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Design & Materials

Cable Jacket Material Selection Guide

Jacket material should be chosen from the use environment, routing, flexibility, abrasion, temperature, oil, moisture, UV, cleaning exposure, marking, and required documents. Name the material and the reason for it in the RFQ.

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Decision summary

What to carry into the decision

  • Choose a jacket from the actual exposure, movement, routing, termination, and document needs.
  • Translate broad labels such as outdoor, oil resistant, or high flex into conditions and a validation method.
  • Check stripping, molding, connector sealing, marking, and downstream assembly before changing material.
In this guide
  1. 1Direct answer
  2. 2Material selection table
  3. 3RFQ checklist
  4. 4Tie material to the assembly
  5. 5Material decision table
  6. 6Do not approve material by trade name alone

Use the sections in sequence, then turn the open items into one controlled build or sourcing package.

Direct answer

Select cable and jacket materials after identifying construction, flexing, abrasion, oil, moisture, UV, cleaning, temperature, color, marking, shielding or covering, and any document requirement. MTTJ can discuss PVC, PE, PP, PU / TPU, TPE, PTFE, silicone, and specified shielding or covering structures only where the project scope calls for them.

Material selection table

The material name alone is not enough; the application reason should also be stated.

FlexibilityHandheld, retractable, bend, or moving routing requirements.
EnvironmentMoisture, oil, UV, abrasion, temperature, cleaning, or outdoor exposure.
ProcessingStripping, crimping, soldering, overmolding, marking, and packing needs.
DocumentsMaterial, inspection, shipment, or target-market records requested with the inquiry.

RFQ checklist

Add these details when jacket material is important to the build.

  • Preferred material or required material document type.
  • Cable OD, color, print, marking, stripe, flexibility, and bend constraints.
  • Exposure to heat, oil, UV, moisture, cleaning, abrasion, or repeated motion.
  • Whether the jacket must work with overmolding, seals, connectors, or labels.

Tie material to the assembly

Select jacket material from the cable construction, use environment, connector and overmolding fit, and required material or target-market documents.

Material decision table

Use conditions that can be checked, not only marketing labels.

ExposureTemperature, moisture, cleaning, oil or chemical contact, UV, abrasion, dust, and duration.
MovementStatic route, bend radius, repeated flex, torsion, coil forming, drag, and vibration.
Assembly fitOutside diameter, stripping, seal range, connector entry, molding, marking, and packing.
EvidenceNamed material, component data, target-market documents, test method, and acceptance limit.

Do not approve material by trade name alone

A family or trade name may include multiple grades. Record the exact material or cable construction and the evidence needed for the intended use, then control any proposed change through the drawing and BOM process.

Material context

Jacket layers, routing, and end preparation

Compare the visible jacket, bend area, strip transition, molded exit, and marking with the exposure and processing conditions in your specification.

Generic multiconductor cable construction examples
Multiconductor construction examplesThe image shows multiconductor cable examples with visible conductor and jacket arrangements. Use the construction drawing to specify materials, dimensions, and required documents.
Illustration of cable constructions with different jacket shapes and conductor layouts
Jacket and construction optionsJacket choice should be checked with conductor layout, shielding, OD, flexibility, connector fit, and overmolding needs.
Cable cross-section diagram showing conductor, insulation, filler, shield, separator, and jacket layers
Layered cable constructionA jacket decision is only one layer of the cable construction and should be tied to the full assembly scope.

Practical questions

Questions this guide answers

Is one jacket material best for every harsh environment?

No. Temperature, liquid contact, UV, abrasion, flex, cleanliness, diameter, processing, cost, and component-document needs can point to different constructions.

What should an oil-resistance request include?

Name the fluid or relevant method, concentration if applicable, temperature, exposure time, motion or stress during exposure, and the acceptable change after testing.

Can a jacket substitution affect connectors or overmolding?

Yes. Outside diameter, hardness, adhesion, stripping behavior, seal fit, strain relief, and molding interaction may change. Compare those interfaces before authorizing a substitute.

Continue the review

Related resources and manufacturing scope

Request a quote

Send the jacket exposure profile

List temperature, moisture, oil or chemical contact, and UV exposure. Describe abrasion, flexing, cleaning, and routing. Add dimensions and marking. Then identify required documents, tests, and quantity.

Start an RFQ