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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