Radici Compounds AH50W    
    
乙缩醛（POM）均聚物    
    
Radici Plastics USA, Inc.   
     
 Technical Data    
     

产品说明

AH50W is an acetal homopolymer compound, stabilized for best protection against the effects of prolonged outdoor exposure by the addition of finely dispersed U.V. absorbers. The viscosity of this composition is suitable for general purpose injection applications. Acetal homopolymer is a highly crystalline engineering thermoplastic polymer exhibiting predictable mechanical properties over a wide temperature range and for long time periods. AH50W maintains a good natural color, accepts color pigments well, and is suggested for use where for aesthetic reasons, black is not acceptable. For the very best weathering performance in especially aggressive environments, the use of AH50W BK20, which in addition contains 2% finely dispersed black pigment, is recommended.

总体

材料状态 • 已商用：当前有效   
资料 1 •  Technical Datasheet (English)
  
Search for UL Yellow Card •  Radici Plastics USA, Inc.
  
供货地区 • 北美洲   
性能特点 • 高结晶 • 良好的着色性 • 紫外线吸收 
 • 良好的颜色稳定性 • 一般目的  
    
用途 • 一般目的   
外观 • 可用颜色 • 自然色  
加工方法 • 注射成型   

 物理性能 额定值单位制 测试方法
 比重 1.42g/cm³ ASTM D792
 收缩率 - 流动 (3.18 mm) 2.2% ASTM D955
 吸水率 (24 hr) 0.22% ASTM D570
 机械性能 额定值单位制 测试方法
 抗张强度 (屈服) 68.9MPa ASTM D638
 伸长率 (断裂) 20 到 25% ASTM D638
 弯曲模量 2860MPa ASTM D790
 弯曲强度 97.2MPa ASTM D790
 冲击性能 额定值单位制 测试方法
 悬壁梁缺口冲击强度 (3.18 mm) 59J/m ASTM D256
 硬度 额定值单位制 测试方法
 洛氏硬度  ASTM D785
 M 计秤 94 
 R 计秤 120 
 热性能 额定值单位制 测试方法
 热变形温度 (1.8 MPa, 未退火) 136°C ASTM D648
 熔融温度 175°C ASTM D789
   
 注射 额定值单位制 
 干燥温度 76.7 到 87.8°C 
 干燥时间 1.0 到 2.0hr 
 建议注入量 40 到 70% 
 螺筒后部温度 199°C 
 螺筒中部温度 204°C 
 螺筒前部温度 210°C 
 加工（熔体）温度 191 到 227°C 
 模具温度 82.2 到 116°C 
 背压 0.345MPa 
 螺杆转速 40 到 80rpm 
 垫层 3.18 到 6.35mm