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| |
Tuffak
Polycarbonate Technical Data
| Technical
Specification |
|
PROPERTIES
|
TEST
METHOD
|
UNIT
|
TYPICAL
VALUES
|
|
|
|
TUFFAK
A
|
TUFFAK
XL
|
| Physical |
| Density |
DIN
53479 |
g/cm³
|
1.20
|
1.20
|
| Water
Absorption |
ASTM
D 570 |
%
|
0.10
|
0.15
|
| Poisson's
ratio |
ASTM
D 638 |
-
|
0.38
|
0.38
|
| Optical |
|
|
|
|
| Light
transmission (3mm) |
ASTM
D 1003 |
%
|
89
|
88
|
| Mechanical |
|
|
|
|
| Tensile
strength at yield |
DIN
53455 |
Mpa
|
60
|
60
|
| Tensile
strength at break |
DIN
53455 |
Mpa
|
70
|
70
|
| Elongation
at break |
DIN
53455 |
%
|
100
|
80
|
| Tensile
modulus |
DIN
53457 |
Mpa
|
2300
|
2300
|
| Flexural
modulus |
DIN
53457 |
Mpa
|
2500
|
2500
|
|
Charpy
impact strength (notched, 23°C)
|
DIN
53453 |
KJ/m²
|
35
|
30
|
| Izod
impact strength (notched, 23°C) |
ASTM
D 256 |
J/m
|
850
|
700
|
| Rockwell
hardness (M scale) |
ASTM
D 785 |
-
|
70
|
70
|
| Thermal |
|
|
|
|
| Vicat
softening temp, 50 N |
DIN
53460 |
°C
|
153
|
148
|
| HDT,
1.82 MPa |
DIN
53461 |
°C
|
138
|
134
|
| Coeff.
of linear thermal expansion |
VDE
0304/1 |
m/m°C
|
7 x
10-5
|
7 x
10-5
|
| Thermal
conductivity |
ASTM
C 177 |
W/m°C
|
0.20
|
0.20
|
| Max.
continuous service temperature |
- |
°C
|
100
|
100
|
| |
| Light
Transmission |
| Through
its excellent UV protection Tuftak XL will maintain these values over an
extended period of time even when exposed to direct sunlight.
Accelerated
Xenon tests run on Tuftak XL for 5000 hours (corresponding to more than 10
years of outdoor exposure) show a very small changing of light
transmission and yellowness index, (Tuffak XL weathering characteristic
graphs)
|
| Fire
Performance and Classification |
| PROPERTY |
NORM |
FIRE
CLASSIFICATION
|
|
|
TUFFAK
A
|
TUFFAK
XL
|
|
|
|
|
| Rating |
UL
94 |
V-2
-V-0
|
HB
V-2
|
|
| |
|
