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The table below lists some typical properties of C.A.B. Sheet determined in accordance with standard ASTM test methods

 

 

 

Property
Units
ASTM Text
Method
Value
Flow Temperature
°C
°F
D 569
145
293
Flow Rate
.
D 1238
7
Density
.
D 792
1.2
MECHANICAL
.
.
.

Tensile Strength @ Yield
50 mm/min (2 in./min)

MPa
psi
D 638
35.6
5,163
Tensile Strength @ Break
50 mm/min (2 in./min)
MPa
psi
D 638
36.3
5,221
Elongation @ Break
50 mm/min (2 in./min)
%
D 638
33.9
Flexural Modulus of Elasticity
1.27 mm/min (0.05 in/min)
MPa
105 psi
D 790
1,579
2.3
Rockwell Hardness
R Scale
D 785
81
Izod Impact Strength
Notched

23°C J/m
73° F ft·lbf/in.

-40°C J/m
-40°F ft·lbf/in.

D 256

235
4.4

78
1.5

THERMAL
.
.
.
Deflection Temperature
[Conditioned 4th @ 70°C (158°F)]

1.82 MPa °C
264 psi °F

0.455 MPa °C
66 psi °F

D 648

83
181

91
196

PERMANENCE
.
.
.
Water Absorption (24th Immersion)
%
D 570
1.4
Weight Loss on Heating
[72h @ 80°C(175°F)]
%
D 1562
0.4

Mechanical properties are corrected for thickness and therefore apply to all thicknesses of sheet,
although slight deviations may be found in thin gauges. Values for any given specimen of sheeting
may be approximated by means of a suitable conversion factor based on the dimensions of the specimen.

In general, the thermal, permanence, electrical, and miscellaneous properties listed are charac-
teristics of the plastic from which C.A.B. Sheet is manufactured, and they should not vary signifacantly
from one thickness to another

Since some variaton occurs in all plastics and in all plastic testing, there is no representation
that the sheeting in any particular order will conform exactly to all the properties shown.

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