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Surface: | Smooth Side |
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NO. | Item | Index | |
GH-HDPE | |||
GH-1 | GH-2 | ||
1 | The tensile strength Mpa | ≥ 17 | ≥ 25 |
2 | The percentage of breaking elongation rate % | ≥ 450 | ≥ 550 |
3 | Right-angle tear strength N/mm | ≥ 80 | ≥ 110 |
4 | Carbon black content 13% | ≥ 2 | |
5 | Environmental stress cracking resistance F 20h | - | ≥ 1500 |
6 | Oxidative induction time at 200 ºC min | - | ≥ 20 |
7 | The permeability coefficient of water vapor | ≤ 1.0 × 10 -13 | |
gcm/(cmsPa) | |||
8 | The impact and embrittlement property in low-temperature at 70 ºC below zero | pass the detection | |
9 | Dimensional stability percentage % | ± 3 |
No. | Properties | Test Method | Test Value | |||||||
1 | Thickness(mm) | ASTM D5199 | 0.50 | 0.75 | 1.00 | 1.25 | 1.50 | 2.00 | 2.50 | 3.00 |
2 | Density (g/cm2) | ASTM D1505 | 0.939 | |||||||
3 | Tensile Propeties | |||||||||
Yield Strength(N/mm) | ASTM D6693 | 7 | 11 | 15 | 18 | 22 | 29 | 37 | 44 | |
Break Strength(N/mm) | 13 | 20 | 27 | 33 | 40 | 53 | 67 | 80 | ||
Yield Elongation % | Type IV | 12 | ||||||||
Break Elongation % | 700 | |||||||||
4 | Tear Resistance/N | ASTM D1004 | 62 | 93 | 125 | 156 | 187 | 249 | 311 | 374 |
5 | Puncture Resistance/N | ASTM D4833 | 160 | 240 | 320 | 400 | 480 | 640 | 800 | 960 |
6 | Stress Crack resistance/hr | ASTM D5397 (App.) |
300 | |||||||
7 | Carbon Black | |||||||||
Carbon Black Content % | ASTM D1603 | 2.0-3.0 | ||||||||
Carbon Black Dispersion | ASTM D5596 | Carbon black dispersion(only near spherical agglomerates) for 10 different views 9 in categories 1 or 2 and 1 in category 3 |
||||||||
8 | Oxidative Induction Time(OIT) | |||||||||
Standard OIT/min | ASTM D3895 | 100 | ||||||||
High Pressure OIT/min | ASTM D5885 | 400 | ||||||||
9 | Oven Aging at 85°C | |||||||||
Standard OIT-% retained after 90 days | ASTM D3895 | 55 | ||||||||
High pressure OIT-% retained after 90 days | ASTM D5885 | 80 | ||||||||
10 | UV Resistance | |||||||||
Standard OIT retained after 1600 hrs |
ASTM D3895 | 50 | ||||||||
High pressure OIT retained after 1600 hrs |
ASTM D5885 | 50 | ||||||||
11 | Low tempreture impact brittle property at -70°C |
_ | Pass | |||||||
12 | Permeability g·cm/(cm2)·Pa | _ | ≤1.0×10-13 | |||||||
13 | Dimensional Stability/% | _ | ±2 |