INDUSTRY COMPONENT

Insulation Sleeve

High-temperature insulation sleeve for cathode bar protection in electrolytic cells

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Component Specifications

Definition
A cylindrical insulating component designed to electrically isolate and thermally protect the cathode bar in electrolytic cells, preventing current leakage, short circuits, and thermal degradation while maintaining structural integrity in corrosive industrial environments.
Working Principle
Works by creating a dielectric barrier between the cathode bar and surrounding conductive elements, utilizing high-resistance materials to block electrical current flow while withstanding extreme temperatures and chemical exposure typical in electrolytic processes.
Materials
High-purity alumina ceramic (Al₂O₃ ≥ 99.5%) or silicon carbide composite with temperature resistance up to 1600°C, dielectric strength ≥ 15 kV/mm, thermal conductivity 20-30 W/m·K
Technical Parameters
  • Diameter Range 50-200 mm
  • Wall Thickness 5-15 mm
  • Volume Resistivity ≥ 10¹² Ω·cm
  • Dielectric Strength ≥ 15 kV/mm
  • Compressive Strength ≥ 200 MPa
  • Operating Temperature -40°C to 1600°C
  • Thermal Expansion Coefficient 6-8 × 10⁻⁶/K
Standards
ISO 2878, DIN 40685, IEC 60243

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Insulation Sleeve.

electrolytic cell insulation cathode bar sleeve high-temperature insulator ceramic insulation electrical isolation component industrial insulation metal production equipment Insulation Sleeve Insulation Sleeve in Basic Metal Manufacturing

Parent Products

This component is used in the following industrial products

Electrolytic Cell Cathode Bar

Conductive bar connecting cathode plates in non-ferrous metal electrolysis cells.

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Battery Cell Tab Connector

Electrical interface component connecting battery cell tabs to external circuits.

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Handle Connector

Electrical and mechanical interface component that connects the handle to the main body of a high-frequency electrosurgical electrode.

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Engineering Analysis

Risks & Mitigation
  • Thermal cracking due to rapid temperature changes
  • Dielectric breakdown from contamination
  • Mechanical damage during installation
  • Chemical degradation in corrosive environments
  • Improper fit causing electrical arcing
FMEA Triads
Trigger: Thermal shock from rapid temperature fluctuations
Failure: Cracking and loss of insulation integrity
Mitigation: Implement controlled heating/cooling cycles, use materials with low thermal expansion coefficients
Trigger: Chemical contamination from process materials
Failure: Reduced dielectric strength leading to electrical leakage
Mitigation: Regular cleaning protocols, protective coatings, material selection for chemical resistance
Trigger: Mechanical stress during installation/maintenance
Failure: Physical damage compromising insulation properties
Mitigation: Proper handling procedures, installation tooling, visual inspection protocols

Industrial Ecosystem

Compatible With

Interchangeable Parts

Compliance & Inspection

Tolerance
±0.5 mm on diameter, ±0.2 mm on wall thickness, surface roughness Ra ≤ 3.2 μm
Test Method
Dielectric strength test per IEC 60243, thermal cycling test ASTM C1171, dimensional verification per ISO 1101

Procurement Evaluation Criteria

Not customer reviews or live demand data. These dimensions support RFQ preparation and supplier evaluation.

Technical documentation
4/5
Manufacturing capability
4/5
Inspection readiness
5/5
Supplier transparency
3/5

These scores are example evaluation dimensions, not real customer ratings, country-specific buyer feedback, or live inquiry activity.

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Frequently Asked Questions

What is the primary function of an insulation sleeve in electrolytic cells?

To electrically isolate the cathode bar from surrounding conductive structures, preventing current leakage and short circuits while providing thermal protection in high-temperature environments.

What materials are commonly used for high-temperature insulation sleeves?

High-purity alumina ceramics and silicon carbide composites are standard due to their excellent dielectric properties, thermal stability up to 1600°C, and resistance to chemical corrosion.

How often should insulation sleeves be inspected in industrial applications?

Visual inspections should occur monthly, with comprehensive dielectric testing every 6-12 months depending on operating conditions, temperature cycles, and production intensity.

Can I contact factories directly?

Yes, each factory profile provides direct contact information.

Data Basis

CNFX manufacturer profiles, technical classification, publicly available product information, and ongoing plausibility checks.

Preliminary Technical Classification
This page supports structured research, RFQ preparation, and supplier evaluation. It does not replace buyer-led supplier qualification, standards review, or technical approval.

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