PART 2
PRODUCTS
2.1
SPRAY URETHANE FOAM
Urethane foam shall be standard product of the manufacturer, and containers
shall be factory marked with the manufacturer's name or trademark. The
foam material shall be of a formulation suitable for the environmental and
climatic conditions in which foam will be applied. Urethane foam shall
meet the following requirements:
Properties in Metric Units
Properties
ASTM Test
Value
Units
Density (Sprayed
ASTM D 1622
48
kg/m3
in Place)
(minimum)
K-Factor (aged)
ASTM C 177
1800
J per
ASTM C 518
(maximum)
square
meter/hr;
deg C per
25 mm
Compressive Strength
ASTM D 1621
290
kPa
Parallel to Foam Rise
(minimum)
Shear Strength
ASTM C 273
275
kPa
(minimum)
Tensile Strength
ASTM D 1623
414
kPa
Parallel to Foam Rise
(minimum)
Dimensional Stability
ASTM D 2126
6 (maximum)
percent
(Humid Aging)7 days
net
volume change
160 F, 100 relative
humidity
Water Vapor
ASTM E 96
4.35 x 10-9
G/Pa m2
Permeability
(maximum)
Closed Cell Content
ASTM D 2856
90 (minimum)
% by
volume
Water Absorption
ASTM D 2842
0.49
kg/m2
(maximum)
Flammability
ASTM E 84
Flame spread
--
of 75 or
less
Properties in Inch-Pound Units
Properties
ASTM Test
Value
Units
Density (Sprayed in
ASTM D 1622
3.0
lb./ft3
Place)
(minimum)
SECTION 07570
Page 17
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