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R-1245 — Nbs Fibrous Glass

Material Id
Nbs Fibrous Glass
Record Id
1245
Date
11/4/1960
Delta T (F)
24.97
Delta X (in)
1.014
Density (lb/ft3)
4.406
Description
Lot 1958
Form
Board
K W Mk (W/mK)
0.2189
Manufacturer
Owens Corning Fiberglas Corp.
Material
Nbs Fibrous Glass
Mean Temp (F)
74
R Value per Inch (ft2hF/BTU/in)
0.658876
Rsi per Inch (m2K/W/in)
0.116035
Standard
Nist Srd 81 API
Test Method
ASTM C 177
Trade Name
SRM® 1450 Series

Source: NIST SRD 81 API

nbs_fibrous_glass — record id 1245 · date 11/4/1960 · delta x 1.014 in · density 4.406 lb/ft3 · mean temp 74 F | Insulation R Values | Engineering Database