CONTINUUM™ DMDC-1270 NT 7
HDPE
陶氏化学(Dow Chemical)
产品描述
CONTINUUM™ DMDC-1270 NT 7 High Density Polyethylene Resin (HDPE) is intended for use in both compression and injection molded closure applications including carbonated soft drink and hot fill closures. This resin has been designed to meet demanding performance requirements, especially in the areas of environmental stress crack resistance, stiffness, impact strength, and sensory, while maintaining good processing characteristics beneficial to molders.
Main Characteristics:
Excellent ESCR, Stiffness, and Impact Strength
Excellent Sensory Properties
Excellent Processing Characteristics
Contains Slip Additive
Complies with
U.S. FDA 21 CFR 177.1520(c)3.2a
Canadian HPFB No Objection
Europe Commission Regulation (EU) No 10/2011
Consult the regulations for complete details.
基本信息
| 原厂资料 | 物性表(英文) | |||
| 产品特性 | 良好的刚性良好冲击性易成型ESCR | |||
| 添加助剂 | 增滑剂 | |||
| 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) | |||
| 颜色形状 | 本色 | |||
| 成型方式 | 注塑模压 | |||
技术参数
| 物理性能 | 值/单位 | 测试标准 | 测试条件 |
|---|---|---|---|
密度 | 0.955 g/cm³ | ASTM D792 | |
密度 | 0.955 g/cm³ | Internal | Base Density |
熔体质量流动速率(MFR) | |||
190℃/2.16 kg | 2.5 g/10min | ASTM D1238 | |
环境应力开裂(ESCR ) | 100 Hours | ASTM D 1693 | 50°C, 10% Igepal, F50 |
环境应力开裂(ESCR ) | 1000 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) | 27 Mpa | ASTM D638 | |
断裂(brk) | 26 Mpa | ASTM D638 | |
拉伸延伸率 | |||
屈服(yld) | 9 % | ASTM D638 | |
断裂(brk) | 920 % | ASTM D638 | |
弯曲模量 | 1100 Mpa | ASTM D790 | 2% Secant |
| 硬度性能 | 值/单位 | 测试标准 | 测试条件 |
邵氏硬度 D | 58 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） | 73 °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 | 118 °C | Internal | DSC |