Class H Insulation|High/Low Temperature Resistance|Water Repellent|Specialty for Electrical Materials

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Product Features

IOTA 6153 is a methyl phenyl silicone resin offering excellent electrical insulation, arc and corona resistance, high/low temperature resistance, water repellency, and moisture resistance. It also exhibits outstanding weatherability, ozone resistance, and chemical stability. Specifically designed for Class H electrical insulation materials, it is an ideal base resin for high-end insulation products.

Technical Specifications

Parameter Specification
Appearance Colorless to light yellow uniform transparent liquid; opalescence allowed, no mechanical impurities
Viscosity (Ford cup #4) 20–50 seconds
Solid content 50±1%
Curing condition (copper sheet, 200°C) ≤1h
Heat resistance (clear film on copper sheet, 200°C) ≥300h
Heat loss (250°C×3h) ≤5%
Solvent Xylene

Product Features

  • ✅ Class H electrical insulation – meets high-temperature insulation requirements

  • ✅ Excellent high/low temperature resistance – wide operating temperature range

  • ✅ Arc and corona resistant – suitable for high-voltage electrical equipment

  • ✅ Water repellent and moisture resistant – excellent hydrophobicity

  • ✅ Weather resistant – stable performance under long-term outdoor exposure

  • ✅ Ozone and chemical resistant – good resistance to chemical media

  • ✅ Fast curing – cures in ≤1h at 200°C

Main Applications

  • Class H electrical insulation materials – motor and electrical insulation structures

  • Glass mica tapes (plates) – laminated insulation products

  • Electrical insulating varnishes – impregnation insulation for coils and windings

  • Covering varnishes – protective coatings for insulation surfaces

  • Moisture-proof capacitor impregnation – capacitor moisture protection

  • Specialty paper treatment – insulation paper, heat-resistant paper, etc.

Processing Recommendations

This resin is supplied in xylene solvent. Viscosity can be adjusted as needed. Recommended curing condition is 200°C×1h, which can be modified based on workpiece size and equipment capabilities.

Why Choose IOTA 6153?

✅ Class H insulation – meets high-end electrical application requirements
✅ Fast curing (200°C≤1h) – improves production efficiency
✅ Excellent heat resistance (200°C≥300h) – long-term stability and reliability
✅ Water repellent and moisture resistant – withstands harsh environments
✅ Weather, ozone, and chemical resistant – multi-functional protection
✅ Suitable for insulating varnishes, mica products, capacitors, specialty papers, and more

For samples, processing recommendations, or technical support, please feel free to contact us.

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