CONTINUUM™ DGDA-2490 WH
HDPE
陶氏化学(Dow Chemical)
产品描述
CONTINUUM™ DGDA-2490 WH 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 municipal water service lines, industrial piping, mining and sewage.
Industrial Standards Compliance:
ASTM D 3350: cell classification
Natural — PE445574A CC2
White - PE445574E CC0 (See Note A)
Plastics Pipe Institute (PPI): TR-4
Natural Pipe — CONTINUUM™ DGDA 2490 NT
ASTM PE4710 pipe grade - 1600psi HDB and 1000psi HDS @ 73°F, and 1000psi HDB @ 140°F
White Pipe — CONTINUUM™ DGDA 2490 WH (See Note B)
ASTM PE4710 pipe grade - 1600psi HDB and 1000psi HDS @ 73°F, and 1000psi HDB @ 140°F
NSF International: Standard 14 and 61
Consult the regulations for complete details.
NOTES
(A) The first five numbers of the cell classification are based on natural resin. The last number and letter are based on white resin (natural resin plus 2% DFDA-0027 WH 2).
(B) Natural resin extruded under proper conditions with 2.0% white masterbatch DFDA-0027 WH2
基本信息
| 原厂资料 | 物性表(英文) | |||
| 添加助剂 | 加工助剂 | |||
| 法规认证 | ASTM D3350(聚乙烯塑料管和配件材料标准)NSF(美国卫生基金会食品认证)PPI(美国塑料管材协会) | |||
| 颜色形状 | 白色 | |||
| 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 | 0.949 g/cm³ | ASTM D792 | Natural |
密度 | 0.954 g/cm³ | ASTM D792 | White |
熔体质量流动速率(MFR) | |||
190℃/2.16 kg | 0.08 g/10min | ASTM D1238 | |
190℃/21.6 kg | 7.5 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 | ISO 13479 | PENT |
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 | S-4 @10 bar |
耐快速裂纹扩展(RCP) | 45.7 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 |
热稳定性 | 220 °C | ASTM D3350 |