DOW™ HDPE DGDB-2480 NT
HDPE
陶氏化学(Dow Chemical)
产品描述
DOW DGDB-2480 NT High Density Polyethylene resin is produced using UNIPOL™ process technology. It is intended for use in pipe applications where long term hydrostatic strength and resistance to slow crack growth are desired. Suitable applications include natural gas distribution pipes, large diameter industrial piping, mining, sewage, and municipal water service lines.
Industrial Standards Compliance:
ASTM D 3350: cell classification
Natural - PE345464A
Black - PE345464C (See NOTES A)
Plastics Pipe Institute (PPI): TR-4
Natural Pipe - DGDB-2480 NT 3408
ASTM PE3608 pipe grade - 1600psi HDB @ 73°F
Black Pipe - DGDB-2480 BK 3408 (See NOTES B)
ASTM PE3608 pipe grade - 1600psi HDB @ 73°F and 800psi HDB @ 140°F
National Sanitation Foundation (NSF)
Standard 14 and 61
Natural Pipe - DGDB-2480 NT 3608
Black Pipe - DGDB-2480 BK 3608 (See NOTES B)
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 black resin (natural resin plus 6.5% DFNF-0092).
(B) 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-ASTM(英文) | |||
| 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) | |||
| 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 | 0.944 g/cm³ | ASTM D792 | Natural resin |
密度 | 0.954 g/cm³ | Internal | with carbon black masterbatch DFNF-0092 (6.5%) |
熔体质量流动速率(MFR) | |||
190℃/2.16 kg | 0.1 g/10min | ASTM D1238 | |
190℃/21.6 kg | 8.3 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) | 22.1 Mpa | ASTM D638 | |
拉伸延伸率 | |||
断裂(brk) | 850 % | ASTM D638 | |
弯曲模量 | 827 Mpa | ASTM D790 | |
管材缺口拉伸实验 | 200 hr | ASTM F1473 | PENT 80°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℉) | 210 J/m | ASTM D256 | |
脆化温度 | -100 °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 | 250 °C | ASTM D3350 |