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R-1820 — Nbs Fibrous Glass

Material Id
Nbs Fibrous Glass
Record Id
1820
Date
5/4/1970
Delta T (F)
22.64
Delta X (in)
1.0027
Density (lb/ft3)
7.999
Description
Lot 1958, Return for Check
Form
Board
K W Mk (W/mK)
0.2498
Manufacturer
Owens Corning Fiberglas Corp.
Material
Nbs Fibrous Glass
Mean Temp (F)
129.52
R Value per Inch (ft2hF/BTU/in)
0.577373
Rsi per Inch (m2K/W/in)
0.101681
Standard
Nist Srd 81 API
Test Method
ASTM C 177
Trade Name
SRM® 1450 Series
Uncertainty
1

Source: NIST SRD 81 API

nbs_fibrous_glass — record id 1820 · date 5/4/1970 · delta x 1.0027 in · density 7.999 lb/ft3 · mean temp 129.52 F | Insulation R Values | Engineering Database