Technical datasheet

ARLEN™ CH245NK

Supplied byMitsui Chemicals- Last Updated on Mar 15, 2019

ARLEN™ CH245NK by Mitsui Chemicals is a flame retardant modified polyamide 6T reinforced with 45% glass fiber. Possesses high dimensional stability, high melting point, high rigidity and minimum water absorption. Exhibits good chemical and heat resistance. Is suitable for processing by injection molding. ARLEN™ CH245NK is recommended for electrical & electronic parts including connectors, jacks, switches and power supply terminals. Complies with UL 94 V0 flame rating.
AppearancePellets

Benefits

Heat Resistance, Good|

Water Absorption, Low to None|

Filled, Glass Fiber|

Flame retarded|

Rigidity, High|

Dimensional stability, Good|

Chemical resistance, Good

Compliance

Certifications & Compliance
UL 94

Availability

Product Status:COMMERCIAL

ARLEN™ CH245NK properties

Electrical properties

PropertiesValue & unitTest conditionTest method
Comparative Tracking Index (CTI)400 - 599 VAt 3.0 mm
Dielectric Breakdown Voltage22 kV/mmASTM D149
Dielectric Constant4.3 At 106HzASTM D150
Dissipation Factor0.011 At 106HzASTM D150
Volume Resistivity1015 ohm-cmASTM D257

Flammability properties

PropertiesValue & unitTest conditionTest method
Flame Rating, UL 94V0 At 0.80 mmUL 94
Flame Rating, UL 94V0 At 3.0 mmUL 94

Mechanical properties

PropertiesValue & unitTest conditionTest method
Flexural Modulus14000 MPaASTM D790
Flexural Strength250 MPaASTM D790
Hardness, Rockwell M95 ASTM D785
Impact Strength, Notched Izod90 J/mASTM D256
Tensile Elongation3 %ASTM D638
Tensile Strength160 MPaASTM D638

Physical properties

PropertiesValue & unitTest conditionTest method
Linear Mold Shrinkage, Flow0.3 %At 2.00 mmASTM D955
Linear Mold Shrinkage, Transverse0.7 %At 2.00 mmASTM D955
Specific Gravity1.77 ASTM D792
Water Absorption0.2 %At 23°C, 24hr in water, 2 mmASTM D570
Water Absorption2.8 %At 100°C, 24hr in water, 2 mmASTM D570

Thermal properties

PropertiesValue & unitTest conditionTest method
CTE, Linear, Parallel to Flow2.5 x 10-5 1/°CASTM D696
CTE, Linear, Transverse to Flow5.5 x 10-5 1/°CASTM D696
Deflection Temperature at 1.8 MPa (264 psi)295 °CASTM D648
Glass Transition Temperature (Tg)85 °C
Melting Point310 °C
UL RTI, Electrical130 °CAt 0.80 mm
UL RTI, Electrical130 °CAt 3.0 mm
UL RTI, Mechanical with Impact120 °CAt 0.80 mm
UL RTI, Mechanical with Impact120 °CAt 3.0 mm
UL RTI, Mechanical without Impact125 °CAt 0.80 mm
UL RTI, Mechanical without Impact125 °CAt 3.0 mm

ARLEN™ CH245NK Processing Guidelines

Injection Molding Processing Guidelines

PropertiesValue & unitTest conditionTest method
Cylinder NH Temperature315 - 335 °C
Cylinder Zone 1 Temperature300 - 325 °C
Cylinder Zone 2 Temperature315 - 335 °C
Cylinder Zone 3 Temperature320 - 335 °C
Drying Temperature110 °C
Drying Time2 - 6 h
Hooper Temperature50 - 90 °CBottom
Mold Temperature90 - 140 °C
Screw Revolution Speed150 rpm
Vent Depth10 µm

Related products