China API Pipe Girth Welding Coating Heat Shrinkable Sleeve, Find details about China Field Coating Material, Girth Weld Straight Joints from API Pipe Girth Welding Coating Heat Shrinkable Sleeve
Heat shrinkable sleeve forThermo Insulated Pipe
COMPARISIONS
TECHNICAL PARAMETERS
NO | Text Item | Unit | Performance | Text Result | Text Metho | ||
Back Material | |||||||
1 | Tensile Strengt | MPa | ≥17 | 19.47 | ASTM D638 | ||
2 | Elongatio | % | ≥400 | 626 | ASTM D638 | ||
3 | Vicat Softening Poin | ºC | ≥90 | 92 | ASTM D1525 | ||
4 | Brittleness Temperatur | ºC | <-65 | <-65 | ASTM D2671C | ||
5 | Dielectric Strengt | MV/m | ≥25 | 33.13 | ASTM D149 | ||
6 | Volume Resistivit | Ω.m | ≥1*1013 | 1.1*1013 | ASTM D257 | ||
7 | Environment Stress Crac | h | ≥1000 | >1000 | GB/T1842 | ||
8 | Chemical resistance (7d | 10% HCI | Tensile strength | MPa | ≥85 | 104.9 | ASTM D638 |
Elongation | % | ≥85 | 96.3 | ASTM D638 | |||
10% NaAH | Tensile strength | MPa | ≥85 | 102.1 | ASTM D638 | ||
Elongation | % | ≥85 | 95.6 | ASTM D638 | |||
10% NaCL | Tensile strength | MPa | ≥85 | 108.3 | ASTM D638 | ||
Elongation | % | ≥85 | 94.1 | ASTM D638 | |||
9 | Thermal aging (150ºC,168h | Tensile strength | MPa | ≥14 | 20.7 | ASTM D638 | |
Elongation | % | ≥300 | 630 | ASTM D638 |
NO. | Text Ite | Uni | Performanc | Text Resul | Text Metho | |
Adhesive | ||||||
1 | Softening Poin | ºC | ≥90 | 90.1 | ASTM E28 | |
2 | Brittleness Temperatur | ºC | <-15 | <-15 | ASTM D2671C | |
3 | Lap Shea | MPa | ≥1.0 | 1.5 | ASTM D1002 | |
4 | Peel Strength (23±2ºC | Steel | N/cm | ≥70 | 145.6 | ASTM D1000 |
Primer | N/cm | ≥70 | 205.9 | ASTM D1000 | ||
PE laye | N/cm | ≥70 | 190.0 | ASTM D1000 | ||
Non-solvent Epoxy Primer | ||||||
5 | Shear of cured primer | MPa | ≥5.0 | 12 | SY/T0041 |