kotec

Polycarbonate

Standard, UV stability, and Mould Release

Data

Properties	Standards	Test Conditions	Units	・ Standard ・Mould Release ・UV Stability ・UV Stability + Mould Release
				K-20 K-20MRA K-20UV K-20UVR	K-30 K-30MRA K-30UV K-30UVR	K-40 K-40MRA K-40UV K-40UVR

Mechanical Properties

Izod Impact Strength	ASTM D256	V-Notched 1/8" 23℃	J/m kgf・cm/cm ft・lbf/in	740 75 14	780 80 15	830 85 16
Tensile Strength at break	ASTM D638	---	MPa kgf/cm² lbf/in²	63 640 9100	63 640 9100	63 640 9100
Tensile Elongation at break	ASTM D638	---	%	120	120	120
Flexural Strength	ASTM D790	---	MPa kgf/cm² lbf/in²	85 870 12400	85 870 12400	85 870 12400
Flexural Modulus	ASTM D790	---	MPa kgf/cm² lbf/in²	2160 22000 313000	2160 22000 313000	2160 22000 313000
Rockwell Hardness	R scale	---	---	120	120	120

Thermal Properties

Flammability	UL94	---	%	V-2 (0.4 mm)	V-2 (1.6 mm)	V-2 (1.6 mm)
Heat Deflection Temperature	ASTM D648	---	℃	126	127	128
Heat Deflection Temperature	ASTM D648	---	℉	259	261	262
Melt Flow Rate	ASTM D1238	300℃　1.2 kgf	g/10 min.	20	15	12

Optical Properties

Light Transmittance	ASTM D1003	3.0mm	%	89	89	89
Light Refractive Index	ASTM D648	---	---	1.58	1.58	1.58
Haze	ASTM D1003	3.0mm	%	< 1	< 1	< 1

Physical Properties

Specific Gravity	ASTM D792	V-Notched 1/8" 23℃	---	1.20	1.20	1.20
Water Absorption	ASTM D570	---	%	0.2	0.2	0.2
Mould Shrinkage	ASTM D995	Parallel	%	0.5 ~ 0.7	0.5 ~ 0.7	0.5 ~ 0.7
Mould Shrinkage		Across	%

Electrical Properties

Dielectric Breakdown Strength	ASTM D149	---	kV/mm	20	20	20
Dielectric Constant	ASTM D150	10⁶ Hz	---	2.9	2.9	2.9
Dielectric Dissipation Factor	ASTM D150	10⁶ Hz	---	0.009	0.009	0.009
Arc Resistance	ASTM D495	---	sec.	110	110	110
Surface Resistivity	ASTM D257	---	Ω・cm	10¹⁶	10¹⁶	10¹⁶

* The values contained herein are typical, based on general molding conditions.

Documents (Download)

	Properties	SDS	UL-94
K-20		Contact us for SDS * Inquire for SDS from "Contact Us"
K-20MRA
K-20UV
K-20UVR
K-30
K-30MRA
K-30UV
K-30UVR
K-40
K-40MRA
K-40UV
K-40UVR

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