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Insulation Cotton Washer for Thermoelectric Cooler Peltier

K-TECHNICS
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KSh50.00

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An insulation cotton washer is a precut foam barrier used to isolate the hot and cold sides of a thermoelectric Peltier module. 
Why Use It
  • Blocks Heat: Prevents hot-side exhaust from bleeding back into the cold zone.
  • Stops Moisture: Seals the area to prevent condensation and electrical shorts.
  • Protects Ceramic: Cushions the fragile Peltier plate against uneven clamping pressure.
Key Specifications
  • Size: Usually 64mm x 69mm with a center cutout for standard 40mm x 40mm modules (like TEC1-12706).
  • Thickness: 4mm to match standard module profiles.
  • Features: High-density thermal foam with a single-sided adhesive backing.
Installation Steps
  1. Clean: Wipe heatsinks with isopropyl alcohol.
  2. Stick: Peel adhesive and press the washer onto the hot-side heatsink.
  3. Paste: Apply thermal grease to both sides of the Peltier module.
  4. Insert: Place the Peltier inside the washer cutout.
  5. Clamp: Tighten mounting screws slowly in an X-pattern.

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