断路器手柄/外壳 PBT PBT780 Resin 阻燃级
· 特点：VALOXPBT 780 Resin 是一款阻燃UL94V-0,用于断路器手柄/外壳,电机线圈外壳等产品.
· PBT780 Resin 阻燃级
VALOX™PBT 780 Resin
聚对苯二甲酸丁酯
SABICInnovative Plastics (Americas)
产品说明
40%gl/min, UL94 V-0 rated. Nonblooming flame retardant. Circuitbreaker handles/housings, motor coil housings.
材料特点：阻燃UL94V-0
材料用途：断路器手柄/外壳,电机线圈外壳
定属记号：PBT
塑料牌号：PBT780
材料物性
MECHANICAL | Value | Unit | Standard |
TensileStress,brk,Type I,5 mm/min | 1010 | kgf/cm² | ASTMD 638 |
FlexuralStress,brk,1.3 mm/min,50 mm span | 1680 | ASTMD 790 | |
FlexuralModulus,1.3 mm/min,50 mm span | 105400 | ||
Hardness,RockwellR | 116 | - | ASTMD 785 |
IMPACT | Value | Unit | Standard |
IzodImpact,unnotched,23℃ | 38 | cm-kgf/cm | ASTMD 4812 |
IzodImpact,notched,23℃ | 5 | ASTMD 256 | |
THERMAL | |||
HDT,0.45MPa,6.4 mm,unannealed | 210 | ℃ | ASTMD 648 |
HDT,1.82MPa,6.4 mm,unannealed | 193 | ||
CTE,-40℃to40℃,flow | 2.52E-05 | 1/℃ | ASTME 831 |
CTE,60℃to138℃,flow | 2.88E-05 | ||
RelativeTemp Index,Elec | 130 | UL746B | |
RelativeTemp Index,Mech w/impact | |||
RelativeTemp Index,Mech w/o impact | 140 | ||
PHYSICAL | |||
SpecificGravity | 1.77 | ASTMD 792 | |
SpecificVolume | 0.56 | cm³/g | |
WaterAbsorption,24 hours | 0.02 | % | ASTMD 570 |
MoldShrinkage,flow,1.5-3.2 mm(5) | 0.3-0.4 | SABICMethod | |
MoldShrinkage,flow,3.2-4.6 mm(5) | 0.4-0.6 | ||
MoldShrinkage,xflow,1.5-3.2 mm(5) | |||
MoldShrinkage,xflow,3.2-4.6 mm(5) | 0.6-0.8 | ||
ELECTRICAL | |||
VolumeResistivity | 3.5E+15 | Ohm-cm | ASTMD 257 |
DielectricStrength,in air,3.2 mm | 18.1 | kV/mm | ASTMD 149 |
DielectricStrength,in oil,1.6 mm | 25.5 | ||
RelativePermittivity,100 Hz | 3.9 | ASTMD 150 | |
RelativePermittivity,1 MHz | 3.8 | ||
DissipationFactor,100 Hz | 0.007 | ||
DissipationFactor,1 MHz | |||
ArcResistance,Tungsten{PLC} | 6 | PLCCode | ASTMD 495 |
HotWire Ignition{PLC) | 1 | UL746A | |
HighVoltage Arc Track Rate{PLC} | |||
HighAmpere Arc Ign,surface{PLC} | 4 | ||
ComparativeTracking Index(UL){PLC} | 3 | ||
FLAMECHARACTERISTICS | |||
ULRecognized,94V-0 Flame Class Rating(3) | 0.81 | mm | UL94 |
InjectionMolding | Value | ||
DryingTemperature | 120 | ||
DryingTime | 3-4 | hrs | |
DryingTime(Cumulative) | 12 | ||
MaximumMoisture Content | 0.02 | ||
MeltTemperature | 255-275 | ||
NozzleTemperature | 255-270 | ||
Front-Zone3 Temperature | 255-265 | ||
Middle-Zone2 Temperature | 250-260 | ||
Rear-Zone1 Temperature | 245-255 | ||
MoldTemperature | 65-95 | ||
BackPressure | 0.3-0.7 | MPa | |
ScrewSpeed | 50-80 | rpm | |
Shotto Cylinder Size | 40-80 | ||
VentDepth | 0.025-0.038 | ||
PBTVALOX™ RESIN
Semi-crystallinepolybutylene terephthalate, one of the most widely-used engineeringmaterials, shows low moisture and thermal expansion and offersoutstanding wear and friction properties. With good strength athigh temperatures, it has good electrical properties and flameresistance.
断路器手柄/外壳 PBT PBT 780 Resin阻燃级
