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R-1183 — Glass

Material Id
Glass
Record Id
1183
Date
11/10/1959
Delta T (F)
12.21
Delta X (in)
0.9659
Density (lb/ft3)
138.66
Description
Corning Ordinary Chemical glass, 1 in.
Form
Block
K W Mk (W/mK)
7.5076
Manufacturer
Corning Glass Works
Material
Glass
Mean Temp (F)
63.02
R Value per Inch (ft2hF/BTU/in)
0.019211
Rsi per Inch (m2K/W/in)
0.003383
Standard
Nist Srd 81 API
Test Method
ASTM C 177
Trade Name
Pyrex® 7740

Source: NIST SRD 81 API

glass — record id 1183 · rsi per inch 0.00338324 m2K/W/in · r value per inch 0.0192109 ft2hF/BTU/in · date 11/10/1959 · k w mk 7.5076 W/mK | Insulation R Values | Engineering Database