DOW™ LLDPE DNDB-7147 NT 7
LLDPE
陶氏化学(Dow Chemical)
产品描述
DNDB-7147 NT 7 Linear Low Density Polyethylene (LLDPE) Resin is produced using UNIPOL™ PE Process Technology and is intended for use in injection molded applications such as food containers, housewares and lids. This resin has been designed to have an excellent balance of impact strength, rigidity, environmental stress crack resistance and processability.
Main Characteristics :
Injection molding
Excellent low temperature impact strength, rigidity, stress crack resistance and processability
Very narrow molecular weight distribution
Complies with U.S. FDA 21 CFR 177.1520(c)3.1a.
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ESCR | |||
| 法规认证 | FDA(食品药品监督管理局) | |||
| 成型方式 | 注塑 | |||
技术参数
| 物理性能 | 值/单位 | 测试标准 | 测试条件 |
|---|---|---|---|
密度 | 0.926 g/cm³ | ASTM D792 | |
熔体质量流动速率(MFR) | |||
190℃/2.16 kg | 50 g/10min | ASTM D1238 | |
环境应力开裂(ESCR ) | 5 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) | 9.65 Mpa | ASTM D638 | |
断裂(brk) | 7.58 Mpa | ASTM D638 | |
拉伸延伸率 | |||
屈服(yld) | 3 % | ASTM D638 | |
断裂(brk) | 120 % | ASTM D638 | |
弯曲模量 | 421 Mpa | ASTM D790 | 2% Secant |
| 冲击性能 | 值/单位 | 测试标准 | 测试条件 |
拉伸冲击 | 189 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 | 52 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） | 45 °C | ASTM D648 | Unannealed |
维卡软化温度(Vicat) | 90 °C | ASTM D1525 | |
熔融温度(Tm) | 124 °C | Internal | DSC |
结晶温度 | 109 °C | Internal | DSC |