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      VALOX(沙伯基礎)315/PBT熱塑性聚酯/物性表參數

      責任編輯:admin發表時間:2020-04-18 04:15:01

      沙伯基礎創新塑料SABIC的VALOX 315 PBT是一種無增強、僅用于擠出/復合(不用于注塑),高粘度,熔體粘度在7500至9500磅之間的PBT塑膠原料。
      沙伯基礎創新塑料的VALOX 315 PBT物性表參數PDF文檔下載
      VALOX 315
      以下是VALOX(沙伯基礎)315/PBT熱塑性聚酯/物性表參數
      PROPERTIES   TYPICAL VALUES UNITS TEST METHODS
      MECHANICAL        
      Tensile Stress, yld, Type I, 50 mm/min   51 MPa ASTM D 638
      Tensile Strain, brk, Type I, 50 mm/min   200 % ASTM D 638
      Flexural Stress, yld, 1.3 mm/min, 50 mm span   82 MPa ASTM D 790
      Flexural Modulus, 1.3 mm/min, 50 mm span   2340 MPa ASTM D 790
      IMPACT        
      Izod Impact, notched, 23°C   53 J/m ASTM D 256
      THERMAL        
      HDT, 1.82 MPa, 3.2mm, unannealed   52 °C ASTM D 648
      HDT, 1.82 MPa, 6.4 mm, unannealed   54 °C ASTM D 648
      CTE, -40°C to 60°C, flow   2.E-04 1/°C ASTM E 831
      Relative Temp Index, Elec   120 °C UL 746B
      Relative Temp Index, Mech w/impact   120 °C UL 746B
      Relative Temp Index, Mech w/o impact   140 °C UL 746B
      PHYSICAL        
      Specific Gravity   1.31 - ASTM D 792
      Water Absorption, 24 hours   0.08 % ASTM D 570
      Mold Shrinkage, flow, 3.2 mm   1.7-2.3 % SABIC method
      ELECTRICAL        
      Volume Resistivity   4.E+16 Ohm-cm ASTM D 257
      Relative Permittivity, 1 MHz   0.02 - ASTM D 150
      Dissipation Factor, 1 MHz   3.1 - ASTM D 150
      Injection Molding        
      Drying Temperature   120 °C  
      Drying Time   3-4 hrs  
      Drying Time (Cumulative)   12 hrs  
      Melt Temperature   235-265 °C  
      Mold Temperature   45-60 °C

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