DOW™ HDPE DMDA-8904 NT 7
HDPE
陶氏化学(Dow Chemical)
产品描述
DOW DMDA-8904 NT 7 High Density Polyethylene (HDPE) Resin is produced via UNIPOL™ Process Technology from Dow and is intended for use in injection molding applications such as pails, industrial parts and other shipping containers. This resin has been designed to provide excellent processability for molders and to meet the rigorous performance characteristics of applications requiring stackability, environmental stress crack resistance and impact strength. This resin is also suitable for cast film extrusion processing.
Injection molding
For injection molded pails, industrial parts and other shipping containers
Excellent impact strength, stress crack resistance and processability
Very narrow molecular weight distribution
Complies with:
U.S. FDA 21 CFR 177.1520 (c)3.2a
Canadian HPFB No Objection
EU, No 10/2011
Consult the regulations for complete details.
基本信息
| 原厂资料 | 物性表-ASTM(英文) | |||
| 产品特性 | 良好冲击性易成型ESCR | |||
| 法规认证 | EU Food Contact(2011/10/EC)(欧盟食品级)FDA(食品药品监督管理局)HPFB (加拿大健康产品和食品局) | |||
| 成型方式 | 流延薄膜注塑 | |||
技术参数
| 物理性能 | 值/单位 | 测试标准 | 测试条件 |
|---|---|---|---|
密度 | 0.952 g/cm³ | ASTM D792 | |
密度 | 0.952 g/cm³ | Internal | Base Density |
熔体质量流动速率(MFR) | |||
190℃/2.16 kg | 4.4 g/10min | ASTM D1238 | |
环境应力开裂(ESCR ) | 22 Hours | ASTM D 1693 | 50°C, 100% Igepal, F50 |
| 机械性能 | 值/单位 | 测试标准 | 测试条件 |
拉伸强度 | |||
屈服(yld) | 26.9 Mpa | ASTM D638 | |
断裂(brk) | 31 Mpa | ASTM D638 | |
拉伸延伸率 | |||
屈服(yld) | 9 % | ASTM D638 | |
断裂(brk) | 1200 % | ASTM D638 | |
弯曲模量 | 1100 Mpa | ASTM D790 | 2% Secant |
| 冲击性能 | 值/单位 | 测试标准 | 测试条件 |
拉伸冲击 | 84.1 kJ/m² | ASTM D 1822 | Type S |
脆化温度 | -76.1 °C | ASTM D 746 | |
| 硬度性能 | 值/单位 | 测试标准 | 测试条件 |
邵氏硬度 D | 59 D | ASTM D 2240 | |
| 热学性能 | 值/单位 | 测试标准 | 测试条件 |
热变形温度(HDT) | |||
0.45 Mpa (66 psi)（4.6kg/cm²） | 72.2 °C | ASTM D648 | Unannealed |
维卡软化温度(Vicat) | 129 °C | ASTM D1525 | |
熔融温度(Tm) | 131 °C | Internal | DSC |
结晶温度 | 119 °C | Internal | DSC |
加工温度 | 274 °C | - | Extrusion |
| 光学性能 | 值/单位 | 测试标准 | 测试条件 |
雾度 | 3 % | ASTM D1003 | 25.4 µm, Cast Film |
光泽度 | 87 - | ASTM D 2457 | 45°, 25.4 µm, Cast Film |
| 薄膜性能 | 值/单位 | 测试标准 | 测试条件 |
拉伸强度 | |||
屈服(yld) | 24.2 Mpa | ASTM D 882 | MD, 25 µm, Cast Film |
屈服(yld) | 20.7 Mpa | ASTM D 882 | TD, 25 µm, Cast Film |
断裂(brk) | 45.7 Mpa | ASTM D 882 | MD, 25 µm, Cast Film |
断裂(brk) | 38.9 Mpa | ASTM D 882 | TD, 25 µm, Cast Film |
拉伸延伸率 | |||
断裂(brk) | 690 % | ASTM D 882 | MD, 25 µm, Cast Film |
断裂(brk) | 940 % | ASTM D 882 | TD, 25 µm, Cast Film |
耐穿透性 | 0.662 J/cm³ | Internal | 25 µm |
埃尔曼多夫撕裂 | 22 g | ASTM D 1922 | MD, 25 µm, Cast Film |
埃尔曼多夫撕裂 | 160 g | ASTM D 1922 | TD, 25 µm, Cast Film |
割线模量 | 560 Mpa | ASTM D 882 | 2% Secant, MD : 25 µm, Cast Film |
割线模量 | 632 Mpa | ASTM D 882 | 2% Secant, TD : 25 µm, Cast Film |
落锤冲击 | 28 g | ASTM D 1709 | 25 µm, Cast Film |