Industries · Crematories
Cremkote High Emissivity Coating for Crematories
Cremation is a heat-transfer process, and its cost scales with every minute and every cubic foot of gas per cycle. Cremkote, Emisshield's coating engineered for cremation chambers, raises the emissivity of chamber refractory to 0.85 to 0.95 so units reach operating temperature faster, complete cycles on less fuel, and protect the lining through daily heat-up and cool-down. In the documented installation, coating the main chamber crown and walls and the afterburner walls cut energy use 21% with faster cycles and ROI under one year.
- 21% energy savings, faster cycles, ROI under one year
- Main and afterburner chambers · Cremkote coated crematory
01 · Applications
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What problems does Cremkote solve in a cremation chamber?
Long preheat before the first case of the day. Rising gas cost per cremation. Refractory spalling and dusting from daily cycling. Afterburner fuel burn to hold compliance temperature. Units aging out of spec. The coated chamber absorbs burner energy and re-radiates it uniformly instead of losing it to the flue, so preheat shortens, cycle times drop, and the sealed refractory surface resists the cracking that cycling inflicts.
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How does Cremkote perform on the primary chamber?
Applied to the crown and walls, Cremkote converts the refractory into a re-radiator aimed at the chamber load. In the documented installation, Cremkote was applied to the crown and walls of the main chamber and the walls of the afterburner chamber of natural-gas units operating at 1,850°F, on refractory brick with the hearth uncoated. Energy use fell 21%, cycle times shortened, and the project paid back in under a year.
Documented in
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How does Cremkote perform on the afterburner chamber?
The afterburner must hold its compliance temperature continuously. A coated secondary chamber re-radiates rather than reflects, so it holds temperature with less supplemental firing and supports more complete combustion, which steadies emissions performance.
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Can OEMs specify Cremkote on new units?
Yes. Cremation equipment manufacturers can have chambers coated before delivery, so the unit ships with the efficiency and refractory protection built in. See Parts & OEMs.
02
Documented results
| Asset | Case study | Result |
|---|---|---|
| Main and afterburner chambers | Cremkote coated crematory | 21% energy savings, faster cycles, ROI under one year |
03 · Case Studies
Crematories case studies
FAQ
Frequently Asked Questions
- How hot is a cremator?
- Modern cremation chambers operate at roughly 1,400 to 1,800°F (760 to 980°C), with afterburners typically held near 1,600°F or higher for emissions compliance. At those temperatures radiant transfer dominates, which is why chamber emissivity drives cycle time and fuel use.
- How much fuel can Cremkote save?
- The documented installation saved 21% on natural gas with faster cycles. Savings scale with caseload, and high-volume operators see payback fastest.
- Can an existing unit be coated, or only new ones?
- Both. Existing chambers are coated during scheduled maintenance; OEMs pre-coat new units.
- Does it affect emissions compliance?
- Steadier chamber and afterburner temperatures support cleaner, more complete combustion.
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