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R-989 — Greenstone

Name: Insulation R Values — greenstone: record id 989 · rsi per inch 0.00164425 m2K/W/in · r value per inch 0.00933647 ft2hF/BTU/in · date 5/19/1955 · k w mk 15.4478 W/mK
Creator: Engineering Database

Material Id: Greenstone
Record Id: 989
Date: 5/19/1955
Delta T (F): 2.07
Delta X (in): 0.9754
Density (lb/ft3): 186.72
Description: Igneous Rock
Form: Block
K W Mk (W/mK): 15.4478
Material: Greenstone
Mean Temp (F): 59.73
R Value per Inch (ft2hF/BTU/in): 0.009336
Rsi per Inch (m2K/W/in): 0.001644
Standard: Nist Srd 81 API
Test Method: ASTM C 177

Source: NIST SRD 81 API

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greenstone — record id 989 · rsi per inch 0.00164425 m2K/W/in · r value per inch 0.00933647 ft2hF/BTU/in · date 5/19/1955 · k w mk 15.4478 W/mK | Insulation R Values | Engineering Database