Description
2432 is constructed from non-alkali glass fiber cloth that is evenly impregnated with alkyd varnish. After impregnation, the material is baked and dried to form a stable, resin-rich film on the fiber surface. The resulting tape combines soft handling with high elongation tolerance, enabling easy wrapping around coils and complex geometries. Its dielectric performance supports reliable insulation in Class B systems (130 °C), while the coating contributes to oil resistance, humidity resistance, and reasonable flame retardancy. Typical use cases include winding insulation for motors, generators, transformers, and other electrical equipment, where it serves as a protective layer, liner, or coil insulation.
Data table
| Technical Data Sheet | |||||||||
| 2432 Alkyd Glass Cloth | |||||||||
| YA/RD-IM-003 | |||||||||
| Structure and Characteristics | |||||||||
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| Performance Index | |||||||||
| Indicator Name | Unit | Index Value | |||||||
| Appearance | — | The film should be uniform, free from air bubbles, wrinkles, damage, and impurities. The roll should not be damaged due to adhesion. Rolls should be neatly cut without unrolling. | |||||||
| Nominal Thickness | mm | 0.10 | 0.12 | 0.15 | 0.18 | 0.20 | 0.25 | ||
| Thickness Deviation | mm | ±0.01 | ±0.012 | ±0.018 | ±0.02 | ±0.025 | |||
| Breakdown Voltage | Room Temperature | Median Value | Kv | ≥5.0 | ≥6.0 | ≥7.0 | ≥8.0 | ≥9.0 | ≥10.0 |
| Minimum Value | 4.0 | 4.5 | 6.0 | 6.5 | 7.0 | 8.0 | |||
| Storage Requirements | |||||||||
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| Storage Period | |||||||||
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| Application Fields | |||||||||
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Note:The product specifications provided are for reference purposes only. Please refer to the actual product for final specifications. We also offer various sizes and thicknesses to meet your specific needs. For further customization, please contact us.
Application scenarios
Winding insulation for large and medium-sized motors and generators
Transformer coil insulation and padding
Slot liners and coil forms in electrical machinery
General wrapping insulation in electrical enclosures requiring Class B performance
Humidity- and oil-exposure environments where alkyd-based insulation is appropriate
FAQs
What is 2432 tape made from?
It is based on non-alkali glass fiber cloth impregnated with alkyd varnish and baked to form a stable, varnished cloth tape. This construction yields reliable dielectric performance and mechanical strength.
What insulation class does it meet?
Class B insulation rated up to 130 °C, suitable for many motor and transformer insulation schemes.
What are typical dimensions?
Common thickness ranges are 0.1–0.15 mm, width typically 20 mm, length 33 m per roll.
What are common applications?
Winding insulation, coil padding, slot liners, and general insulation for electrical machines and transformers.
Are there variant formulations?
Several variants exist (e.g., 2210/2212 oil varnished silk, 2310/2312 oil varnished synthetic cloth, 2432 alkyd varnished glass cloth, 2440 polyester varnished glass cloth, 2450 silicone varnished glass cloth) with different temperature ratings and properties. Choose according to the specific equipment requirements.
Testing standards and quality information
Dielectric strength and breakdown voltage depend on thickness and standard test methods (e.g., ASTM or IEC dielectric tests used by many manufacturers). For precise values, request the vendor’s test report for the specific batch.
Mechanical properties such as tensile strength and elongation are typically specified in supplier datasheets and are influenced by glass cloth grade and varnish formulation.
Temperature rating and Class B designation reflect performance up to 130 °C under standard test conditions.
Quality certifications (ISO or supplier-specific) can be verified with the supplier; look for documentation to confirm compliance.