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  2. DOW™ DGDB-2480 NT High Density Polyethylene Resin

DOW™ DGDB-2480 NT High Density Polyethylene Resin

This product 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%).

性能

这些数值为典型性能，并且不用于在规格制定过程中使用。

典型性能

  • 2% MD正割模量 (ASTM D882) MPa (psi) 是 否 > 827 (> 120
  • 2% TD正割模量 (ASTM D882) MPa (psi) 是 否 > 827 (> 120
  • MD断裂伸长率 是 否 850 %
  • TD断裂伸长率 是 否 850 %
  • 功能性 是 否 继续性能
  • 密度 (ASTM D792) 是 否 0.945 g/cm3
  • 密度范围 是 否 .940-.950
  • 工艺 是 否 管道挤出
  • 开口剂 是 否 否
  • 拉伸强度 MD（ASTM D638）MPa (psi) 是 否 22.1 (3200)
  • 拉伸强度 TD（ASTM D638）MPa (psi) 是 否 22.1 (3200)
  • 熔融指数（g/10min @190°C/21.6 kg）(ASTM D1238) 是 否 0.1
  • 爽滑剂 是 否 否
  • 脆化温度 °C(°F) 是 否 < -100
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