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PBT VALOX ? Resin K3501 沙伯基礎(chǔ)創(chuàng)新塑料專(zhuān)業(yè)經(jīng)銷(xiāo)商
發(fā)布時(shí)間：2016-04-19 瀏覽次數(shù)：285 返回列表
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Unfilled PBT, Hydrollytically Stable, Heat Stabilized, Impact Modified. A hydrollytically stable grade designed for improved performance under heat/humidity environments. Targeted at automotive underhood applications requiring USCAR-2 Class III humidity/heat performance.
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TYPICAL PROPERTIES (1)
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MECHANICAL
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Value
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Unit
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Standard
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Tensile Stress, yld, Type I, 50 mm/min
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500
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kgf/cm2
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ASTM D 638
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Tensile Stress, brk, Type I, 50 mm/min
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250
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kgf/cm2
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ASTM D 638
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Tensile Strain, yld, Type I, 50 mm/min
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3.5
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%
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ASTM D 638
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Tensile Strain, brk, Type I, 50 mm/min
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50
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%
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ASTM D 638
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Tensile Modulus, 50 mm/min
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24400
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kgf/cm2
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ASTM D 638
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Flexural Stress, yld, 1.3 mm/min, 50 mm span
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710
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kgf/cm2
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ASTM D 790
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Flexural Modulus, 1.3 mm/min, 50 mm span
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21400
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kgf/cm2
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ASTM D 790
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Tensile Stress, yield, 50 mm/min
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50
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MPa
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ISO 527
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Tensile Strain, yield, 50 mm/min
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3.5
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%
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ISO 527
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Tensile Strain, break, 50 mm/min
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40
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%
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ISO 527
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Tensile Modulus, 1 mm/min
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2100
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MPa
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ISO 527
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Flexural Stress, yield, 2 mm/min
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70
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MPa
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ISO 178
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Flexural Modulus, 2 mm/min
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2000
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MPa
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ISO 178
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IMPACT
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Value
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Unit
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Standard
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Izod Impact, unnotched, -30°C
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NB
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cm-kgf/cm
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ASTM D 4812
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Izod Impact, notched, 23°C
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9
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cm-kgf/cm
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ASTM D 256
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Izod Impact, notched, 0°C
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8
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cm-kgf/cm
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ASTM D 256
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Izod Impact, notched, -20°C
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7
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cm-kgf/cm
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ASTM D 256
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Izod Impact, unnotched 80*10*4 -30°C
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NB
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kJ/m2
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ISO 180/1U
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Izod Impact, notched 80*10*4 +23°C
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8
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kJ/m2
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ISO 180/1A
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THERMAL
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Value
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Unit
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Standard
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HDT, 1.82 MPa, 3.2mm, unannealed
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45
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°C
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ASTM D 648
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CTE, -40°C to 40°C, flow
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9.1E-05
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1/°C
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ISO 11359-2
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CTE, -40°C to 40°C, xflow
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9.7E-05
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1/°C
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ISO 11359-2
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Ball Pressure Test, 75°C +/- 2°C
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NA
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-
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IEC 60695-10-2
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Vicat Softening Temp, Rate B/120
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165
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°C
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ISO 306
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HDT/Af, 1.8 MPa Flatw 80*10*4 sp=64mm
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45
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°C
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ISO 75/Af
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PHYSICAL
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Value
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Unit
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Standard
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Density
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1.29
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g/cm3
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ISO 1183
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Water Absorption, (23°C/sat)
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0.34
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%
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ISO 62
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Moisture Absorption (23°C / 50% RH)
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0.08
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%
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ISO 62
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Melt Volume Rate, MVR at 250°C/2.16 kg
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26
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cm3/10 min
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ISO 1133
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Source GMD, last updated:2013/03/08
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Parameter
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Injection Molding
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Value
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Unit
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Drying Temperature
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60 - 75
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°C
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Drying Time
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4 - 5
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hrs
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Drying Time (Cumulative)
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8
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hrs
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Maximum Moisture Content
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0.05
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%
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Melt Temperature
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250 - 265
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°C
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Nozzle Temperature
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245 - 260
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°C
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Front - Zone 3 Temperature
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250 - 265
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°C
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Middle - Zone 2 Temperature
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245 - 260
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°C
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Rear - Zone 1 Temperature
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240 - 255
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°C
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Mold Temperature
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65 - 90
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°C
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Back Pressure
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0.3 - 0.7
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MPa
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Screw Speed
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50 - 80
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rpm
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Shot to Cylinder Size
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40 - 80
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%
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Vent Depth
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0.025 - 0.038
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mm
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Source GMD, last updated:2013/03/08
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