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Foams
Indentation Force Deflection (IFD)
indentashun fors deflecshun ifd
Alternative term for ILD measuring foam firmness under load.
What: Alternative term for ILD measuring foam firmness under load.
Why: Helps compare models and set expectations during testing.
Tip: Match to sleeper type (side/back/stomach), body type, and temperature preferences.
Category: Foams
Tags: /lux-terms/
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