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UNITEM® PEI
聚醚酰亞胺
Nytef Plastics, Ltd. 

Technical Data

產品說明

UNITEM Polyetherimide (PEI) is an amorphous thermoplastic that is manufactured from SABIC Innovative Plastics' ULTEM resin. UNITEM PEI is extremely rigid, dimensionally stable, and able to withstand continuous operating temperatures of 340°F. Because it offers superior resistance to autoclave sanitizing and is FDA/USDA compliant, UNITEM PEI is routinely specified for reusable machined components used in the medical and pharmaceutical industries. This material also offers electronic and semiconductor designers unmatched dielectric properties that are maintained over a wide frequency range. Unfilled UNITEM PEI is dark amber in color and semi-transparent. For applications that require improved stiffness, glass fiber filled grades with filler levels of 10%-40% are available. Nytef Plastics' UNITEM PEI stock shapes are UL V-0 rated and available in a full range of heavy gauge rod, plate and tubular bar sizes.

PRODUCT ATTRIBUTES    
• 340°F continuous use temperature    
• Semi-transparent with light amber color   
• Excellent strength and rigidity, even at elevated temperatures  
• Low moisture absorption    
• Superior electrical properties    
• Rated UL V-0    
• Easily machined and fabricated    
• FDA, USDA compliant    
• Glass fiber filled grades for improved strength and stiffness  
INDUSTRIES    
• Medical and pharmaceutical    
• Aircraft and aerospace    
• Fluid handling    
• Electrical and electronics manufacturing  
• Microwave communications    
APPLICATIONS    
• Sight glasses    
• Manifolds    
• Electrical insulators    
• Electrical component housings    
• Aircraft instrumentation    
總體     
材料狀態 • 已商用：當前有效  
資料 1 •  Technical Datasheet (English)
 
供貨地區 • 北美洲 • 歐洲 
  • 尺寸穩定性良好 • 高強度 • 良好的電氣性能
性能特點 • 非晶性 • 高壓滅菌 • 食品接觸的合規性
  • 剛性，高 • 可切削 • 吸潮性差
  • 電氣/電子應用領域 • 飛機應用 • 眼鏡
用途  • 電氣部件 • 管道密封 • 液體處理
  • 飛機內飾 • 航空航天應用 • 醫療/護理領域的應用
機構評級 • FDA 未評級 • NSF 未評級 
外觀  • Clear Amber  
形式  • 棒材 • 預制件 
    
物理性能   額定值單位制 測試方法
比重    1.27g/cm³ ASTM D792
吸水率    ASTM D570
24 hr   0.25% 
飽和   1.3% 
機械性能   額定值單位制 測試方法
拉伸模量   3450MPa ASTM D638
抗張強度 (屈服)   105MPa ASTM D638
伸長率 (斷裂)   60 到 80% ASTM D638
 
UNITEM® PEI
聚醚酰亞胺
Nytef Plastics, Ltd.   
      
  機械性能 額定值單位制 測試方法 
     
  彎曲模量 3310MPa ASTM D790 
  彎曲強度 152MPa ASTM D790 
  壓縮強度 152MPa ASTM D695 
  沖擊性能 額定值單位制 測試方法 
  懸壁梁缺口沖擊強度 53J/m ASTM D256 
  硬度 額定值單位制 測試方法 
  洛氏硬度  ASTM D785 
  M 計秤 109   
  R 計秤 123   
  熱性能 額定值單位制 測試方法 
  熱變形溫度 (1.8 MPa, 未退火) 200°C ASTM D648 
  最高連續使用溫度 171°C UL 746 
  維卡軟化溫度 219°C ASTM D3418 
  線形膨脹系數 - 流動 0.000056cm/cm/°C ASTM D696 
  電氣性能 額定值單位制 測試方法 
  體積電阻率 > 1.0E+17ohm•cm ASTM D257 
  介電強度 3 33kV/mm ASTM D149 
  介電常數  ASTM D150 
  60 Hz 3.20   
  1 MHz 3.15   
  耗散因數 (60 Hz) 0.0010 ASTM D150 
  可燃性 額定值單位制 測試方法 
  UL 阻燃等級 (3.18 mm) V-0 UL 94