Description
Key features
Pure cotton fiber construction for strength and pliability
Suitable for electrical insulation, winding interlayers, and lining
Flexible, easy-to-wrap, and tear-resistant
Temperature tolerance aligned with common insulation classes (based on variant)
Compatible with standard insulation adhesives and processing methods
Main parameters
Thickness: 0.13–0.8 mm (0.005″–0.03″)
Width: 10, 15, 20, 25, 30, 50 mm (1/2″–2″)
Typical color: natural cotton beige
Maximum service temperature: dependent on formulation (see variants)
Roll length: commonly 50–100 meters per roll (custom lengths available)
Data table (example variant)
| White Cloth Tape (White Gauze Tape) – Product Specifications | |
|---|---|
| Parameter | Specification |
| Material | 0.15 mm thick coated cloth tape (Polyester fiber 65% + Cotton 35%) 0.20 mm thick coated cloth tape (Polyester fiber 60% + Cotton 40%) |
| Weaving Process | Plain weave (woven by high-speed loom) |
| Thickness | 0.15 mm / 0.20 mm (±0.02) |
| Density | Medium to high density |
| Width | 25 mm ± 0.01 |
| Length | As per customer requirement, ±0.8 m per roll |
| Color | White / Natural (slight color variation allowed) |
| Tensile Strength at Break | Approx. 100 – 300 N |
| Elongation | 10% |
| Heat Resistance | 180°C |
| Electrical Insulation Performance | After impregnation with insulating varnish, dielectric strength can reach 10 – 30 kV/mm |
| Edge Smoothness | No obvious loose edges or edge fraying |
| Splice Quantity | Up to 2 splices per roll allowed; each section not less than 2 m; splice ratio shall not exceed 10% per roll |
| Edge Condition | No loose edges, tight edges, curled edges, rolled edges, or thick edges that affect usage |
| Broken Warp Condition | No single broken warp longer than 100 mm; no double broken warp longer than 30 mm |
| Foreign Matter | None |
| Contamination Condition | No rust, oil stains, or contamination; contamination length and width ≤ 14 mm |
| Packaging | Inner shrink film packaging, outer carton packaging |
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.
Applications
Winding insulation for motors and transformers
Inter-turn insulation in rotors and stators
Gap fillers and lining in electrical equipment
General purpose insulation strips in electrical and electronic assemblies
Compliance and testing standards
IEC 60228 electrical insulation class rating per material variant
IEC 60335 or equivalent safety standards for consumer/electrical devices
RoHS compliance for lead and hazardous substances (where applicable)
Flammability ratings per material specification (e.g., UL 746C, IEC 60695)
Peel adhesion and tack tests per ISO/ASTM standards for pressure-sensitive tapes (if adhesive-backed)
Tensile strength and elongation per ISO 37/IEC 60751 family
Application scenarios
Motor winding insulation in slot and layer configurations
Mechanical protection for electrical conductors
Temporary masking during varnishing or coating processes
Packaging and bundling in low-voltage electrical assemblies
FAQs
What is cotton cloth tape used for in electrical insulation?
It provides mechanical strength, flexibility, and insulation between windings and components.
What thickness options are available?
Ranges commonly from 0.13 mm to 0.8 mm, with narrower or wider options based on supplier.
Can the tape be adhesive-backed?
Some variants include a pressure-sensitive adhesive; non-adhesive versions are also available for wrap-only applications.
What temperatures can it withstand?
Temperature capability depends on the variant; refer to the product spec sheet for the exact class rating.
Is the tape flame-retardant?
Some versions offer flame-retardant additives or coatings; verify the specific product data.
Are there any certification marks?
Look for RoHS, CE, UL, or other regional certifications on the data sheet and certificates of conformity.