DOWLEX™ 2552E
LLDPE
陶氏化学(Dow Chemical)
产品描述
DOWLEX™ 2552E Polyethylene Resin is specifically designed to exhibit excellent low temperature flexibility and impact resistance with outstanding stress crack resistance in injection moulded parts. DOWLEX 2552E Polyethylene Resin injection mouldings also offer excellent toughness, dimensional stability and a high gloss.
Note: DOWLEX 2552E Polyethylene Resin should comply with FDA regulation 177.1520 and with most European food contact regulations when used unmodified and processed according to good manufacturing practices for food contact applications. Please, contact your nearest Dow office for food contact compliance statements. The purchaser remains responsible for determining whether the use complies with all relevant regulations.
Applications:
Housewares.
Lids.
Toys.
Winter sports articles.
Industrial caps and closures.
基本信息
| 原厂资料 | 物性表(英文) | |||
| 产品特性 | 耐低温冲击良好柔韧性高光泽尺寸稳定食品接触级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) | |||
| 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 | 0.92 g/cm³ | ASTM D792 | |
熔体质量流动速率(MFR) | |||
190℃/2.16 kg | 25 g/10min | ISO 1133 | |
收缩率 | |||
纵向(Flow) | 2.4 % | ASTM D 955 | |
螺旋流 | 1090 mm | - | |
环境应力开裂(ESCR ) | 6.7 Hours | ASTM D 1693 | 50°C, 100% Antarox, Compression Molded |
环境应力开裂(ESCR ) | 1.2 Hours | ASTM D 1693 | 50°C, 100% Antarox, Injection Molded |
| 机械性能 | 值/单位 | 测试标准 | 测试条件 |
拉伸延伸率 | |||
断裂(brk) | 870 % | ASTM D638 | Injection Molded |
拉伸模量 | 256 Mpa | ASTM D638 | 2% Secant, Compression Molded |
拉伸模量 | 155 Mpa | ASTM D638 | 2% Secant, Injection Molded |
| 冲击性能 | 值/单位 | 测试标准 | 测试条件 |
悬臂梁缺口(Izod Notched) | |||
-40℃ (-40℉) | 90 kJ/m² | ASTM D256 | Injection Molded |
-20℃ (-4℉) | NB kJ/m² | ASTM D256 | Injection Molded |
23℃ (73℉) | NB kJ/m² | ASTM D256 | Injection Molded |
拉伸冲击 | 105 kJ/m² | ISO 8256 | Compression Molded |
| 硬度性能 | 值/单位 | 测试标准 | 测试条件 |
邵氏硬度 D | 48 D | ASTM D 2240 | Compression Molded |
| 热学性能 | 值/单位 | 测试标准 | 测试条件 |
维卡软化温度(Vicat) | 92 °C | ASTM D1525 |