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Committed to the original development and import substitution of PPS polyphenylene sulfide

HP7MD

高密度聚苯硫醚

Product characteristics

PPS-HP7MD是一种高密度聚苯硫醚材料,具有密度高,耐化学腐蚀性以及耐热性等特点



Application

本品主要用于汽车、电子电器、化工设备、机械等行业中,制作高密度要求的产品



Technical parameters

Physical PropertyunitTesting StandardTest Result
Densityg/cm3ISO 11833.15 
Molding shrinkage-Parallel flow direction%ISO 294-40.4
Molding shrinkage-Vertical flow direction%ISO 294-40.7
Water absorption rate(23℃,24Hrs)%ISO 620.02


Mechanical PropertyunitTesting StandardTest Result
Tensile StrengthMPaISO 52760.0 
Flexural StrengthMPaISO 178100.0 
Flexural ModulusGPaISO 1787.0 
Charpy Impact StrengthkJ/m2ISO 17920.0 
Charpy Notched Impact StrengthkJ/m2ISO 1794.0


Thermal propertyunitTesting StandardTest Result
Melting PointISO 11357283.0 
Hot Deformation Temperature(1.8MPa)ISO 75180.0 
Flame Retardancy
UL-94V-0


Thermal propertyunitTesting StandardTest Result
Dielectric StrengthkV/mmIEC 60243-
Dielectric Constant
IEC 60250-
Dielectric Loss Factor
IEC 60250-
Volume ResistivityΩ・cmIEC 60093-
Comparative Tracking IndexVIEC 60112-


Injection Molding ConditionsunitReference Value
Drying Tmperature130-150
Drying TimeHrs3-4
Heating temperature of cylinder290-320
Nozzle Temperature300-320
Mold Temperature120-150
Injection PressureMpa80-150
Packing Pressure Mpa30-70