Silicone Compounds for Wire & Cable

01

UL 200°C Cable Grade Extrusion Silicone Compound

  • MK-20WF-60
Key Advantages

Certified for 200℃ continuous operation exceeding UL758 1440h thermal aging test, this platinum-cured compound maintains >85% elongation retention after extreme heat exposure, delivering blister-free extrusion at 0.15mm thickness.

Core Features
UL Thermal EndurancePasses 200℃×1440h aging (UL758 Sec.6)
Processing ExcellenceZero blisters/pitting at high extrusion speeds
Electrical StabilityVolume resistivity >1×10¹⁵ Ω·cm (IEC 60093)
Thin-Wall CapabilityConsistent extrusion down to 0.15mm
Applications

EV high-voltage cable jacketing / Industrial heater leads / Aerospace wiring systems

02

Extruded HT Foamable Silicone Rubber

  • MK-20ENF-30/40
Key Advantages

Engineered for critical insulation with >20kV/mm dielectric strength (IEC 60243), featuring zero gel particles and vacuum-extrusion compatibility to eliminate micro-voids in medical/energy cables

Core Features
Superior InsulationDielectric strength 22kV/mm (ASTM D149)
Defect-Free Extrusion100% bubble/gel-free (MIL-STD-202 method 101)
Platinum PurityCopper corrosion class 1A (ISO 6722)
High FlowMelt flow index >35g/10min (ISO 1133)
Applications

Implantable medical leads / MRI coil cables / Solar farm DC wiring

03

FR Cable Grade Extrusion Silicone Compound

  • MK-20WF-60
Key Advantages

Combines V-0 flame retardancy (UL94 @0.8mm) with 18kV/mm dielectric strength, using halogen-free formula to pass IEC 60754-1 gas toxicity test while maintaining smooth surface finish.

Core Features
Dual ProtectionUL94 V0 + >18kV/mm insulation
Clean CombustionHalogen-free, acidity <0.1% (IEC 60754-2)
Smoke ControlSmoke density Ds(4.0)≤100 (NFPA 262)
Process Stability±5% extrusion dimensional tolerance
Applications

Mass transit vehicle wiring / Nuclear facility cables / Offshore wind turbine harnesses

Technical Comparison Table

PropertyUL200℃ Grade (MK-20WF-60U)Insulation Grade (MK-20W-60)FR Grade (MK-20WF-60)
Continuous Temp200℃180℃180℃
Dielectric Strength15kV/mm22kV/mm18kV/mm
Flame RatingHBHBV0 @0.8mm
Key CertificationUL758 QMFZ2ISO 13485EN 45545-2 HL3
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