Properties
ASTM Test
Value
Units
Solids Content
ASTM D 2697
73, minimum
% by volume
Solids Content
ASTM D 2697
81, minimum
% by weight
Flash Point
ASTM D 56 or
82, minimum
degrees F
ASTM D 93
Cured aromatic urethane elastomer shall have the following values when
tested for specified properties in accordance with specified test methods:
Properties in Metric Units
Properties
ASTM Test
Value
Units
Elongation
ASTM D 412,
400, minimum
percentage
24 C, 50% relative
humidity
Tensile Strength
ASTM D 412, die C,
6895, minimum
kPa
24C, 50% relative
humidity
Permanent Set at
ASTM D 412
25
percentage
break
Tear Resistance
ASTM D 624, Die C
26.25
KN per meter
minimum
UV Exposure
ASTM D 822,
No cracking,
--
ASTM G 26,
checkiing,
ASTM G 53,
loss of
6000 hours in
flexibility
atlas xenon or
or significant
carbon arc
discoloration
weatherometer, or
QUV
Water Absorption,
ASTM D 570
2.0, maximum
percentage by
168 hours, 24C
weight
Hardness, Shore A
ASTM D 2240
60, minimum
points
Permeability
ASTM E 96
1.0, maximum
perms
Procedure E
0.50 mm thickness
Properties in Inch-Pound Units
Properties
ASTM Test
Value
Units
Elongation
ASTM D 412,
400, minimum
percentage
75 F, 50% relative
humidity
Tensile Strength
ASTM D 412, die C,
1000, minimum
psi
75 F, 50% relative
SECTION 07570
Page 24
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