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R-1647 — Glass Fiber Board
- Material Id
- Glass Fiber Board
- Record Id
- 1647
- Date
- 3/25/1966
- Delta T (F)
- 22.79
- Delta X (in)
- 1.046
- Density (lb/ft3)
- 7.856
- K W Mk (W/mK)
- 0.2455
- Manufacturer
- Johns Manville
- Material
- Glass Fiber Board
- Mean Temp (F)
- 129.72
- R Value per Inch (ft2hF/BTU/in)
- 0.587486
- Rsi per Inch (m2K/W/in)
- 0.103462
- Standard
- Nist Srd 81 API
- Test Method
- ASTM C 177
Source: NIST SRD 81 API