Insulation/Shielding: Thickness 2-10 mm

Component Specifications

Definition

A critical component in magnet assemblies designed to isolate magnetic fields, prevent electromagnetic interference (EMI), and provide thermal insulation to maintain optimal operating temperatures. It serves dual functions of containing magnetic flux within designated pathways while protecting surrounding components from heat transfer and electromagnetic radiation.

Working Principle

Operates on principles of electromagnetic shielding using conductive materials to create Faraday cage effects that redirect or absorb electromagnetic fields, combined with thermal insulation materials that reduce heat transfer through conduction, convection, and radiation mechanisms.

Materials

Multi-layer construction typically including: conductive layers (copper, aluminum, mu-metal), dielectric layers (ceramic, polymer composites), thermal barriers (aerogel, mineral wool), and protective coatings (epoxy, silicone). Material selection depends on required shielding effectiveness (dB), thermal conductivity (W/m·K), and operating temperature range.

Technical Parameters

Parameter	Typical range	Notes & selection driver
Thickness	2-10 mm
Dielectric Strength	>5 kV/mm
Thermal Conductivity	0.02-0.1 W/m·K
Operating Temperature	-40°C to 200°C
Shielding Effectiveness	40-80 dB at 100 MHz

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Standards

ISO 1853, ISO 22007, DIN 53483, DIN 54836

Parent Products

This component is used in the following industrial products

Magnet Assembly

A magnetic component assembly designed for integration into float systems to provide controlled magnetic force.

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Engineering Analysis

Risks & Mitigation

Delamination under thermal cycling
Corrosion of conductive layers
Reduced shielding effectiveness over time
Thermal degradation at high temperatures

FMEA Triads

Trigger: Material fatigue from thermal cycling
Failure: Cracking or delamination of shielding layers
Mitigation: Implement thermal stress analysis during design, use flexible adhesives, and conduct accelerated life testing

Trigger: Environmental corrosion
Failure: Reduced conductivity and shielding effectiveness
Mitigation: Apply protective coatings, select corrosion-resistant materials, and implement regular inspection protocols

Industrial Ecosystem

Compatible With

Typical Suppliers & Equivalents

Compliance & Inspection

Tolerance

±0.5 mm dimensional tolerance, ±10% shielding effectiveness, ±15% thermal resistance

Test Method

ASTM D4935 for shielding effectiveness, ASTM C518 for thermal conductivity, MIL-STD-461 for EMI testing

Procurement Evaluation Criteria

A practical evidence checklist for RFQ preparation and supplier evaluation.

Technical documentation

Request current drawings, revision history, and a signed specification sheet.

Manufacturing capability

Verify equipment lists, process limits, capacity, and representative production evidence.

Inspection readiness

Confirm test methods, calibrated equipment, sampling plans, and traceable reports.

Supplier transparency

Check the legal entity, factory address, ownership, certifications, and direct contacts.

CNFX does not score or rank suppliers. Buyers must verify all claims and documents with the legal manufacturer before ordering.

Manufacturers of Insulation/Shielding

Manufacturer profiles associated with Insulation/Shielding.

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Compiled and source-reviewed by the CNFX editorial team. Each manufacturer above links to the page on that company's own website where the product is listed, with the date we checked it. How we source and review

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Frequently Asked Questions

What are the key performance indicators for insulation/shielding components?

Primary KPIs include shielding effectiveness (measured in dB), thermal conductivity, dielectric strength, temperature resistance, and mechanical durability under vibration and thermal cycling conditions.

How does material selection affect shielding performance?

Conductive materials like copper provide excellent high-frequency shielding, while mu-metal is superior for low-frequency magnetic fields. Multi-layer designs combine different materials to achieve broadband protection across various frequency ranges.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records. See the editorial policy.

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.

Insulation/Shielding