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CONTINUUM™ DGDA-2490 NT

CONTINUUM™ DGDA-2490 NT

CONTINUUM™ DGDA-2490 NT

HDPE

陶氏化学(Dow Chemical)

产品描述

CONTINUUM DGDA-2490 NT 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

  • Natural - PE445576A CC2 (MRS)

  • Black - PE445576C CC2 (MRS) (See NOTES A)

  • Natural - PE445574A CC2 (HDB)

  • Black - PE445574C CC2 (HDB) (See NOTES A)

Plastics Pipe Institute (PPI): TR-4

  • Natural Pipe - CONTINUUM DGDA-2490 NT

    • ASTM PE4710 pipe grade - 1600psi HDB and 1000psi HDS @ 73°F

  • Black Pipe - CONTINUUM DGDA-2490 BK (See NOTES A)

-- ISO PE100 pipe grade - MRS 10 @ 20°C; CRS 10 @ 20°C, 100 yr; CRS 8 @ 40°C, 90 yr; CRS 6.3 @ 60°C, 11 yr; CRS 11.2 @ 14°C, 50 yr
-- ASTM PE4710 pipe grade - 1600psi HDB and 1000psi HDS @ 73°F, and 1000psi HDB @ 140°F
NSF International: Standard 14 and 61
- Natural Pipe - DGDA-2490 NT
- Black Pipe - DGDA-2490 BK (See NOTES A)

U.S. FDA 21 CFR 177.1520(c)3.2a
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 BK).

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)
FDA(食品药品监督管理局)
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
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 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
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