东莞市崀峰塑胶原料有限公司
Vydyne? R228
聚酰胺66
40% 矿物填料
Ascend Performance Materials Operations LLC
产品说明：
Vydyne R228 is a 40% mineral-reinforced PA66 resin formulated for improved impact strength. Available in black, it is an injection-molding grade formulated to retain the inherent processing advantages of unreinforced PA66 while enhancing rigidity, strength and heat resistance. Vydyne R228 maintains the chemical resistance typical of PA66 to a wide variety of chemicals, gasoline, oils, greases and solvents.
Vydyne R228 resin utilizes a unique mineral-reinforced PA66 system developed by Ascend Performance Materials to satisfy the market need for a high-rigidity thermoplastic as an alternative to certain metals. This mineral system provides two key features:
(1) isotropic behavior-property development in molded parts is usually independent of flow direction.
(2) a reduction in the tendency to develop sink marks in heavy cross sections such as molded-in bosses and ribs.
While not sink-free, parts made from Vydyne R228 can often permit boss and rib design or wall cross section changes that would not be tolerable in other unreinforced thermoplastic materials. Thus Vydyne R228 resin offers more uniform molded part strength and performance, as well as wider latitude in part design.
Vydyne R228 resin utilizes a unique mineral-reinforced PA66 system developed by Ascend Performance Materials to satisfy the market need for a high-rigidity thermoplastic as an alternative to certain metals. This mineral system provides two key features:
(1) isotropic behavior-property development in molded parts is usually independent of flow direction.
(2) a reduction in the tendency to develop sink marks in heavy cross sections such as molded-in bosses and ribs.
While not sink-free, parts made from Vydyne R228 can often permit boss and rib design or wall cross section changes that would not be tolerable in other unreinforced thermoplastic materials. Thus Vydyne R228 resin offers more uniform molded part strength and performance, as well as wider latitude in part design.
Vydyne R228 resin is a workhorse of Ascend Performance Materials' full line of mineral-reinforced PA66 resins, providing the best overall balance of properties. Vydyne R228 is heat stabilized and designed to provide increased ductility and reduced melt viscosity vs. unreinforced materials.This ductility improvement results in tougher, more impact-resistant molded parts. The reduction in melt viscosity enhances overall ease of injection-molding, resulting in minor reductions in tensile strength, modulus and heat distortion temperature. Parts manufactured from Vydyne R228 have successfully withstood paint bake oven cycles without significant loss of either dimensional stability or part properties.
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Vydyne R228 物性表
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| 物理性能 | 干燥 | 调节后的 | 单位制 | 测试方法 |
|---|---|---|---|---|
| 密度 | 1.48 | -- | g/cm3 | ISO 1183 |
| 收缩率 | ISO 294-4 | |||
| 垂直流动方向 : 23°C, 2.00 mm | 1.0 | -- | % | ISO 294-4 |
| 流动方向 : 23°C, 2.00 mm | 1.1 | -- | % | ISO 294-4 |
| 吸水率 | ISO 62 | |||
| 23°C, 24 hr | 1.1 | -- | % | ISO 62 |
| 平衡, 23°C, 50% RH | 1.6 | -- | % | ISO 62 |
| 机械性能 | 干燥 | 调节后的 | 单位制 | 测试方法 |
|---|---|---|---|---|
| 拉伸模量(23°C) | 6900 | 2600 | MPa | ISO 527-2 |
| 拉伸应力(屈服, 23°C) | 103 | 73.0 | MPa | ISO 527-2 |
| 拉伸应变 | ISO 527-2 | |||
| 屈服, 23°C | 1.5 | 16 | % | ISO 527-2 |
| 断裂, 23°C | 6.0 | 30 | % | ISO 527-2 |
| 弯曲模量(23°C) | 6100 | 2300 | MPa | ISO 178 |
| 弯曲强度(23°C) | 124 | 50.0 | MPa | ISO 178 |
| 泊松比 | 0.40 | -- | ISO 527 |
| 冲击性能 | 干燥 | 调节后的 | 单位制 | 测试方法 |
|---|---|---|---|---|
| 简支梁缺口冲击强度 | ISO 179/1eA | |||
| -30°C | 6.0 | 8.0 | kJ/m2 | ISO 179/1eA |
| 23°C | 7.0 | 17 | kJ/m2 | ISO 179/1eA |
| 简支梁无缺口冲击强度 | ISO 179/1eU | |||
| -30°C | 110 | 130 | kJ/m2 | ISO 179/1eU |
| 23°C | 140kJ/m2 | 无断裂 | ISO 179/1eU | |
| 悬壁梁缺口冲击强度 | ISO 180 | |||
| -30°C | 7.0 | 7.0 | kJ/m2 | ISO 180 |
| 23°C | 9.0 | 16 | kJ/m2 | ISO 180 |
| 热性能 | 干燥 | 调节后的 | 单位制 | 测试方法 |
|---|---|---|---|---|
| 热变形温度 | ||||
| 0.45 MPa, 未退火 | 222 | -- | °C | ISO 75-2/B |
| 1.8 MPa, 未退火 | 118 | -- | °C | ISO 75-2/A |
| 熔融温度 | 258 | -- | °C | ISO 11357-3 |
| 线形热膨胀系数 | ISO 11359-2 | |||
| 流动 : 23 到 55°C, 2.00 mm | 6.3E-4 | -- | cm/cm/°C | ISO 11359-2 |
| 横向 : 23 到 55°C, 2.00 mm | 6.0E-4 | -- | cm/cm/°C | ISO 11359-2 |
| 补充信息 | 干燥 | 调节后的 | 测试方法 | |
|---|---|---|---|---|
| Automotive Materials - (thickness d = 1mm) | + | -- | FMVSS 302 |
| 注射 | 干燥 | 单位制 | |
|---|---|---|---|
| 干燥温度 | 80.0 | °C | |
| 干燥时间 | 4.0 | hr | |
| 建议的最大回制料比例 | 25 | % | |
| 料筒后部温度 | 280 到 310 | °C | |
| 料筒中部温度 | 280 到 310 | °C | |
| 料筒前部温度 | 280 到 310 | °C | |
| 射嘴温度 | 280 到 310 | °C | |
| 加工（熔体）温度 | 285 到 305 | °C | |
| 模具温度 | 65.0 到 95.0 | °C |
