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R-900 — Rubber

Name: Insulation R Values — rubber: record id 900 · rsi per inch 0.0494067 m2K/W/in · r value per inch 0.280544 ft2hF/BTU/in · date 5/28/1953 · k w mk 0.5141 W/mK
Creator: Engineering Database

Material Id: Rubber
Record Id: 900
Date: 5/28/1953
Delta T (F): 11.35
Delta X (in): 0.4743
Density (lb/ft3): 18.35
Description: Arctic Black Rubber (5), 0.4 in.
Form: Slab
K W Mk (W/mK): 0.5141
Material: Rubber
Mean Temp (F): 28.98
R Value per Inch (ft2hF/BTU/in): 0.280544
Rsi per Inch (m2K/W/in): 0.049407
Standard: Nist Srd 81 API
Test Method: ASTM C 177

Source: NIST SRD 81 API

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