Page 7 - Combined_3_OCR
P. 7
Typical Physical Properties (continued)
Dry Heat Aging, % Volume Change
158°Fo
day O
H
days . O r-i
(N
days . O
N
days . CN O
< r
vH
days . CO O
CN
co
200 F.
day O
rd
days O
(N
days M
days CO
i—
<■ I
28 days Ln 4>
250 F.
1 day................................. 14.8
2 days..........................................................................15.1
7 days........................ 17.2
Low-temperature Aging at -20°F.5 % Volume Change
1 day . -0.3
SPRAY FORMULATION* DATA
R Component)
equal parts by volume
T Component)
System Viscosity, cps. at 73°F.
R Component..........................................................1400
T Component..........................................................225
Application Conditions
Component Temperatures .... 120° - 150°F.**
Substrate Temperatures .... 70° - 100°F. preferred
Air Temperatures ....... 40° - 100°F. preferred
Tack-Free Time.................................. <60 Seconds
* For simplicity, the two components will hereafter be referred to as R component
(crosslinking resin) and "T" component (isocyanate).
** As they reach the gun.
