Electrical insulation · engineered at scale
Precision sleeving for demanding electrical systems.
MUFENG manufactures silicone fiberglass sleeving across 1500–7000 V grades, 1–20 mm inner diameters and configurable colors for global industrial buyers.
RoHS report availableREACH report availableOEM / ODM support
CONFIGURABLE RANGE
1–20 mm · 1500–7000 V
30 acres
Manufacturing site
96
Medium- and high-speed braiding machines
6
Production lines
100,000 m
Daily capacity
2.5M m
Monthly capacity
Product range
Choose the construction and voltage grade for your application.
Explore nine product series across silicone-coated, silicone-rubber-core and PVC fiberglass sleeving.
1500 V
Silicone Fiberglass Sleeving 1500 V
Standard electrical insulation
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2500 V
Silicone Fiberglass Sleeving 2500 V
Balanced dielectric protection
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4000 V
Silicone Fiberglass Sleeving 4000 V
Higher-voltage equipment protection
View series7000 V
Silicone Fiberglass Sleeving 7000 V
Advanced dielectric applications
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4000 V
Silicone Rubber Fiberglass Sleeving 4000 V
Extruded silicone rubber core
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7000 V
Silicone Rubber Fiberglass Sleeving 7000 V
High dielectric protection
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1500 V
PVC Fiberglass Sleeving 1500 V
Flexible PVC insulation
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2500 V
PVC Fiberglass Sleeving 2500 V
Enhanced dielectric protection
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4000 V
PVC Fiberglass Sleeving 4000 V
Higher-voltage PVC insulation
View seriesManufacturing depth
From glass-fiber braiding to finished inspection.
Four specialized workshops and six production lines support controlled braiding, coating, heat treatment, cutting, inspection and packaging.
Explore ManufacturingBraiding
96 medium- and high-speed braiding machines
Coating
Two automated coating production lines
Inspection
Documented checks before dispatch
Packing
Automated cutting and packaging line
Application coverage
One material platform. Multiple electrical environments.
01
Home Appliances
Flexible insulation for internal wiring near heat-producing components.
Application details 02Electric Motors
Sleeving for lead wires and conductor groups in demanding motor assemblies.
Application details 03Power Equipment
Dielectric protection for electrical and power-system wiring.
Application details 04Electronics
Compact, flexible routing protection for electronic instruments and assemblies.
Application details 05Heating Equipment
Temperature-resistant insulation around electrical heating systems.
Application details 06Instruments & Communications
Clean wire management and insulation in instruments and communication devices.
Application detailsLatest resources
Technical notes and company updates.
Buyer questions
Technical answers before the first order.
Clear specifications, sampling and production coordination help shorten procurement decisions.
View All FAQsWhat specifications are available?
Standard configurations include white and black sleeving, 1–20 mm inner diameters and 1500 V, 2500 V, 4000 V or 7000 V grades.
Can size, material, color or process be customized?
Yes. Red, blue and yellow options and additional inner diameters can be reviewed against your technical requirements.
Can you provide samples?
Yes. Samples and technical data can be requested through the RFQ form.
Which applications are supported?
The sleeving is used across home appliances, power equipment, electronics, electrical equipment, instruments, communications, heating equipment and kitchen appliances.
Do you support OEM and ODM projects?
Yes. Share the target voltage, diameter, color, volume and operating requirements for technical review.
Engineer the right specification
Bring us the application. We’ll help define the sleeve.
Share the voltage grade, diameter, color, quantity and working conditions for a focused technical review.
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