CONTINUUM™ DGDB-2490 BK
HDPE
陶氏化学(Dow Chemical)
产品描述
CONTINUUM™ DGDB-2490 BK Bimodal Polyethylene Resin is produced using UNIPOL™ II process technology. This product may be utilized for pipe applications where long-term hydrostatic strength combined with outstanding resistance to slow crack growth and rapid crack propagation is desired. Suitable applications include natural gas distribution pipes, industrial piping, mining, sewage, and municipal water service lines.
Industrial Standards Compliance:
ASTM D 3350: cell classification
Black - PE445576C
Plastics Pipe Institute (PPI): TR-4
Black Pipe - CONTINUUM DGDB-2490 BK 100 (See NOTES A)
ISO PE100 pipe grade - MRS 10 @ 20°C; CRS 10 @ 20°C, 100 yr; CRS 8 @ 40°C, 90 yr; MRS 6.3 @ 60°C, 11 yr
ASTM PE4710 pipe grade - 1600psi HDB @ 73°F and 1000psi HDB @ 140°F
National Sanitation Foundation (NSF): Standard 14 and 61
Black Pipe - DGDB-2490 (See NOTES A)
Standard 14 and 61.
Consult the regulations for complete details.
NOTES:
(A) Natural resin extruded under proper conditions with carbon black masterbatch DFNF-0092 (6.5%).
基本信息
| 原厂资料 | 物性表(英文) | |||
| 颜色形状 | 黑色 | |||
| 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) | 24.8 Mpa | ASTM D638 | |
拉伸延伸率 | |||
断裂(brk) | 740 % | ASTM D638 | |
弯曲模量 | 1030 Mpa | ASTM D790 | |
管材缺口拉伸实验 | 10000 hr | ASTM F1473 | PENT |
耐快速裂纹扩展(RCP) | -17 °C | ISO 13477 | |
耐快速裂纹扩展(RCP) | 12 bar | ISO 13477 | S-4 : 0°C |
耐快速裂纹扩展(RCP) | 45.8 bar | ISO 13478 | 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 |
加工温度 | 193~227 °C | - | Extrusion |
热稳定性 | 220 °C | ASTM D3350 |