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R-745 — Vermiculite

Material Id
Vermiculite
Record Id
745
Date
5/22/1950
Delta T (F)
23.86
Delta X (in)
0.9758
Density (lb/ft3)
5.843
Description
Aggregate - light, fluffy, 4 MM to 6 MM Up to 12 MM Placed in Frames
Form
Loose
K W Mk (W/mK)
0.4732
Manufacturer
Southern Mineralite Company
Material
Vermiculite
Mean Temp (F)
70.59
R Value per Inch (ft2hF/BTU/in)
0.304793
Rsi per Inch (m2K/W/in)
0.053677
Standard
Nist Srd 81 API
Test Method
ASTM C 177
Trade Name
American Brand

Source: NIST SRD 81 API

vermiculite — record id 745 · rsi per inch 0.0536771 m2K/W/in · r value per inch 0.304793 ft2hF/BTU/in · date 5/22/1950 · k w mk 0.4732 W/mK | Insulation R Values | Engineering Database