Double Insulated Sleeve

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Our double insulated sleeve is made using composite materials including high heat resistant resin and alkali-free glass fiber in accordance with scientific formula and specific manufacturing techniques. It has characteristics such as high mechanical strength, high dielectric permittivity, and high corrosion resistant, as well as excellent anti-fatigue properties. Based on these features, this product can find its widespread applications in various electrical equipment, motors, and electrical tools for shaft insulation function. To sum up, the advantages of this product include:

1. This is a high quality product. It comes with high mechanical strength, high size precision, and small inner and outer diameter tolerance (within ±0.0150mm), as well as high withstand voltage of 6.8KV (the highest standard at home and abroad: 5KV).
2. Our double insulated sleeve can be directly assembled to shafts, which simplifies assembly process and reduces assembly cost.
3. Our product is eco-friendly, without dust produced by BMC materials. So, it will do no harm to people and their surroundings.
4. In addition, this product is compliant with ROHS standards.

Technical Specifications

Items	Data
Raw Material	Fiberglass
Size	Diameter of bore: > 6mm Thickness range: 0.6-30mm
Color	Semitransparent, light green or other colors can be customized.
Compressive strength	10-12/MM(KV)
Heat resistance	155/180/220(℃)
Flammability	Good
Dielectric strength	7.9MV/m
High voltage tests	5000 V
Class of insulation	H class
UL 94 flammability rating	94HB class
Standard tolerance	Inner diameter: ±0.0010" ±0.025mm
	External diameter: ±0.0005" ±0.0125mm
	Length: ±0.010" ±0.25mm
	Concentricity (TIR) 0.004" 0.10mm
UL flammability rating	E grade: 110℃ B grade:130℃ F grade: 150℃ H grade:180℃

Product Testing Report


Class F1 Test Report in French-01	Class F1 Test Report in French-02	Class F1 Test Report in French-03	Class F1 Test Certificate in French-01

Class F1 Test Report in English-01	Class F1 Test Certificate in English-01	Class I2 Test Report in French-02	Class I2 Test Report in French-03

Class I2 Test Certificate in French-01	Class I2 Test Report in English-02	Class I2 Test Report in English-03	Class I2 Test Certificate in English-01

Related Names
Insulation Bush for Sale | Composite Material | Electrical Machine Pipe

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