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R-637 — Vermiculite

Material Id
Vermiculite
Record Id
637
Date
11/18/1948
Delta T (F)
23.85
Delta X (in)
0.9739
Density (lb/ft3)
11.2
Description
Aggregate - fine, uniform, Placed in Wood Frames (TUC-106A)
Form
Loose
K W Mk (W/mK)
0.5322
Material
Vermiculite
Mean Temp (F)
39.39
R Value per Inch (ft2hF/BTU/in)
0.271003
Rsi per Inch (m2K/W/in)
0.047726
Standard
Nist Srd 81 API
Test Method
ASTM C 177

Source: NIST SRD 81 API

vermiculite — record id 637 · rsi per inch 0.0477264 m2K/W/in · r value per inch 0.271003 ft2hF/BTU/in · date 11/18/1948 · k w mk 0.5322 W/mK | Insulation R Values | Engineering Database