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R-130 — Paper

Material Id
Paper
Record Id
130
Date
11/7/1938
Delta X (in)
0.405
Description
Cardboard, corrugated, Double-Ply
Form
Board
K W Mk (W/mK)
0.492
Manufacturer
Weston
Material
Paper
Mean Temp (F)
94.3
R Value per Inch (ft2hF/BTU/in)
0.293146
Rsi per Inch (m2K/W/in)
0.051626
Standard
Nist Srd 81 API
Trade Name
Red Stripelath

Source: NIST SRD 81 API

paper — record id 130 · rsi per inch 0.051626 m2K/W/in · r value per inch 0.293146 ft2hF/BTU/in · date 11/7/1938 · delta x 0.405 in | Insulation R Values | Engineering Database