Test items Test method Unit K-100 K-6200 K-6565 K-6185 K-100AS K-510 K-130
Physical properties Specific gravity ASTM D-792 　 1.35 1.40 1.46 1.35 1.35 1.35 1.35
Rockwell hardness ASTM D-785 　 106 108 116 105 　 94 101
Water absorption rate ASTM D-570 % 0.06 0.08 0.08 0.08 0.10 0.08 0.08
Mechanical properties Tensile strength ASTM D-638 N/mm2
(kgf/cm2)		 41.2
(420)		 39.2
(400)		 44.5
(454)		 53.0
(540)		 37.5
(382)		 42.0
(428)		 41.0
(418)
Bending strength ASTM D-790 N/mm2
(kgf/cm2)		 66.7
(680)		 69.6
(710)		 82.3
(840)		 62.0
(632)		 65.5
(668)		 66.0
(673)		 62.0
(632)
Flexural modulus of elasticity ASTM D-790 N/mm2
(kgf/cm2)		 2.3×103
(2.3×104)		 2.5×103
(2.6×104)		 2.8×103
(2.9×104)		 2.4×103
(2.5×104)		 2.3×103
(2.3×104)		 2.5×103
(2.5×104)		 2.4×103
(2.4×104)
Compressive strength ASTM D-695 N/mm2
(kgf/cm2)		 54.9
(560)		 　 　 　 　 　 　
Izod impact strength ASTM D-256 kJ/m2
(kgf·cm/cm2)		 78.5 or more
(80 or more)		 15.6
(16)		 9.8
(10)		 26.6
(27)		 63.6
(65)		 79.5
(81)		 18.6
(19)
Thermal properties Heat distortion temperature ASTM D-648 °C 73 66 63 85 67 70 70
Coefficient of linear expansion ASTM D-696 10-5/°C 8 8 8 8 8 8 8
Thermal conductivity ASTM D-177 W/(m·K) 0.14 　 　 　 　 　 　
Combustion properties ASTM D-635 　 Self-extinguishing Self-extinguishing Self-extinguishing Self-extinguishing Self-extinguishing Self-extinguishing Self-extinguishing
UL-94 　 V-0/5V V-0 equivalent V-0 equivalent V-0 equivalent V-0 equivalent V-0 equivalent V-0/5V
Aircraft material flammability Self-extinguishing properties 1) FAR25.853(a)
Within 60 seconds		 　 Passed Passed Passed Passed 　 　 Passed
FAR25.853(b)
Within 12 seconds		 　 Passed Passed Passed 　 　 　 　
Heat Release Rate (HRR) FAR25.853(c)
Within 65 seconds		 kW·min/m2 　 　 Passed 　 　 　 　
Within 65 seconds kW/m2 　 　 Passed 　 　 　 　
Smoke emission properties 2)ASTM E-662
Ds@Within 5 minutes 100
Within 4 minutes 200		 　 　 Passed Passed 　 　 　 　
Vehicle material combustibility Railway vehicle material combustion test 　 Flame retardancy Flame retardancy Flame retardancy Flame retardancy equivalent Flame retardancy Flame retardancy Flame retardancy equivalent
Electrical properties Dielectric breakdown voltage ASTM D-149 kV/mm >16.8 　 　 　 　 　 　
Induction rate 60Hz ASTM D-150 　 3.86 　 　 　 　 　 　
1kHz ASTM D-150 　 3.70 　 　 　 　 　 　
1MHz ASTM D-150 　 3.44 　 　 　 　 　 　
　  Food Sanitation Act Food Hygiene Standard 307 　 Passed Passed Passed 　 　 　 　
Surface resistivity value ASTM D-257 Ω/□ >1015 >1015 >1015 >1015 109~1012 >1015 >1015
1) FAR stands for US Federal Acquisition Regulations.
2) We have passed the U.S. standard (K-6200, K-6565) on smoke emissions of vehicle materials.
3) The above values are standard values and not guarantee values.

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