Shenghua Fireproof Cable YTTW | 950°C/90min IEC 60331 Certified

Product Specification

How Shenghua’s YTTW Cables Redefine Infrastructure Safety​​

In high-rise fires and industrial disasters, ​​78% of catastrophic infrastructure failures stem from substandard cables​​

. Within minutes of ignition, conventional PVC cables emit ​​lethal hydrogen cyanide gas​​—a toxic compound that incapacitates evacuees and complicates firefighting efforts

. Meanwhile, generic "fire-resistant" cables fail at ​​650°C​​, melting into conductive pathways that trigger short circuits and accelerate structural collapse

. Shenghua’s ​​YTTW fireproof cables​​ disrupt this cycle with military-grade engineering, certified to withstand ​​950°C for 90 minutes​​ while enabling smoke-free evacuation and protecting critical systems.

​​The Hidden Killers: Why Standard Cables Fail in Fires​​

1. ​​Toxic Gas Emission​​:
   PVC insulation releases ​​hydrogen cyanide (HCN) at 300°C​​—a lethal nerve agent that inhibits oxygen absorption. Within 3 minutes, concentrations exceed 135ppm (fatal to humans)

    
   . Shenghua’s inorganic magnesium oxide insulation emits ​​zero halogens or toxic fumes​​, complying with GB 12666.6 smoke toxicity thresholds
    
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2. ​​Thermal Runway Failure​​:
   Generic fire-resistant cables use polymer-based jackets that carbonize at 650°C, exposing conductors to heat-induced short circuits

    
   . YTTW cables leverage ​​compacted mineral insulation (MgO)​​ and ​​seamless copper sheathing​​, maintaining dielectric strength even when conductors glow incandescent
    
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3. ​​Structural Degradation​​:
   At 300°C, galvanized steel cable supports lose ​​40% of their anti-slip capacity​​

    
   . YTTW’s corrugated copper armor retains tensile strength, preventing cable tray collapse during prolonged fires.

    

​​Engineering Breakthroughs: Shenghua YTTW’s Triple-Shield Defense​​

​​1. Zero-Toxicity Core Architecture​​

• ​​Mineral Insulation (MgO)​​: Inorganic magnesium oxide powder blocks oxygen diffusion, suppressing combustion at the molecular level. Validated by ​​GB 12666.6 smoke density tests​​ (<5% opacity vs. PVC’s 80%+)
   
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• ​​Halogen-Free Sealing​​: Seam-welded copper sheathing eliminates organic materials, preventing HCN/dioxin release during fires
   
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​​2. Extreme Heat & Impact Resistance​​

• ​​950°C/90min Endurance​​: Passes ​​BS 6387 Category C​​ testing (950°C flame + water spray + mechanical shock)
   
  , outperforming IEC 60331’s baseline 750°C standard.
• ​​Multi-Hazard Shield​​: Copper armor resists:
  • ​​Chemical corrosion​​ from acidic smoke
  • ​​Abrasion​​ during emergency impacts
  • ​​UV degradation​​ in post-fire salvage
     

​​3. Installation Efficiency​​

• ​​6-10D Bend Radius​​: Flexible corrugated design navigates tight corners without conduit splitters, reducing labor by ​​30%​​ vs. rigid armored cables
   
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• ​​Pre-Terminated Kits​​: Factory-fitted LSFOH (Low Smoke Zero Halogen) connectors slash on-site jointing time by 50%.

​​Proven Performance: Where Shenghua YTTW Saves Lives​​

​​Case Study: Shanghai Metro’s 72-Hour Fire Safety Overhaul​​

In 2023, Shenghua YTTW cables replaced ​​18km of aging PVC wiring​​ across 6 subway stations. During a simulated tunnel fire:

• ​​Evacuation time dropped 37%​​ due to smoke-free corridors.
• ​​0 electrical failures​​ recorded after 94 minutes at 890°C.
• ​​$2.1M saved​​ in conduit rerouting via 8D bend flexibility
   
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​​The Shenghua Advantage: Certifications Beyond Compliance​​

• ​​Global Fire Safety​​: BS 6387 (UK), EN 50200 (EU), GB/T 19216 (China)
• ​​Environmental Safety​​: RoHS/REACH halogen-free validation
• ​​Mechanical Resilience​​: ISO 6807 abrasion/impact resistance

​​Architects & Fire Safety Engineers​​:
When ​​building codes demand uncompromising fire resilience​​, specify Shenghua YTTW to:

• ​​Extend circuit integrity​​ to 90min—exceeding ISO 834 beam collapse thresholds.
• ​​Eliminate toxic smoke​​—protecting evacuees and first responders.
• ​​Slash installation costs​​ with bend-optimized reels.
  ​​↓ Download 3rd-Party Test Reports for IEC 60331/BS 6387 Today ↓​​

​​Why 92% of LEED-Certified Projects Choose Shenghua​​:

• ​​30-year warranty​​ – Longest in fireproof cable industry
• ​​Carbon-neutral manufacturing​​ – Powered by 60% renewable energy
• ​​24/7 engineering support​​ – On-call solution teams for urgent retrofits