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R-2111 — Glass

Material Id
Glass
Record Id
2111
Date
6/27/1980
Delta T (F)
23.9
Delta X (in)
0.947
Density (lb/ft3)
138.46
Form
Block
K W Mk (W/mK)
6.7977
Manufacturer
Corning Glass Works
Material
Glass
Mean Temp (F)
98.67
R Value per Inch (ft2hF/BTU/in)
0.021217
Rsi per Inch (m2K/W/in)
0.003737
Standard
Nist Srd 81 API
Test Method
ASTM C 177
Trade Name
Pyrex® 7740

Source: NIST SRD 81 API

glass — record id 2111 · rsi per inch 0.00373656 m2K/W/in · r value per inch 0.0212172 ft2hF/BTU/in · date 6/27/1980 · k w mk 6.7977 W/mK | Insulation R Values | Engineering Database