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R-2112 — Glass

Material Id
Glass
Record Id
2112
Date
6/30/1980
Delta T (F)
22.98
Delta X (in)
0.947
Density (lb/ft3)
138.46
Form
Block
K W Mk (W/mK)
6.8479
Manufacturer
Corning Glass Works
Material
Glass
Mean Temp (F)
126.06
R Value per Inch (ft2hF/BTU/in)
0.021062
Rsi per Inch (m2K/W/in)
0.003709
Standard
Nist Srd 81 API
Test Method
ASTM C 177
Trade Name
Pyrex® 7740

Source: NIST SRD 81 API

glass — record id 2112 · rsi per inch 0.00370917 m2K/W/in · r value per inch 0.0210616 ft2hF/BTU/in · date 6/30/1980 · k w mk 6.8479 W/mK | Insulation R Values | Engineering Database