Free engineering decision test · 2026

Industrial insulation system fit test

Screen temperature, geometry, exposure, access and substrate into a transparent system route. Download the rules and preserve the unresolved checks before specification.

In brief

The system format comes before the product name

Enter seven duty conditions. The test returns one of six distinct system routes, removes material families outside the entered temperature limit, and exposes every remaining design check. It is a screening record, not a hidden recommendation score.

7duty inputs

6system routes

0black-box scores

Inzonex: Some materials in this database are rated to 1000 °C or above. Standard Inzonex projects usually address duties up to +600 °C; the allowable temperature of the complete engineered assembly must be confirmed for the specific application.

FAQ

Questions about the fit test

What does the insulation system fit test decide?

It screens the entered duty into a system route, material families that remain within the stated temperature limit, a jacketing route and a checklist of unresolved design checks. It does not select a product or calculate final thickness.

Why does the test ask about geometry and maintenance access?

A straight pipe that stays closed can use fixed pipe sections or wired mat. A valve, flange or machine opened for maintenance needs a removable system if the insulation is expected to be refitted. The same material can therefore belong in one system and fail in another.

Does the first material in the result mean it is best?

No. The list is a screened family set, not a product ranking. A space constraint moves thin-profile families forward, but current datasheets, fire, water, CUI, mechanical and installed-cost requirements still govern the decision.

Can this test specify insulation over stainless steel?

No. It adds a chloride, water-ingress and CUI/SCC verification step, but the project specification and exact product chemistry must be checked by the responsible engineer.

What data can I download?

The rules JSON records the complete decision tree and material limits used by the test. The route CSV lists the six distinct result routes. A blank CSV lets a team preserve inputs, result and verification status outside the browser.

Open decision graph

Six routes, each connected to an existing owner

The test does not create a disposable result page for every input combination. It links each materially different decision to the relevant system, material, data and calculator owners.

Sealed cold-insulation route

Closed-cell insulation with a continuous vapour-control layer

Open the engineering route

Hot removable-cover route

Engineered removable covers for maintainable components

Open the engineering route

High-temperature textile or panel route

Temperature-qualified high-temperature blanket or panel system

Open the engineering route

Load-bearing rigid-system route

Rigid sections or boards beneath mechanically suitable protection

Open the engineering route

Fixed pipe-insulation route

Pipe sections or wired mat with a continuous jacket

Open the engineering route

Fixed equipment-insulation route

Boards, slabs or blanket system matched to the geometry

Open the engineering route

Download and audit

The rules are public data

Use the JSON to inspect the complete branching logic, the route CSV to map the result graph, and the blank record to preserve an engineering review outside the browser.

Rules JSON Routes CSV Blank record Reuse notes

Diagram of six industrial insulation system decision routes — Original Inzonex route map. It describes screening logic, not measured product performance.

Screen the system

Temperature, geometry and access decide whether the assembly must be cold-sealed, removable, load-bearing or fixed.

Screen families

Remove families outside the entered temperature limit; preserve source-coverage status and exclusions.

Complete design checks

Verify the exact grade and run thermal, fire, water, CUI and mechanical checks before specification.

Result route	System format	Permanent owner	Families screened
Sealed cold-insulation route	Closed-cell insulation with a continuous vapour-control layer	Owner route	Cellular glass, Elastomeric foam, PIR/PUR rigid foam
Hot removable-cover route	Engineered removable covers for maintainable components	Owner route	E-glass needle mat, Stone wool, Aerogel blanket, Silica needle mat, AES/ceramic-fibre blanket
High-temperature textile or panel route	Temperature-qualified high-temperature blanket or panel system	Owner route	Silica needle mat, Microporous panel, AES/ceramic-fibre blanket
Load-bearing rigid-system route	Rigid sections or boards beneath mechanically suitable protection	Owner route	Calcium silicate, Expanded perlite, Cellular glass
Fixed pipe-insulation route	Pipe sections or wired mat with a continuous jacket	Owner route	Stone wool, Glass wool, Calcium silicate, Expanded perlite, Aerogel blanket
Fixed equipment-insulation route	Boards, slabs or blanket system matched to the geometry	Owner route	Stone wool, Glass wool, Calcium silicate, Aerogel blanket, Microporous panel