Niretan A 27 EXL

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Polyamide 66 of natural color, externally lubrificated, easy flowing and fast processing.

PropertiesTest conditionMethodUnitValue
MechanicalTensile Stress at Yield50 mm/min.ASTM D638MPa90/55
MechanicalTensile Stress at Break5 mm/minASTM D638MPa70/50
MechanicalFlexural Maximum Stress1,3 mm/minASTM D790MPa120/60
MechanicalFlexural Elastic Modulus1,3 mm/minASTM D790MPa3000/1200
MechanicalIzod Notched Impact Strength23°C/3,2 mmASTM D256J/m60/150
MechanicalIzod Notched Impact Strength-20°C/3,2 mmASTM D256J/m40/70
MechanicalElongation50 mm/minASTM D638%30/60
ThermalHeat Distortion Temperature H.D.T1.82 MPaASTM D648°C75
ThermalLinear Expansion Coefficient23°C/55°CISO 11359-210^-5 K^-19
Flame BehaviourGlow Wire Temperature (G.W.T)S=2.0 mmIEC 695-2-1°C750
Flame BehaviourUL 94 RatingS=1.6 mmUL 94classV2
Flame BehaviourUL 94 RatingS=3.2 mmUL 94classV2
ElectricalDielectric StrengthS=1 mmIEC 60243-1KV/mm30/35
ElectricalRelative Permettivity1 Mhz = seccoIEC 60250-3,5/4,0
ElectricalDissipation Factor1 Mhz = seccoIEC 60250-0,02/0,1
ElectricalSurface ResistivityseccoIEC 60093Ω10^14/10^13
ElectricalVolume ResistivityseccoIEC 60093Ω • cm10^15/10^12
VariousMoulding Shrinkageparallel-%1,2-2,4
PhysicalDensity23°CASTM D792g/cm³1,14
PhysicalWater Absorption24h - 23°CASTM D570%10
PhysicalHumidity Absorption from Atmosphere23°C – 50% HRASTM D570%3
PhysicalCristalline Melting TemperatureDSC-°C260