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R-357 — Feathers

Name: Insulation R Values — feathers: record id 357 · description 100 % chicken, placed in balloon-cloth, compressed, 0.3 in. · rsi per inch 0.111697 m2K/W/in · r value per inch 0.634248 ft2hF/BTU/in · k w mk 0.2274 W/mK
Creator: Engineering Database

Material Id: Feathers
Record Id: 357
Date: 12/17/1943
Delta T (F): 13.06
Delta X (in): 0.288
Density (lb/ft3): 4.25
Description: 100 % chicken, Placed in Balloon-cloth, compressed, 0.3 in.
Form: Loose
K W Mk (W/mK): 0.2274
Material: Feathers
Mean Temp (F): 69.51
R Value per Inch (ft2hF/BTU/in): 0.634248
Rsi per Inch (m2K/W/in): 0.111697
Standard: Nist Srd 81 API

Source: NIST SRD 81 API

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feathers — record id 357 · description 100 % chicken, placed in balloon-cloth, compressed, 0.3 in. · rsi per inch 0.111697 m2K/W/in · r value per inch 0.634248 ft2hF/BTU/in · k w mk 0.2274 W/mK | Insulation R Values | Engineering Database