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R-355 — Feathers

Name: Insulation R Values — feathers: record id 355 · description 100 % chicken, fluffed, placed in balloon-cloth, 1 in. · rsi per inch 0.103504 m2K/W/in · r value per inch 0.587726 ft2hF/BTU/in · k w mk 0.2454 W/mK
Creator: Engineering Database

Material Id: Feathers
Record Id: 355
Date: 12/16/1943
Delta T (F): 22.7
Delta X (in): 0.971
Density (lb/ft3): 1.26
Description: 100 % chicken, fluffed, Placed in Balloon-cloth, 1 in.
Form: Loose
K W Mk (W/mK): 0.2454
Material: Feathers
Mean Temp (F): 78.12
R Value per Inch (ft2hF/BTU/in): 0.587726
Rsi per Inch (m2K/W/in): 0.103504
Standard: Nist Srd 81 API

Source: NIST SRD 81 API

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feathers — record id 355 · description 100 % chicken, fluffed, placed in balloon-cloth, 1 in. · rsi per inch 0.103504 m2K/W/in · r value per inch 0.587726 ft2hF/BTU/in · k w mk 0.2454 W/mK | Insulation R Values | Engineering Database