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R-263 — Rubber

Name: Insulation R Values — rubber: record id 263 · rsi per inch 0.101276 m2K/W/in · r value per inch 0.575071 ft2hF/BTU/in · date 12/15/1941 · k w mk 0.2508 W/mK
Creator: Engineering Database

Material Id: Rubber
Record Id: 263
Date: 12/15/1941
Delta T (F): 14.79
Delta X (in): 0.9727
Density (lb/ft3): 4.48
Description: Expanded rubber, 1 in.
Form: Slab
K W Mk (W/mK): 0.2508
Material: Rubber
Mean Temp (F): 87.74
R Value per Inch (ft2hF/BTU/in): 0.575071
Rsi per Inch (m2K/W/in): 0.101276
Standard: Nist Srd 81 API

Source: NIST SRD 81 API

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