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language: EN
English
language: EN
English
Thermal Expansion Glass Felts


ModelProduct NameThermal ClassFeatures and Applications
YD2451Single-sided Semi-conductive Thermal Expansion Glass FeltHComposite with cushioning, expansion and anti-corona "three-in-one" new material. Mainly used as slot bottom spacer strip and layer spacer strip for various high-voltage AC motors.
YD2452Double-sided Semi-conductive Thermal Expansion Glass FeltHComposite with cushioning, expansion and anti-corona "three-in-one" new material. Mainly used as slot bottom spacer strip and layer spacer strip for various high-voltage AC motors.
YD2455Thermal Expansion Glass FeltCHigh thermal expansion rate (≥50% at 80°C for 30 min, ≥100% at 130°C for 30 min). After heating and expansion, absorbs varnish fully and fills gaps, easily bonding with other objects into integral structure. Used as slot spacer strip for various high and low voltage AC/DC motors, filler between adjacent coils, insulation cushion between magnetic coil and core, cushion blocks for R-rotor headers, interval spacers between large DC motor header sleeves and between vertical plates.
YD2456Thermal Expansion Glass FeltCVery high thermal expansion rate (≥80% at 80°C for 30 min, ≥170% at 130°C for 30 min). After heating and expansion, absorbs varnish fully and fills gaps, easily bonding with other objects into integral structure. Used for various high and low voltage AC/DC motors and large generators.
YD2457Thermal Expansion Glass FeltCVery high thermal expansion rate (≥100% at 130°C for 30 min for thickness ≤2mm; ≥150% for >2mm). Smooth surface with uniform dispersion, good hand feel, strong air permeability. After heating and expansion, absorbs varnish fully and fills gaps, fast resin penetration. Used for various high and low voltage AC/DC motors and large generators. With various insulation varnishes, temperature class reaches C-class.
YD2458Low-temperature Expansion Glass FeltCHigh thermal expansion rate at 80±5°C (≥100% for thickness ≤2mm after 30 min). Smooth surface with uniform dispersion, good hand feel, strong air permeability. After heating and expansion, absorbs varnish fully and fills gaps, fast resin penetration. Used for various high and low voltage AC/DC motors and large generators.


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