This specification covers the requirment for plastic coated steel tape used as armor in under ground cable for protection against damage.
Standard: YD/T723.3-2007
NO |
Property |
Units |
Typical vaule |
|
Steel coil |
mm |
0.15+/-0.01 |
Copolymer coat |
mm |
0.05+/-0.01 |
Total |
mm |
0.25+/-0.02 |
2 |
Color |
|
Green |
3 |
Peel strength |
N/cm |
min 6.13 |
Between Steel and Copolymer |
4 |
Tensile Strength |
MPA |
300-380 |
5 |
Elongation |
% |
min 15 |
6 |
Peel strength of Water Resistance |
N/cm |
min 6.13 |
68±1ºC,168 h |
7 |
Filler/Flooding Resistance |
|
No delamination |
68±1ºC,168 h |
|
8 |
Heat seal strength |
N/cm |
min 17.5 |
9 |
Dielectric strength (DC2KV 1 min) |
|
Without breakdown |
10 |
Corrosion Resistance |
Grade |
min 7 |
0.1mol/L HCL 480 h |