DOW™ HDPE DMDA-8920 NT 7
High Density Polyethylene Resin
陶氏塑料
产品说明：
Injection molding
For injection molded housewares, toys, food containers and pails
Excellent balance of toughness, stress crack resistance and processability
Very narrow molecular weight distribution
Complies with U.S. FDA 21 CFR 177.1520 (c)3.1a
Complies with U.S. FDA - DMF
Complies with Canadian HPFB No Objection
Complies EU, No 10/2011
Consult the regulations for complete details.
DOW DMDA-8920 NT 7 High Density Polyethylene (HDPE) Resin is produced via UNIPOL™ Process Technology from Dow and is intended for use in a broad range of injection molding applications such as housewares, toys, food containers and pails. This resin has been designed to provide an excellent balance of toughness, environmental stress crack resistance and processability.
物性信息：
| 机构评级 | DMF 未评级 FDA 21 CFR 177.1520(c) 3.1a HPFB (加拿大) No Objection 欧洲 No 10/2011 |
| 形式 | 粒子 |
| 加工方法 | 注射成型 |
| 比重 | 0.954 | g/cm³ | ASTM D792 |
| 熔流率（熔体流动速率） (190°C/2.16 kg) | 20 | g/10 min | ASTM D1238 |
| 抗环境应力开裂 (50°C, 100% Igepal, F50) | 3.00 | hr | ASTM D1693 |
| 肖氏硬度 (邵氏 D) | 57 | ASTM D2240 |
| 抗张强度 | ASTM D638 | ||
| 屈服 | 28.3 | MPa | ASTM D638 |
| 断裂 | 13.8 | MPa | ASTM D638 |
| 伸长率 | ASTM D638 | ||
| 屈服 | 7.0 | % | ASTM D638 |
| 断裂 | 250 | % | ASTM D638 |
| 弯曲模量 - 2% 正割 | 1150 | MPa | ASTM D790B |
| 拉伸冲击强度 1 | 42.0 | kJ/m² | ASTM D1822 |
| 载荷下热变形温度 (0.45 MPa, 未退火) | 72.8 | °C | ASTM D648 |
| 脆化温度 | < -76.1 | °C | ASTM D746 |
| 维卡软化温度 | 127 | °C | ASTM D1525 |
| 溶融温度（DSC） | 130 | °C | 内部方法 |
| 结晶峰温度 (DSC) | 117 | °C | 内部方法 |