Explore the Engineering Database more efficiently by signing up for free. Sign up free

R-1088 — Glass

Material Id
Glass
Record Id
1088
Date
12/6/1957
Delta T (F)
1.57
Delta X (in)
0.2485
Density (lb/ft3)
138.5
Description
Corning Ordinary Chemical glass, ¼ in.
Form
Block
K W Mk (W/mK)
4.9386
Manufacturer
Corning Glass Works
Material
Glass
Mean Temp (F)
29.94
R Value per Inch (ft2hF/BTU/in)
0.029204
Rsi per Inch (m2K/W/in)
0.005143
Standard
Nist Srd 81 API
Test Method
ASTM C 177
Trade Name
Pyrex® 7740

Source: NIST SRD 81 API

glass — record id 1088 · rsi per inch 0.00514316 m2K/W/in · r value per inch 0.0292042 ft2hF/BTU/in · date 12/6/1957 · k w mk 4.9386 W/mK | Insulation R Values | Engineering Database