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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 |