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R-1176 — Glass

Material Id
Glass
Record Id
1176
Date
10/8/1959
Delta T (F)
10.94
Delta X (in)
0.9659
Density (lb/ft3)
138.66
Description
Corning Ordinary Chemical glass, 1 in.
Form
Block
K W Mk (W/mK)
7.4238
Manufacturer
Corning Glass Works
Material
Glass
Mean Temp (F)
61.68
R Value per Inch (ft2hF/BTU/in)
0.019428
Rsi per Inch (m2K/W/in)
0.003421
Standard
Nist Srd 81 API
Test Method
ASTM C 177
Trade Name
Pyrex® 7740

Source: NIST SRD 81 API

glass — record id 1176 · rsi per inch 0.00342143 m2K/W/in · r value per inch 0.0194278 ft2hF/BTU/in · date 10/8/1959 · k w mk 7.4238 W/mK | Insulation R Values | Engineering Database