Flexible mica sheet
Product Category:
Mica Plate
Keywords:
Yuefeng Mica
- Description
-
- Commodity name: Flexible mica sheet
Good Flexibility ：Can be bent, wrapped, or folded without breaking, making it ideal for irregularly shaped parts such as motor windings or flexible cable sheathing.
Strong Electrical Insulation Performance ：Dielectric strength of 12–25kV/mm, suitable for low to medium voltage (1kV–20kV) systems, preventing arcing and leakage.
High Temperature Resistance ：Withstands continuous operating temperatures of 300°C–900°C (depending on mica type), maintaining performance in high-temperature environments such as engine compartments or furnace wiring.
Flame Retardancy ：Classified as self-extinguishing (UL94 V-0 rating), it resists ignition and slows the spread of fire, enhancing the safety of enclosed electrical devices.
Lightweight and Thin ：Lower density (0.8–1.2g/cm³) compared to hard mica sheets, maximizing the minimum volume of insulating parts.
Moisture and Chemical Resistance ：Water-repellent (water absorption ≤1.5%) and resistant to mild oils, acids, and alkalis, ensuring durability in humid or industrial environments.
Specifications
Thickness ：0.1mm–2mm, thinner specifications (0.1–0.5mm) provide maximum flexibility for tight winding.
Sheet Size ：Standard sizes range from 200×300mm to 1000×2000mm; custom cutting is available to meet specific project requirements.
Reinforcement Options ：Fiberglass mesh (enhanced strength) or organic film (enhanced flexibility) to meet application needs.
Adhesive Compatibility ：Compatible with heat-activated or pressure-sensitive adhesives for easy installation on various surfaces.
Application Areas
Motors and Generators ：Wound around stator and rotor windings to provide insulation while accommodating the movement of rotating parts.
High-Temperature Cables ：Used as a flexible insulating layer in fire-resistant cables, especially for cables passing through bends or tight spaces in buildings or industrial plants.
Transformers and Reactors ：Lined between windings or around conductors, conforming to tight spaces to prevent short circuits.
Aerospace and Automotive Wiring Harnesses ：Provides insulation for wiring harnesses and connectors in engine compartments or tight vehicle compartments where flexibility and heat resistance are critical.
Industrial Heating Equipment
Project Unit FM-500 (White Mica Flexible Sheet) FM-700 (Gold Mica Flexible Sheet) Test Methods Mica Paper / White Mica Gold Mica / Mica Content % ≥90 ≥90 IEC 60371-2 Binder Content % ≤10 ≤10 IEC 60371-2 Density g/cm³ 1.7 - 2.15 1.7 - 2.15 IEC 60371-2 Temperature Resistance (Continuous Use) ℃ 500 700 / Temperature Resistance (Intermittent Use) ℃ 700 900 / Heat Loss at 500℃ % ≤3.5 ≤3.5 IEC 60371-2 Heat Loss at 700℃ % ≤2 ≤2 IEC 60371-2 Flexural Strength MPa >200 >200 GB/T 5019.2 Water Absorption % <1 <1 GB/T 5019.2 Dielectric Strength kV/mm ≥15 ≥14 IEC 60243-1 Flammability Rating / UL94 V-0 UL94 V-0 UL94 Flexibility Test - No delamination or mica slippage No delamination or mica slippage Internal Standard Volume Resistivity Ω·cm >10¹⁷ (23℃), >10¹² (500℃) >10¹⁷ (23℃), >10¹² (500℃) IEC 60093 Technical Parameters
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Company Address: Wushi Industrial Park, Xingwang Road, Pingjiang High-tech Industrial Park, Wushi Town, Pingjiang County, Hunan Province
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