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Home > Industrial Equipment & Components > Other Equipment & Components > Embedded Insulating Sleeve for Transformer Coil Protection, 600V, 1.5mm Thickness, High Heat Resistance

Embedded Insulating Sleeve for Transformer Coil Protection, 600V, 1.5mm Thickness, High Heat Resistance

Embedded Insulating Sleeve for Transformer Coil Protection, 600V, 1.5mm Thickness, High Heat Resistance thumbnail-3

Embedded Insulating Sleeve for Transformer Coil Protection, 600V, 1.5mm Thickness, High Heat Resistance thumbnail-4

Embedded Insulating Sleeve for Transformer Coil Protection, 600V, 1.5mm Thickness, High Heat Resistance thumbnail-5

Embedded Insulating Sleeve for Transformer Coil Protection, 600V, 1.5mm Thickness, High Heat Resistance photo-1

Embedded Insulating Sleeve for Transformer Coil Protection, 600V, 1.5mm Thickness, High Heat Resistance photo-2

Embedded Insulating Sleeve for Transformer Coil Protection, 600V, 1.5mm Thickness, High Heat Resistance photo-3

Embedded Insulating Sleeve for Transformer Coil Protection, 600V, 1.5mm Thickness, High Heat Resistance photo-4

Embedded Insulating Sleeve for Transformer Coil Protection, 600V, 1.5mm Thickness, High Heat Resistance photo-5

Product Spotlights

High heat resistance (up to 200°C) with 600V rating; 1.5mm flexible thickness for easy installation; customized sizes and lengths; direct from 1998 manufacturer with global export experience; RoHS compliant; cost-effective for transformer coil protection.

Negotiable MOQ: 1 Piece (Price negotiable depending on order volume and customization)

Key Specifications

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Material:

High-temperature resistant fiberglass/polyester composite

Thickness:

1.5 mm

Voltage Rating:

600 V

Contact Supplier Request Quote Chat Now

Anping County Boli Hardware Wiremesh Products Factory

2Yrs

Payment & Shipping

Payment Methods:

Port of Shipment:

tianjin shanghai qingdao

Delivery Detail:

Delivery time depends on order quantity.

Product Details
Company Profile
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Material High-temperature resistant fiberglass/polyester composite

Thickness 1.5 mm

Voltage Rating 600 V

Color White / Customizable

Application Transformer coil protection, electrical insulation

Heat Resistance High heat resistance (up to 200°C, contact factory for details)

Size Customizable (inner diameter, length)

Packaging Rolls or cut pieces per customer request

As a leading manufacturer since 1998, Anping County Boli Hardware Wiremesh Products Factory specializes in high-performance insulation solutions for electrical components. Our Embedded Insulating Sleeve for Transformer Coil Protection (600V, 1.5mm thickness) is engineered to provide robust thermal and electrical insulation for transformer coils in demanding environments. With annual export revenue exceeding US$5 million, we serve global markets including North America, Europe, and Southeast Asia, ensuring consistent quality and reliable supply chain.

This embedded insulating sleeve is designed to wrap around transformer coils, offering a seamless barrier against electrical shorts, moisture, and thermal stress. The 1.5mm thickness strikes an optimal balance between flexibility and mechanical strength, while the 600V rating ensures safe operation in medium-voltage applications. Its high heat resistance allows continuous operation in elevated temperatures, reducing the risk of insulation degradation over time.

Key Features & Technical Specifications

Material Composition: Made from a specialized blend of fiberglass fabric and polyester resin, offering excellent dielectric strength and thermal stability.
Voltage Rating: 600V AC/DC – suitable for low to medium voltage transformer coils, motors, and generators.
Thickness: 1.5mm ± 0.1mm – provides adequate insulation without adding excessive bulk to the coil assembly.
Thermal Class: Rated for continuous operation up to 200°C (Class H equivalent), with short-term peak tolerance up to 250°C (contact factory for specific test data).
Mechanical Properties: High tensile strength, abrasion resistant, and flexible enough to conform to irregular coil shapes.
Environmental Resistance: Resistant to moisture, oil, and mild chemicals commonly found in transformer oil environments.
Customization: Available in various inner diameters (from 10mm to 200mm) and lengths (cut to order or in continuous rolls).

Parameter	Specification	Notes
Dielectric Strength	≥ 15 kV/mm	Tested per ASTM D149
Tensile Strength	≥ 200 N/cm	Longitudinal direction
Flammability	Self-extinguishing (UL 94 V-0 equivalent)	Contact factory for formal certification
Operating Temperature	-40°C to +200°C	Continuous; peak 250°C short-term
Color	White (standard), other colors available	Custom colors on request

Advantages for Your Application

Enhanced Protection: The embedded design ensures the sleeve stays in place during coil winding and impregnation, eliminating gaps that could lead to partial discharge.
Long Service Life: High heat resistance reduces thermal aging, extending the lifespan of transformers and reducing maintenance costs.
Easy Installation: Flexible yet sturdy material can be easily cut and applied without special tools, saving labor time.
Consistent Quality: Our factory uses strict quality control (ISO 9001 management system – contact for details) to ensure each sleeve meets dimensional and electrical tolerances.
Cost-Effective: Direct manufacturer pricing with competitive rates for bulk orders; samples available for evaluation.

Backed by decades of manufacturing expertise and a global export network, Anping County Boli Hardware Wiremesh Products Factory delivers insulation components trusted by transformer OEMs worldwide. With shipping ports in Tianjin, Qingdao, Shanghai, and Foshan, we offer efficient logistics to North America, South America, Europe, Africa, and Asia. Our annual export value of US$5–10 million reflects our commitment to quality and customer satisfaction.

We invite you to test our Embedded Insulating Sleeve in your transformer coils. Contact us for a free sample, customized sizes, or technical consultation. Our team is ready to support your project with reliable, high-performance insulation solutions.

Frequently Asked Questions (FAQ)

What is the maximum voltage this sleeve can handle?
The sleeve is rated for 600V AC/DC. For applications above 600V, please consult our engineering team for custom solutions.
Can this sleeve be used in oil-filled transformers?
Yes, the material is resistant to transformer oil and moisture. However, long-term immersion tests should be conducted per your specific oil type.
What is the minimum order quantity (MOQ)?
MOQ is 100 meters for standard sizes. Smaller quantities may be available for sample orders.
Do you offer custom lengths or diameters?
Absolutely. We can produce sleeves with inner diameters from 10mm to 200mm and any length up to 1000 meters per roll. No extra tooling charges for standard customization.
How does the 1.5mm thickness compare to other insulation options?
It provides a good balance of insulation strength and flexibility. Thicker options (2mm, 3mm) are available for higher voltage or mechanical protection.
Is this product RoHS compliant?
Yes, our sleeves are manufactured using RoHS-compliant materials. Certificates can be provided upon request.
What is the lead time for bulk orders?
Typically 15–25 working days after order confirmation, depending on quantity and customization.
Can I get a sample before placing a large order?
Yes, samples are available for a nominal fee (refundable with first order). Contact us to arrange.