Magnetic Curing Could Cut Coating Time to One Hour

Spinheat heats coatings directly with magnetic nanoparticles, and its automotive viability is still being tested.

Updated on Nov. 3, 2026 in Materials Science

Isometric editorial illustration of a steel part inside an induction coil, with a glowing band of coating and embedded magnetic granules, evoking direct heating of industrial coatings.
Motherson Group and NTU Singapore are developing Spinheat, a magnetic induction method that heats industrial coatings directly to speed curing, though the technology remains at the early laboratory stage. AI Illustration. Upload story photo >

Live Poll

Do you think manufacturing is getting better for everyday consumers?

Motherson Group and NTU Singapore have entered a collaboration to develop Spinheat, a magnetic induction technology for speeding up curing of industrial coatings. The technology is at the early laboratory stage, so it should be read as research-stage rather than shipped or deployed.

Why it matters

Conventional curing relies on large ovens that heat both the coating and the component, and manufacturers are looking for less energy-intensive alternatives. Spinheat's approach of heating the coating directly fits that search, and the partnership moves it toward industrial testing.

The early laboratory figure is that comparable bonding strength is reached in about one hour, against 24 hours for conventional oven curing. These are lab results, and the collaboration will test how the process performs under industrial conditions, so the speedup has not been demonstrated at production scale.

The players

Motherson Group

A manufacturing group founded in 1986 that operates more than 475 facilities across 47 countries, with its Singapore subsidiary MSSL (S) Pte Ltd participating in the collaboration.

NTU Singapore

A research-intensive technological university in Singapore whose researchers developed the Spinheat magnetic curing technology.

The details

Spinheat embeds magnetic nanoparticles in adhesives and resins used in coatings. When the coated part is placed in an alternating magnetic field, those particles generate heat inside the coating itself, so the coating cures without the entire component being heated the way it is in an oven. Because the energy goes into the coating material directly, the approach is aimed at cutting both processing time and energy use.

Timeline

  1. November 3, 2026: Motherson and NTU Singapore announce the collaboration.

The Tech Race

Spinheat is pitched against conventional oven curing, the incumbent process it aims to displace. The collaboration moves the technology from laboratory results toward testing in industrial settings, including automotive manufacturing, which is the next stage it must clear.

Spinheat is at the early laboratory stage, with no availability or pricing announced. Manufacturers would only see it in use after industrial testing, and the automotive manufacturing trial is the next step before any practical rollout.

The takeaway

Watch whether the collaboration reports results from testing under industrial conditions, which is the threshold the technology has not yet cleared. A demonstration in automotive manufacturing would be the concrete milestone that tests the claimed time and energy savings.

Further reading

For more on the materials behind this work, see Materials Science.

Source note: This article includes information reported by Themachinemaker.

Live Poll

Do you think manufacturing is getting better for everyday consumers?