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R-277 — Rock Wool

Material Id
Rock Wool
Record Id
277
Date
3/1/1942
Delta T (F)
12.1
Delta X (in)
0.88
Density (lb/ft3)
15.6
Description
Rock Wool Fibers felted, Bonded (asphaltic binder)
Form
Board
K W Mk (W/mK)
0.3285
Manufacturer
Baldwin Hill Co.
Material
Rock Wool
Mean Temp (F)
74.75
R Value per Inch (ft2hF/BTU/in)
0.43905
Rsi per Inch (m2K/W/in)
0.077321
Standard
Nist Srd 81 API
Trade Name
Koldboard®

Source: NIST SRD 81 API

rock_wool — record id 277 · date 3/1/1942 · mean temp 74.75 F · rsi per inch 0.0773212 m2K/W/in · r value per inch 0.43905 ft2hF/BTU/in | Insulation R Values | Engineering Database