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R-1393 — Glass

Material Id
Glass
Record Id
1393
Date
10/11/1962
Delta T (F)
13.4
Delta X (in)
0.9659
Density (lb/ft3)
138.66
Description
Corning Ordinary Chemical glass, 1 in.
Form
Block
K W Mk (W/mK)
8.1754
Manufacturer
Corning Glass Works
Material
Glass
Mean Temp (F)
122.61
R Value per Inch (ft2hF/BTU/in)
0.017642
Rsi per Inch (m2K/W/in)
0.003107
Standard
Nist Srd 81 API
Test Method
ASTM C 177
Trade Name
Pyrex® 7740

Source: NIST SRD 81 API

glass — record id 1393 · rsi per inch 0.00310688 m2K/W/in · r value per inch 0.0176417 ft2hF/BTU/in · date 10/11/1962 · k w mk 8.1754 W/mK | Insulation R Values | Engineering Database