Akulon® K225-KS

Chemical Family: Polyamides

Akulon® K225-KS is a polyamide 6 (PA 6) resin-halogen-free polymer processed through injection molding, featuring additives such as heat stabilizer for flame retardance. This material is light in weight, UL flame-rated, and ideal for applications in the automotive and electrical/electronics industries.

Product families

Plastics — Engineering & Specialty Polymers

Polyamides

Other characteristics

Brand: Akulon®
Polymer Name: Polyamide 6 (PA 6)
Flexural Modulus: 3400.0 - 3400.0 MPa
Additives Included: Heat Stabilizer
Processing Methods: Injection Molding
Markets: Automotive & Transportation
Electrical & Electronics
Flame Rating: UL 94 V0
Technology: Plastics
Packaging Type: Bags
Boxes
Silos
Super Sacks
Labeling Claims: Halogen-free
Quality Standards: UL Yellow Card (E43392)
UL Yellow Card (E47960)
Material Features: Flame Retardant
Heat Stabilized
Light Weight
UL Flame Rated
Certifications and Compliance: ISO 14001
OHSAS
REACH (Europe)
UL 94
Contactors Application Data: Akulon® PA6 and ForTii® PA4T allow for reliable solutions due to good electrical and thermal endurance. Akulon® PA6 and ForTii® PA4T allow for more design freedom and/or potential system cost reductions due to part integration and thinner wall design and lower profiles possibilities, reduced cycle time with lower production losses
Fuse Holder Application Data: ForTii® allows the Fuse holder to withstand high temperatures and the material has a high impact resistance; Productivity improvement; Laser printing; Snap fitting; DIN rail mounting
Plastics and Elastomers End Uses: Contactors
Door Panel
Flooring
Fuse Holder
Relay Bases
Wheel Housing Parts
Plastics and Elastomers Functions: Resin

Technical data

Table 1 of 7

11 rows

Characteristic	Value	Unit	Method
Tensile Modulus	3800 / 1400	MPa	ISO 527-1/-2
Yield Stress	80 / 40	MPa	ISO 527-1/-2
Yield Strain	3.5 / 22	%	ISO 527-1/-2
Nominal Strain at Break	6 / >50	%	ISO 527-1/-2
Nominal Strain at Break (at 90°C)	>50 / *	%	ISO 527-1/-2
Flexural Modulus	3400 / 1300	MPa	ISO 178
Flexural Strength	115 / 40	MPa	ISO 178
Charpy Impact Strength (at +23°C)	95 / N	kJ/m²	ISO 179/1eU
Charpy Impact Strength (at -30°C)	90 / 85	kJ/m²	ISO 179/1eU
Charpy Notched Impact Strength (at +23°C)	5 / 12	kJ/m²	ISO 179/1eA
Charpy Notched Impact Strength (at -30°C)	3 / 3	kJ/m²	ISO 179/1eA

Table 2 of 7

22 rows

Characteristic	Value	Unit	Method
Melting Temperature (10°C/min)	220 / *	°C	ISO 11357-1/-3
Temperature of Deflection Under Load (1.80 MPa)	75 / *	°C	ISO 75-1/-2
Temperature of Deflection Under Load (0.45 MPa)	180 / *	°C	ISO 75-1/-2
Vicat Softening Temperature (50°C/h 50N)	204 / *	°C	ISO 306
Coefficient of Linear Thermal Expansion (parallel)	0.9 / *	E-4/°C	ISO 11359-1/-2
Coefficient of Linear Thermal Expansion (normal)	0.9 / *	E-4/°C	ISO 11359-1/-2
Burning Behaviour (at 1.5 mm Nominal Thickness)	UL V-0 / *	class	IEC 60695-11-10
Burning Behaviour (at 3.0 mm Nominal Thickness)	UL V-0 / *	class	IEC 60695-11-10
Burning Behaviour (at 0.4 mm Nominal Thickness)	V-0 / *	class	IEC 60695-11-10
Burning Behaviour (at 0.75 mm Nominal Thickness)	V-0 / *	class	IEC 60695-11-10
Oxygen Index	40 / *	%	ISO 4589-1/-2
Ball Pressure Temperature	210 / *	°C	IEC 60695-10-2

Table 3 of 7

8 rows

Characteristic	Value	Unit	Method
Relative Permittivity (100Hz)	3.3 / 8	—	IEC 62631-2-1
Relative Permittivity (1 MHz)	3.2 / 3.6	—	IEC 62631-2-1
Dissipation Factor (100 Hz)	90 / 1250	E-4	IEC 62631-2-1
Dissipation Factor (1 MHz)	200 / 800	E-4	IEC 62631-2-1
Volume Resistivity	>1E13 / 1E11	Ohm*m	IEC 62631-3-1
Surface Resistivity	- / 1E14	Ohm	IEC 62631-3-2
Electric Strength	30 / 25	kV/mm	IEC 60243-1
Comparative Tracking Index	600 / 600	V	IEC 60112

Table 4 of 7

4 rows

Characteristic	Value	Unit
Density of Melt	898 / *	kg/m³
Thermal Conductivity of Melt	0.28 / *	W/(m K)
Specific Heat Capacity Melt	2530 / *	J/(kg K)
Effective Thermal Diffusivity	1.22E-7 / *	m²/s

Table 5 of 7

3 rows

Characteristic	Value	Unit	Method
Water Absorption	9 / *	%	Sim. to ISO 62
Humidity Absorption	2.5 / *	%	Sim. to ISO 62
Density	1180 / -	kg/m³	ISO 1183

Table 6 of 7