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R-862 — Sand Ottawa Silica

Material Id
Sand Ottawa Silica
Record Id
862
Date
11/24/1952
Delta T (F)
17.26
Delta X (in)
1.0105
Density (lb/ft3)
98.87
Description
Nbs Standard sample, 20 to 30 Mesh (white, uniform, clean)
Form
Loose
K W Mk (W/mK)
1.8231
Material
Sand, Ottawa Silica
Mean Temp (F)
64.36
R Value per Inch (ft2hF/BTU/in)
0.079111
Rsi per Inch (m2K/W/in)
0.013932
Standard
Nist Srd 81 API
Test Method
ASTM C 177

Source: NIST SRD 81 API

sand_ottawa_silica — record id 862 · rsi per inch 0.0139323 m2K/W/in · r value per inch 0.0791113 ft2hF/BTU/in · date 11/24/1952 · delta x 1.0105 in | Insulation R Values | Engineering Database