DN(mm) |
Epoxy powder (μm) |
Adhesive elayer (μm) |
Minimum thickness on the coating(mm) |
|
Coommon level(G) |
Strengthen level(S) |
|||
DN≤100 |
≥120 |
≥170 |
1.8 |
2.5 |
100<DN≤250 |
2.0 |
2.7 |
||
250<DN<500 |
2.2 |
2.9 |
||
500≤DN<800 |
2.5 |
3.2 |
||
DN≥800 |
3.0 |
3.7 |
NO. |
Item |
Indexes |
1 |
Size distribution(%) |
150μm oversize powder≤ 3.0 250μm oversize powder≤0.2 |
2 |
Volatiles(%) |
≤0.6 |
3 |
Density(g/m³) |
1.3-1.5 |
4 |
Gel time (200°C)/(S) |
≥12confirm to the requirement ±20% |
5 |
Fixed time(200°C)/(min) |
≤3 |
NO. |
Item |
Indexes |
1 |
Adhesion (grade) |
≤02 |
2 |
Cathodic disbonding(65°C,48h)/(mm) |
≤8 |
3 |
Cathodic disbonding(65°C,30h)/(mm) |
≤15 |
4 |
Counter bending(-20°C,25°) |
No cracks |
NO. |
Item |
Indexes |
1 |
Density(g/m³) |
0.920-0.950 |
2 |
MFR(190°C,2.16KG) |
≥0.7 |
3 |
Vicat softening point() |
≥90 |
4 |
Brittle temperature(°C) |
≤-50 |
5 |
Oxidation induction time(O/T) (200°C)/(min) |
≥10 |
6 |
Moisture content (%) |
≤0.1 |
7 |
Tensile strength(MPa) |
≥17 |
8 |
Elongation at break (%) |
≥600 |
NO. |
Item |
Indexes |
||
Two layer |
Three layer |
|||
1 |
Peel strength(N/CM) (20°C±10°C) (50°C±5°C) |
≥70 ≥35 |
≥100(cohesive failure) ≥70(cohesive failure) |
|
2 |
Cathodic disbanding(65°C,48H) |
≤15 |
≤6 |
|
3 |
Cathodic disbanding(the highest temperature ,30d)/(mm) |
≤25 |
≤15 |
|
4 |
Impact strength(J/mm) |
≥8 |
||
5 |
Counter bending(-20°C,2.5°) |
No crack |
||
NO. |
Item |
Indexes |
|
1 |
Tensile strength |
Axial(MPa) |
≥20 |
Axial(MPa) |
≥20 |
||
Deviation(%) |
≤15 |
||
3 |
Elongation at break (%) |
≥600 |
|
4 |
Indentation hardness (mm) (23°C) (50°C/70°C) |
≤0.2 ≤0.3 |
|
5 |
Loop tensile stress cracking resistance (F50)/(H) |
≥1000 |
Contact informations: |
Factory name:Shandong Hong sheng Steel Pipe Co.,Ltd |
Company Address: Room4002,5th Building, Xinan Industrial Park Area B, Qingdao Econ.& Tech.Development Zone,China. |
Tel:0086-532-86949292 |
Fax:0086-532-83150648 |
Mobile:0086-15165251349 |
Skype:kwayt.jessie |
Contact person: Jessie Li |
Web:
|
Grupo de Produto : Outro Pipe > Tubo Anticorrosão