Acrylic Coated Fiberglass Sleeves – F Class

Acrylic Coated Fiberglass Sleeves – F Class Electrical Insulation Sleeving

Acrylic Coated Fiberglass Sleeves – F Class are reliable electrical insulation bushings designed for wiring insulation and mechanical protection in a wide range of electrical and household applications. These sleeves are manufactured by braiding alkali-free glass fiber and coating it with modified acrylic resin insulating paint, followed by controlled heating and drying for enhanced durability and stability.

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Acrylic Coated Fiberglass Sleeves – F Class Electrical Insulation Sleeving

The alkali-free fiberglass braid provides strong mechanical support and insulation, while the acrylic resin coating improves flexibility, elasticity, fray resistance, and surface smoothness. Rated for Class F (155 °C) insulation systems, these sleeves offer dependable heat resistance and consistent electrical performance under normal operating conditions.

Acrylic coated fiberglass sleeves are widely used in motors, electrical appliances, meters, radios, household appliances, and general electrical equipment, where flexibility, insulation safety, and ease of installation are essential. Their RoHS compliance and customizable color options make them suitable for modern, environmentally conscious manufacturing requirements.

Product Details

Product Name

Acrylic Coated Fiberglass Sleeve

Insulation Class

Class F

Thermal Rating

155 °C

Operating Temperature

–30 °C to +155 °C

Base Material

Non-alkali braided fiberglass

Coating Material

Modified Acrylic Resin

Size Range

Available in multiple inner diameters

Color Options

Natural, Red, Black, Grey (others on request)

Typical Applications

Motors, generators, transformers, wiring, cable assemblies

End Use Industries

Electrical equipment, appliances, lighting, machinery

Technical Data – Acrylic Coated Fiberglass Sleeves (F Class)

Items	Technical Parameters	Reference Standard
Appearance	The coating should be uniform and smooth, with no defects affecting product performance	GB/T 7113.4-2011
Insulation Resistance (Ω)	≥ 1.0 × 10⁹	GB/T 7113.2-2014
Resistance to Welding Heat	Through (only for hose with nominal inner diameter ≤ 5 mm)	GB/T 7113.2-2014
Bendability After Heating	No visible cracks or peeling of the coating; color darkening allowed	GB/T 7113.2-2014
Bendability at Low Temperature	No visible cracks or peeling of the coating (Test temperature: ≤ −15 ~ −18°C)	GB/T 7113.2-2014
Paint Resistance to Hydrolysis	No coating migration, no adhesion between hose and paper, and no paper discoloration	GB/T 7113.2-2014
Breakdown Voltage	See reference standard	GB/T 7113.2-2014