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R-333 — Feathers

Name: Insulation R Values — feathers: record id 333 · description Turkey feather fiber (down?); 1 in. · rsi per inch 0.106499 m2K/W/in · r value per inch 0.604729 ft2hF/BTU/in · k w mk 0.2385 W/mK
Creator: Engineering Database

Material Id: Feathers
Record Id: 333
Date: 6/7/1943
Delta T (F): 14.54
Delta X (in): 1.006
Density (lb/ft3): 2.5
Description: Turkey Feather Fiber (down?); 1 in.
Form: Loose
K W Mk (W/mK): 0.2385
Material: Feathers
Mean Temp (F): 103.96
R Value per Inch (ft2hF/BTU/in): 0.604729
Rsi per Inch (m2K/W/in): 0.106499
Standard: Nist Srd 81 API

Source: NIST SRD 81 API

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feathers — record id 333 · description Turkey feather fiber (down?); 1 in. · rsi per inch 0.106499 m2K/W/in · r value per inch 0.604729 ft2hF/BTU/in · k w mk 0.2385 W/mK | Insulation R Values | Engineering Database