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Protexulate Powder — Insulation R Values
60.9 lb/ft³, 74.7 F, 0.795 W/mK
Protexulate Powder (loose) thermal insulation performance data. Powder. Tabulates tested across 1 mean temperatures from 74.7 to 74.7°F. Performance: thermal conductivity 0.795 to 0.795 W/m·K; R-value per inch 0.181 to 0.181 ft²·°F·hr/BTU/in.
- Date
- 10/22/1974
- Delta T (F)
- 23.75
- Delta X (in)
- 1.0921
- Density (lb/ft3)
- 60.93
- Description
- Powder
- Form
- Loose
- K W Mk (W/mK)
- 0.7947
- Material
- Protexulate Powder
- Mean Temp (F)
- 74.68
- R Value per Inch (ft2hF/BTU/in)
- 0.181487
- Rsi per Inch (m2K/W/in)
- 0.031962
- Standard
- Nist Srd 81 API
- Test Method
- ASTM C 177