INTREPID™ 2498 NT
HDPE
陶氏化学(Dow Chemical)
产品描述
INTREPID™ 2498 NT Bimodal Polyethylene Resin is produced using UNIPOL™ II process technology. This product is intended for use in industrial piping system where extreme conditions such as high pressures, elevated temperatures and aggressive chemicals or hydrocarbons exist. Suitable uses include oil & gas field pipelines, gas distribution pipelines, and other industrial applications.
Industrial Standards Compliance:
ASTM D 3350: cell classification
Black - PE445576C (MRS) (See NOTES 1)
Black - PE445574C (HDB) (See NOTES 1)
Plastics Pipe Institute (PPI): TR-4
Black Pipe - INTREPID 2498 BK (See NOTES 1)
ISO PE100 pipe grade - MRS 10 @ 20°C;
ASTM PE4710 pipe grade - 1600 psi HDB and 1000 psi HDS @ 73°F, and 1000 psi HDB @ 140°F
NOTES: (1) The first five numbers of the cell classification are based on natural resin. The last number and letter are based on black resin (natural resin plus 6.5% DFNF-0092 BK).
基本信息
| 原厂资料 | 物性表(英文) | |||
| 颜色形状 | 本色 | |||
| 成型方式 | 管材挤出 | |||
技术参数
| 物理性能 | 值/单位 | 测试标准 | 测试条件 |
|---|---|---|---|
密度 | 0.959 g/cm³ | ASTM D792 | Black |
密度 | 0.949 g/cm³ | ASTM D792 | Natural |
熔体质量流动速率(MFR) | |||
190℃/2.16 kg | 0.08 g/10min | ASTM D1238 | |
190℃/21.6 kg | 7 g/10 min | ASTM D 1238 | |
| 机械性能 | 值/单位 | 测试标准 | 测试条件 |
拉伸强度 | |||
屈服(yld) | 24.1 Mpa | ASTM D638 | |
拉伸延伸率 | |||
断裂(brk) | 500 % | ASTM D638 | |
弯曲模量 | 1030 Mpa | ASTM D790 | |
管材缺口拉伸实验 | 10000 hr | ASTM F1473 | PENT |
管材缺口拉伸实验 | 1000 hr | ISO 13479 | Pipe notch, 80°C |
耐快速裂纹扩展(RCP) | 12 bar | ISO 13477 | S-4 : 0°C |
耐快速裂纹扩展(RCP) | -17 °C | ISO 13477 | Tc - S-4 @ 10 bar |
耐快速裂纹扩展(RCP) | 46 bar | ISO 13478 | Calculated, Full Scale : 0°C |
| 冲击性能 | 值/单位 | 测试标准 | 测试条件 |
悬臂梁缺口(Izod Notched) | |||
23℃ (73℉) | 490 J/m | ASTM D256 | |
脆化温度 | -75 °C | ASTM D 746 | |
| 热学性能 | 值/单位 | 测试标准 | 测试条件 |
热稳定性 | 220 °C | ASTM D3350 | |
| 其他性能 | 值/单位 | 测试标准 | 测试条件 |
流体静力强度 | 200 Hours | ISO 4427 | 12.4 MPa, 20°C |
流体静力强度 | 1000 Hours | ISO 4427 | 5 MPa, 80°C |