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R-2110 — Glass

Material Id
Glass
Record Id
2110
Date
6/25/1980
Delta T (F)
24.06
Delta X (in)
0.947
Density (lb/ft3)
138.46
Form
Block
K W Mk (W/mK)
6.6445
Manufacturer
Corning Glass Works
Material
Glass
Mean Temp (F)
75.62
R Value per Inch (ft2hF/BTU/in)
0.021706
Rsi per Inch (m2K/W/in)
0.003823
Standard
Nist Srd 81 API
Test Method
ASTM C 177
Trade Name
Pyrex® 7740

Source: NIST SRD 81 API

glass — record id 2110 · rsi per inch 0.00382271 m2K/W/in · r value per inch 0.0217064 ft2hF/BTU/in · date 6/25/1980 · k w mk 6.6445 W/mK | Insulation R Values | Engineering Database