanding resistance to moisture, chemicals, corona, and radiation.
- Lightweight & Cost-Effective — Thin, consistent profile (0.08–0.14 mm) adds minimal weight while delivering maximum protection for both standard and specialty fire-resistant cable designs.
Termal ve Çevresel Kararlılık
- Short-term resistance: Up to 1000°C+
- Long-term operating temperature: 90–180°C (depending on grade)
- Outstanding resistance to moisture, chemicals, corona, and radiation
Lightweight & Cost-Effective Thin profile (0.08–0.15 mm) adds minimal weight while delivering maximum protection, making it ideal for both standard and specialty fire-resistant cable designs.
Primary Applications in Fire-Resistant Cable Systems
Mica Cable Tape is applied as the primary fire-resistant insulation layer directly over conductors or between insulation and sheath in:
- Fire-resistant power cables (emergency power supply)
- Control and instrumentation cables
- Emergency lighting and evacuation systems
- Shipboard, offshore, and marine cables
- Nuclear power plant cables
- High-rise buildings, subways, tunnels, and data centers
It is typically used in combination with XLPE or silicone rubber insulation and low-smoke zero-halogen (LSZH) sheaths to achieve full compliance with fire safety regulations.
Teknik Özellikler
Single-Side Glass Fiber Cloth Backed Mica Tape
| Tip | Thickness (mm) | Quantitative (g/m²) | Mica Content (g/m²) | Glass Fiber Content (g/m²) | Bond Content (g/m²) | Dielectric Strength (kV/layer) | Tensile Strength (N/cm) |
|---|
| Calcined Mica Tape | 0.12 ± 0.015 | 158 ± 12 | 100 ± 5 | 32 ± 3 | 26 ± 4 | >1.5 | >120 |
| Calcined Mica Tape | 0.14 ± 0.015 | 181 ± 12 | 120 ± 5 | 32 ± 3 | 29 ± 4 | >1.8 | >120 |
| Phlogopite Mica Tape | 0.08 ± 0.015 | 117 ± 11 | 80 ± 5 | 24 ± 3 | 13 ± 3 | >1.0 | >80 |
| Phlogopite Mica Tape | 0.12 ± 0.015 | 172 ± 11 | 120 ± 5 | 32 ± 3 | 20 ± 3 | >1.2 | >120 |
| Phlogopite Mica Tape | 0.14 ± 0.015 | 216 ± 14 | 160 ± 8 | 32 ± 3 | 24 ± 3 | >1.4 | >120 |
Notes:
- Quantitative = total mass per unit area (ensures batch-to-batch consistency).
- Mica Content = primary inorganic fire-resistant component.
- All values are typical production data. Custom thicknesses, widths (6–1000 mm), mica content, single/double-side configurations, and glass/PE backing options are available to match exact fire-resistance class (e.g., BS 6387 CWZ) and cable design requirements.
| Parametre | Phlogopite Mica Tape | Calcined Mica Tape | Test Koşulu / Standardı |
|---|
| Mica Content | ≥55% | ≥60% | High fire resistance |
| Substrate | Glass fabric / PE film | Alkali-free glass fiber cloth | High mechanical strength |
| Impregnation | Silicone resin | Silicone resin | Thermal stability |
| Thickness | 0.08–0.15 mm | 0.08–0.15 mm | Hassas dilimleme |
| Width | 6–1000 mm | 6–1000 mm | Custom available |
| Fire Resistance | IEC 60331, BS 6387 | IEC 60331, BS 6387 | Circuit integrity |
| Temperature Resistance | Harika | Superior | Long-term stability |
(Custom thicknesses, widths, and mica content available to match exact fire-resistance class and cable design.)
Custom thicknesses, widths, mica content, single/double-side, and glass/PE backing options are available to match exact fire-resistance class (e.g., BS 6387 CWZ) and cable design.
Fire Resistance Standards & Compliance
Mica Cable Tape meets the most stringent global requirements:
- IEC 60331 – Circuit integrity under fire conditions (750–950°C)
- BS 6387 – Fire resistance (C = fire alone, W = fire + water spray, Z = fire + mechanical shock)
- GB/T 19666 – Fire-resistant cables (China)
- Additional: DIN 4102, NFC 32-070, VDE 0472-814
Cables wrapped with properly selected Mica Tape routinely achieve 90–180 minutes of circuit integrity.
Ambalaj ve Lojistik
Available in coil or roll form for efficient global supply:
- Coil/Pad: Width 6–1000 mm, length 500–2000 m, inner diameter 52/76 mm, outer diameter up to 560 mm
- Spool: Narrow widths (5–20 mm) with lengths up to 30,000 m for high-speed continuous production
- Secure wooden case or pallet packaging ensures safe worldwide transportation and storage
Why Partner With Us for Fire Resistant Cable Mica Tape?
As a professional B2B supplier focused on cable materials and complete technical solutions, we deliver more than standard products. We provide:
- Verified, consistent quality with precise grammage and dielectric performance batch after batch
- Full customization capabilities tailored to your specific fire class and production line requirements
- Technical consultation to optimize tape selection, wrapping parameters, and overall cable design
- Reliable global logistics and responsive support for manufacturers and EPC contractors
- Seamless integration with complementary cable materials and accessories
Whether you are producing standard building cables or mission-critical systems for infrastructure, marine, or energy projects, our mica tape solutions help you achieve the highest fire-resistance standards while maintaining production efficiency and long-term reliability.
Şimdi bilgi isteyin to request detailed technical data sheets, samples, custom specifications (including specific thicknesses, widths, single/double-side, or reinforced grades), or competitive bulk quotations tailored to your fire-resistant cable designs and production lines. Our expert team provides full technical consultation and one-stop material solutions that strengthen your competitive advantage in global fire-safety cable markets.
Sıkça Sorulan Sorular (SSS)
What do the Quantitative and Mica Content values mean?
Quantitative (g/m²) represents the total mass per square meter of the finished tape. Mica Content (g/m²) indicates the amount of the primary inorganic fire-resistant component — higher values generally correlate with stronger fire performance.
Which grade should I choose for a 180-minute BS 6387 CWZ requirement?
Calcined Mica Tape (especially 0.14 mm grade with >1.8 kV dielectric) is typically recommended for the most demanding CWZ and higher-temperature applications. Phlogopite grades are highly effective for standard 90–120 minute requirements.
What overlap is recommended during wrapping?
25–50% overlap is standard for optimal fire performance and processability on high-speed lines. Our technical team can advise exact parameters based on your conductor diameter and equipment.
Are custom specifications available?
Yes. We routinely customize thickness, width, mica content, backing type, and construction to match your exact cable design and fire-resistance class.
Do these tapes support high-speed modern production lines?
Absolutely. All grades feature verified tensile strength and flexibility specifically engineered for smooth, high-speed helical or longitudinal wrapping without defects.
Fire Resistant Cable Mica Tape – Reliable Cable Material
Engineered mica insulation tape offering exceptional fire resistance, dielectric strength, and mechanical stability. Available in Phlogopite and Calcined Muscovite grades with verified grammage, dielectric, and tensile performance for safety-critical power and control cables.
Ürün SKU:
Mica Cable Tape1
Ürün markası:
RLB Makineleri
Ürün para birimi:
Amerikan Doları
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