Dawn Group Co. , Ltd
中文 | English Dawn Share [ 002838 ]
DLWZ3 series products are based on PE and EVA, with lubricants, antioxidants, flame retardants and other additives added to make the materials meet the needs of cables of different specifications, showing good extrusion performance, excellent electrical properties and high cost performance.
1. Non-flame Retardant DL4 Series
Performance:
l Low-temperature brittleness point: -76℃
l After extrusion, the product is cross-linked in warm water, resulting in excellent physical and mechanical properties.
l The product has excellent extrusion processing performance, high electrical insulation, aging resistance, mechanical properties, and outstanding weather and UV resistance.
Applications:
Low-voltage power cable insulation
Control cable insulation
Grades:
|
Grade |
Unit |
DL4-101E |
DL4-101EG |
DL4-101F |
DL4-201E |
|
Hardness |
Shore A/D |
96/60 |
96/48 |
96/60 |
96/60 |
|
Density |
g/cm 3 |
0.92 |
0.92 |
0.92 |
0.92 |
|
Tensile Strength |
MPa |
20 |
20 |
20 |
16 |
|
Elongation at Break |
% |
450 |
450 |
450 |
350 |
|
Heat Aging |
|
135℃*168hr |
150℃*240hr |
135℃*168hr |
135℃*168hr |
|
Change in Strength |
% |
5 |
-8 |
-8 |
5 |
|
Change in Elongation |
% |
-5 |
-10 |
-10 |
-5 |
|
Volume Resistivity |
Ohm |
1.0×1015 |
1.0×1015 |
1.0×1015 |
2.0×1015 |
|
Dielectric Strength |
kV/mm |
36 |
37 |
36 |
36 |
|
Hot Elongation |
|
200℃×0.2MPa×15min |
|||
|
Elongation under Load |
% |
50 |
60 |
40 |
50 |
|
Permanent Set after Cooling |
% |
0 |
0 |
0 |
5 |
2. 125℃ Halogen-free Flame Retardant DLWZ4 Series
Performance:
l Temperature resistance: Operating temperature is 125℃.
l This product has excellent extrusion processing performance. After the wire is made and undergoes steam or natural cross-linking, it has excellent flame-retardant, physical, and mechanical properties.
Applications:
Home installation wiring
Fire-resistant security wiring
Automotive high and low-voltage wires
Flat cables
Soft automotive wires
Grades:
|
Grade |
Unit |
DLWZ4-125GD |
DLWZ4-90TG |
DLWZ4-W27DG |
DLWZ4-125VG |
|
Density |
g/cm 3 |
1.49 |
≤1.4 |
1.43 |
≤1.38 |
|
Hardness |
Shore A/D |
95 |
88±3 |
52D |
86±3 |
|
Tensile Strength |
MPa |
14.6 |
≥9.0 |
16.6 |
≥9.0 |
|
Elongation at Break |
% |
240 |
≥150 |
250 |
≥150 |
|
Heat Aging |
|
158℃×168h |
150℃×240h |
||
|
Strength Retention |
% |
77 |
≥70 |
82 |
≥70 |
|
Elongation Retention |
% |
98 |
≥70 |
85 |
≥70 |
|
Volume Resistivity |
Ohm cm |
5×1011 |
≥1×1011 |
≥1×1011 |
≥1×1011 |
|
Hot Elongation 200℃×0.2MPa×15min |
Elongation under Load (%) |
45 |
55 |
35 |
50 |
|
Permanent Deformation after Cooling(%) |
0 |
2 |
-5 |
2 |
|
|
Oxygen Index |
% |
33 |
≥25 |
29 |
≥25 |
