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R-988 — Cellular Glass

Material Id
Cellular Glass
Record Id
988
Date
5/17/1955
Delta T (F)
25.71
Delta X (in)
0.9968
Density (lb/ft3)
9.135
Form
Block
K W Mk (W/mK)
0.3936
Manufacturer
Pittsburgh Corning Corp. (?)
Material
Cellular Glass
Mean Temp (F)
49.29
R Value per Inch (ft2hF/BTU/in)
0.366433
Rsi per Inch (m2K/W/in)
0.064533
Standard
Nist Srd 81 API
Test Method
ASTM C 177

Source: NIST SRD 81 API

cellular_glass — record id 988 · rsi per inch 0.0645325 m2K/W/in · r value per inch 0.366433 ft2hF/BTU/in · date 5/17/1955 · k w mk 0.3936 W/mK | Insulation R Values | Engineering Database