Coatings Comparison
Cool Touch vs Aerogel Blankets: Premium Thinness or Practical Film?
Cool Touch delivers personnel-burn protection and CUI elimination at a fraction of aerogel's material cost, but silica aerogel blankets remain the honest thermal-resistance leader at k 0.015–0.030 W/m·K when heat-loss economics justify the premium.
Silica aerogel blankets are the best conductor-stopper commercially available: nanoporous silica suppresses conduction to 0.015–0.024 W/m·K at ambient (rising to roughly 0.025–0.035 at industrial service temperatures), delivering mineral-wool-class R-values in a quarter of the thickness. They serve from cryogenic to 1,200°F in their respective grades, and their hydrophobic batting gives the best CUI story among wrap-on systems.
That performance is also the catch. Aerogel runs $8–50/ft² in materials — several times above coating costs — plus jacketing, plus cutting labor that multiplies on complex geometry, plus fragility that punishes high-traffic placement, plus the same shutdown logistics as conventional insulation. Cool Touch (Insulative Coat) attacks the same comfort-and-safety outcomes with film physics: ICP™-suppressed conduction (~0.05 W/m·K) plus 0.88–0.95 emissivity that radiates absorbed heat off the surface.
For specifiers, the choice is mission-driven. Where the job is touch-safety and corrosion-under-insulation control across a unit's 150–350°F balance of plant, Cool Touch is validated where it counts (TM21423: 41 mils holding a 239°F substrate to a 118°F touch surface), water-resistant with Rating-0 corrosion results, sprayed onto live equipment to 200°F, conformal to any geometry, and repairable with a roller. Where the economics are energy-loss driven — long steam runs, high differential temperatures, sub-ambient service, clearance-critical racks — aerogel earns its premium. The sections below cover both honestly.
Quick verdict
Best for
Cool Touch (Insulative Coat)
- Personnel protection and CUI control at a fraction of aerogel's cost (aerogel materials run $8–50/ft²)
- Live-equipment application to 200°F — blankets still need the shutdown
- Nozzle-dense, irregular geometry where blanket cutting and seaming gets expensive
- Abrasion-exposed locations: aerogel blankets are fragile and dusty to work
- Visual-inspection asset-integrity programs
Best for
Silica Aerogel Blankets
- Maximum thermal performance per inch — k 0.015–0.030 W/m·K is the category's honest crown
- Energy-conservation projects where heat-loss dollars justify premium materials
- Service beyond 350°F (high-temp grades to 1,200°F) and cryogenic systems
- Space-constrained congested racks needing the thinnest possible bulk insulation
Cool Touch vs aerogel blankets (side by side)
| Attribute | Cool Touch (NanoTech) | Silica Aerogel Blankets |
|---|---|---|
| k-value | ~0.05 W/m·K film | 0.015–0.024 ambient; ~0.025–0.035 at 300°F service — genuinely best-in-class |
| Form | Spray/brush/roll liquid film | Flexible fiber-batting blanket, cut and wrapped |
| Personnel protection (TM21423-validated) | 41 mils held a 239°F substrate to a 118°F surface (single coat) | ~0.5–1.5 inch wrap + jacketing |
| Material cost | Mid-market coating | $8–50/ft² — several times coating material cost |
| Install on live equipment | Yes, surfaces to 200°F | Generally shutdown work |
| CUI behavior | Eliminated by design — seamless water-resistant film, Rating 0 corrosion tests | Hydrophobic batting — genuinely good CUI story (the category's best among wraps) |
| Mechanical durability | Elastomeric, abrasion-tolerant, repaint-repairable | Fragile; damages in high-traffic zones; silica dust on cutting |
| Geometry | Conforms seamlessly to anything | Cut-fit-seam at every fitting; labor multiplies with complexity |
| Inspectability | Substrate visible | Wrapped and jacketed — hidden steel |
| Temperature range | To 350°F substrate (hot side) | To 1,200°F (high-temp grades); cryogenic versions to -200°C |
| Standards | NACE/AMPP TM21423, ISO 9227/6270-1/12944 | ASTM C1728, NACE SP0198 |
k-value: Aerogel thermal conductivity per manufacturer datasheets (e.g. Aspen Pyrogel XTE), which show k near 0.014 W/m·K at low temperature rising with mean service temperature.
Material cost: Per-ft² figures reflect published distributor and direct-sale pricing for industrial silica-aerogel blankets (e.g. Aspen Pyrogel XTE / Spaceloft grades); installed cost adds jacketing and labor on top.
Temperature range: Grade ranges per manufacturer datasheets (Pyrogel XTE to 1,200°F/649°C; Cryogel Z to -200°C); ASTM C1728 spans -196°C to 649°C.
Standards: ASTM C1728 is the Standard Specification for Flexible Aerogel Insulation; NACE/AMPP SP0198 is the standard practice for control of corrosion under thermal insulation.
Which approach is right for your use case?
Burn-hazard compliance across a unit's 150–350°F piping
Pick: Cool Touch (NanoTech)Both solve touch-safety; one solves it for a fraction of the spend. Aerogel's $8–50/ft² materials (plus jacketing, plus shutdown) buy thermal performance the burn-safety mission doesn't need — TM21423 validates Cool Touch touch-safe in a single 41-mil coat. Spend the difference on more linear feet.
High-value heat-conservation line where every BTU is billed
Pick: Silica Aerogel BlanketsWith conductivity well below any coating — the gap widest at ambient and still meaningful at industrial service temperatures — aerogel is the honest king of heat retention per inch. When the project economics are energy-loss driven — long steam runs, high differential temperatures, costly process heat — premium blanket systems pay their way.
Live 180°F vessel that can't come down this year
Pick: Cool Touch (NanoTech)Blanket installation around operating equipment is slow, awkward, and usually deferred to turnaround. Cool Touch's mist-coat application on surfaces to 200°F closes the safety finding now.
Congested pipe rack with two inches of clearance
Tie / dependsAerogel built its reputation in tight racks (half-inch wraps replacing three-inch wool). But if the line's need is touch-safety rather than heat retention, an 80-mil film is thinner still. Clearance favors both over conventional bulk; mission picks between them.
Walkway-adjacent equipment taking regular contact and abrasion
Pick: Cool Touch (NanoTech)Aerogel blankets are famously fragile — scuffing sheds performance and silica dust, and damaged sections mean re-wrap. An elastomeric film takes the traffic and repairs with a brush.
Cryogenic or dual-temperature LNG service
Pick: Silica Aerogel BlanketsBelow-ambient is blanket-and-block territory; cryogenic aerogel grades run to -200°C. Cool Touch's lane is hot-side personnel protection and CUI elimination — we don't pretend otherwise.
Where aerogel blankets are the better pick
Aerogel is the best conductor-stopper commercially available, and no honest coating company disputes it: nanoporous silica suppresses conduction to 0.015–0.024 W/m·K at ambient (rising to roughly 0.025–0.035 at industrial service temperatures — still comfortably ahead of every alternative). It delivers mineral-wool-class R-values in a quarter of the thickness, serves from cryogenic to 1,200°F in its respective grades, and its hydrophobic batting gives it the best CUI story among wrap-on systems. For energy-conservation economics, congested racks, and extreme temperature service, aerogel earns its premium.
That premium is the catch: $8–50/ft² in materials — several times above coating costs — plus jacketing, plus cutting labor that multiplies on complex geometry, plus fragility that punishes high-traffic placement, plus (in most practice) the same shutdown logistics as conventional insulation. Buying aerogel for a touch-safety problem is buying a race car to fetch groceries.
How the technologies differ
Aerogel blankets suppress conduction with nanostructure: pores smaller than air's mean free path strangle gas-phase heat transfer through a flexible batting. It is bulk insulation perfected — and priced like it, installed like it (cut, wrap, seam, jacket), and inspected like it (steel hidden until unwrapped).
Cool Touch attacks the same comfort-and-safety outcomes with film physics: ICP™-suppressed conduction (~0.05 W/m·K) plus 0.88–0.95 emissivity that radiates absorbed heat off the surface — a vector bulk insulation doesn't use. The result is validated where it counts (TM21423: 41 mils holding a 239°F substrate to a 118°F touch surface), water-resistant with Rating-0 corrosion results, applied by spray to live equipment, conformal to any geometry, and repairable with a roller. Aerogel optimizes thermal resistance; Cool Touch optimizes the mission most plants actually have — safe surfaces, dry steel, zero downtime — at a price that scales across the whole unit.
Related pages
Cool Touch product page
Full product spec, test data, application surfaces, and downloadable Technical Manual / TDS / SDS for the Insulative Coat (Cool Touch) system.
Cool Touch vs Mineral Wool & Jacketing
How a seamless insulative film compares to the conventional mineral-wool-plus-jacketing approach on cost, CUI, and inspectability.
Cool Touch vs Ceramic Microsphere Coatings
How the ICP™ platform compares to older ceramic-microsphere thermal barrier chemistry on applied thickness, application time, and installed cost.
Cool Touch vs Cellular Glass Insulation
How Cool Touch compares to rigid cellular-glass insulation for personnel protection and corrosion-under-insulation control.
Frequently asked questions
Is aerogel insulation better than an insulative coating?
How much does aerogel blanket insulation cost versus a coating?
Does aerogel prevent CUI like a coating does?
When is aerogel clearly the right choice over Cool Touch?
Can the two be used together?
Get the honest spec for your line list
Send service temperatures, geometry, and what the project is actually solving for — safety, energy, or integrity. We'll show you where Cool Touch wins, and where the premium blanket genuinely earns its price.