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R-54 — Rock Wool

Material Id
Rock Wool
Record Id
54
Date
6/24/1936
Delta X (in)
1.07
Density (lb/ft3)
15
Description
Rock wool, Asphalt Binder
Form
Board
K W Mk (W/mK)
0.34
Manufacturer
Johns Manville
Material
Rock Wool
Mean Temp (F)
75
R Value per Inch (ft2hF/BTU/in)
0.4242
Rsi per Inch (m2K/W/in)
0.074706
Standard
Nist Srd 81 API
Trade Name
Rock Cork®

Source: NIST SRD 81 API

rock_wool — record id 54 · date 6/24/1936 · mean temp 75 F · rsi per inch 0.0747059 m2K/W/in · r value per inch 0.4242 ft2hF/BTU/in | Insulation R Values | Engineering Database