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R-527 — Perlite
- Material Id
- Perlite
- Record Id
- 527
- Date
- 2/23/1948
- Delta T (F)
- 22.84
- Delta X (in)
- 0.9999
- Density (lb/ft3)
- 9.15
- Description
- Ryolex®, Heavy
- Form
- Loose
- K W Mk (W/mK)
- 0.3689
- Manufacturer
- Silbrico Corporation
- Material
- Perlite
- Mean Temp (F)
- 71.1
- R Value per Inch (ft2hF/BTU/in)
- 0.390967
- Rsi per Inch (m2K/W/in)
- 0.068853
- Standard
- Nist Srd 81 API
- Test Method
- ASTM C 177
- Trade Name
- Ryolex®
Source: NIST SRD 81 API