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The Alcon TEM.100440 Pro-System Rotor Temperature Paint Kit is a professional-grade thermochromic paint system engineered to give drivers and brake engineers a permanent, visual record of peak disc rotor temperatures after every track session or performance drive. Three indicator paints, each formulated to a precise color-change threshold, map the full brake operating spectrum from 0 to 800 degrees C (0 to 1471 degrees F) in a single application. Compatible with cast iron, coated, and carbon-ceramic rotors on any vehicle, the TEM.100440 removes guesswork from pad compound selection, cooling decisions, and brake system diagnostics.
Key Features
- Compatible with cast iron, carbon-ceramic, drilled, slotted, and coated disc rotors on any vehicle make or model.
- Three thermochromic paints covering the complete brake disc temperature spectrum from 0 to 800 degrees C (0 to 1471 degrees F).
- Red paint changes from red to white at 630 degrees C (1166 degrees F) — indicates extreme motorsport thermal exposure requiring immediate review of compound, cooling, and rotor condition.
- Color changes are permanent and irreversible, providing a reliable post-session peak temperature record.
- 10-minute sustained threshold eliminates false readings from brief temperature spikes.
- 1 bottle of Green temperature indicator paint (changes to white above 458 degrees C / 856 degrees F).
Fitment
| Years | Make | Model | Submodel / Notes |
|---|---|---|---|
| Universal or specification-matched service product. Verify the exact Alcon part number, dimensions, material compatibility, and intended brake-system use. | |||
Specifications
| Brand | Alcon |
|---|---|
| Manufacturer Part Number | TEM.100440 |
| Product Type | Brake Hardware |
| Condition | New |
| Part Number (MPN) | TEM.100440 |
| Temperature Range | 0 to 800 degrees C (0 to 1471 degrees F) |
| Color Stages | 6 (three paints, two visual change stages each) |
| Green Paint Threshold | 458 degrees C (856 degrees F) — changes to white |
| Orange Paint Threshold | 550 degrees C (1022 degrees F) — changes to yellow |
| Red Paint Threshold | 630 degrees C (1166 degrees F) — changes to white |
| Trigger Duration | 10 minutes sustained at or above threshold |
| Surface Compatibility | Cast iron, carbon-ceramic, coated, drilled, slotted rotors |
| Fitment | Universal — fits any vehicle with disc brakes |
What's Included
- 1 bottle of Green temperature indicator paint (changes to white above 458 degrees C / 856 degrees F)
- 1 bottle of Orange temperature indicator paint (changes to yellow above 550 degrees C / 1022 degrees F)
- 1 bottle of Red temperature indicator paint (changes to white above 630 degrees C / 1166 degrees F)
- 3 brush applicators (one dedicated applicator per paint color)
- 1 bottle of solvent/thinner for paint removal and brush cleaning
- Temperature color reference chart
- Application instructions
About Alcon
Alcon engineers performance brake systems and service components for road, off-road, motorsport, defense, and specialized vehicle applications. Exact caliper, rotor, pad, hardware, fitment, and clearance requirements vary by part number.
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Frequently Asked Questions
What does Alcon rotor temperature paint measure?
The indicator colors provide a permanent visual record that their specified temperature thresholds were reached, helping evaluate rotor heat after track use.
Where should rotor temperature paint be applied?
Apply it only in the locations and pattern stated in Alcon's current instructions, away from the pad contact area. Clean and prepare the surface before application.
Can the paint be used on every rotor material?
Use it only on rotor materials and surface finishes confirmed by the current product instructions. Confirm compatibility before applying it to carbon-ceramic or coated components.
Why are multiple paint colors used?
Each color responds at a different temperature threshold, so the set provides a more useful operating-temperature range than a single indicator color.
Installation Instructions
- Allow rotors to cool completely and ensure the vehicle is safely supported before beginning.
- Clean the outer circumference of the rotor with brake cleaner or the included solvent to remove all grease, oil, and brake dust.
- Allow the cleaned surface to dry completely before applying paint.
- Apply each of the three indicator paints to a separate, adjacent segment approximately 25mm wide around the outer rotor circumference using the dedicated brush for each color.
- Allow paint to dry to touch, approximately 15 to 30 minutes depending on conditions, before driving.
- Drive under the test conditions you want to evaluate, such as a track session, performance street drive, towing run, or autocross event.
- After the session, allow the vehicle and rotors to cool completely before inspecting the painted segments.
- Compare each segment to the included temperature color reference chart and record your findings.
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