Explore the Engineering Database more efficiently by signing up for free. Sign up free

R-680 — Polyester

Material Id
Polyester
Record Id
680
Date
6/21/1949
Delta T (F)
23.96
Delta X (in)
0.9704
Density (lb/ft3)
10.15
Description
Specimen Pair Unlike
Form
Block
K W Mk (W/mK)
0.3374
Manufacturer
Nbs
Material
Polyester
Mean Temp (F)
71.2
R Value per Inch (ft2hF/BTU/in)
0.427469
Rsi per Inch (m2K/W/in)
0.075282
Standard
Nist Srd 81 API
Test Method
ASTM C 177

Source: NIST SRD 81 API

polyester — record id 680 · rsi per inch 0.0752816 m2K/W/in · r value per inch 0.427469 ft2hF/BTU/in · manufacturer NBS · date 6/21/1949 | Insulation R Values | Engineering Database