|
| Automotive Exterior |
HOME > Product Information > Automotive Exterior |
|
 |
 |
| |
 |
| • Bumper |
|
| Features / Usage |
|
| - Excellent Low Temperature Impact Strength |
|
| - Good Formability - Uncoated Grade |
|
| - High ImpactResistance |
|
|
|
| • Physical Properties B Series (BUMPER FACSIA용) |
| Checkpoints |
ASTM |
Units |
B Series |
| DWB-R30 |
DWB-R35 |
DWB-R40 |
DWB-R40T |
DWB-R45 |
DWB-R45W |
| Melt Index |
D1238 |
g/10min |
20 |
28 |
20 |
20 |
33 |
33 |
| Specific Gravity |
D792 |
- |
0.95 |
0.96 |
1.05 |
0.95 |
0.97 |
0.97 |
| Ultimate Strength (Yield Point) |
D638 |
kgf/㎠ |
200 |
180 |
170 |
200 |
190 |
190 |
| Extention Rate (Break Point) |
D638 |
% |
100 |
110 |
120 |
100 |
160 |
160 |
| Flexural Module |
D790 |
kgf/㎠ |
13,000 |
14,000 |
16,000 |
13,000 |
15,000 |
15,000 |
| IZOD Impect Strength |
23 ℃ |
D256 |
kgf.cm/cm |
35 |
45 |
47 |
35 |
47 |
47 |
| -30℃ |
D256 |
5 |
6.5 |
6.5 |
5 |
6.5 |
6.5 |
| Heat Distortion Temperature |
D648 |
℃ |
112 |
114 |
114 |
112 |
114 |
114 |
| Shrinkage Rate |
D955 |
% |
1.0~1.2 |
0.8~1.0 |
0.6~0.8 |
1.0~1.2 |
0.8~1.0 |
0.8~1.0 |
| Combustibility |
UL94 |
mm/min |
HB |
HB |
HB |
HB |
HB |
HB |
|
|
|
|
|
|
|
|