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R-1087 — Glass

Material Id
Glass
Record Id
1087
Date
12/4/1957
Delta T (F)
1.53
Delta X (in)
0.2485
Density (lb/ft3)
138.5
Description
Corning Ordinary Chemical glass, ¼ in.
Form
Block
K W Mk (W/mK)
5.091
Manufacturer
Corning Glass Works
Material
Glass
Mean Temp (F)
60.76
R Value per Inch (ft2hF/BTU/in)
0.02833
Rsi per Inch (m2K/W/in)
0.004989
Standard
Nist Srd 81 API
Test Method
ASTM C 177
Trade Name
Pyrex® 7740

Source: NIST SRD 81 API

glass — record id 1087 · rsi per inch 0.0049892 m2K/W/in · r value per inch 0.02833 ft2hF/BTU/in · date 12/4/1957 · k w mk 5.091 W/mK | Insulation R Values | Engineering Database