Electrical performance	Test Condition	Test Method	TEIJIN JAPAN/LN-2250Y
dielectric constant	100Hz	IEC 60250	3.1
Surface Resistivity		IEC 600	>1×10 Ω
arc resistance		IEC 60112	225
Dissipation Factor	相对漏电起痕指数	IEC 60112	225 V
dielectric constant		IEC 60250	3.00 1MHz
dielectric constant			ASTM D150/IEC 60250	3
Surface Resistivity		IEC 60093	>1.0E+15 Ω.cm
dielectric constant	1MHz	IEC 60250	3
Volume resistivity		IEC 60093	>1.0E+15 Ω.cm
Dielectric loss	100Hz，正切	IEC 60250	10
Dissipation Factor		IEC 60250	9E-03
Dielectric loss	1MHz，正切	IEC 60250	90
dielectric constant		IEC 60250	3.10 100HZ
dielectric strength	短时间法	IEC 60243-1	32 MV/m
dielectric constant		IEC 60250	32 1kHz

Mechanical properties	Test Condition	Test Method	TEIJIN JAPAN/LN-2250Y
bending strength		ASTM D790/ISO 178	/92 kg/cm²(MPa)[Lb/in²]
Flexural modulus		ASTM D790/ISO 178	/2350 kg/cm²(MPa)[Lb/in²]
elongation		ASTM D638/ISO 527	/6 %
tensile strength	屈服，23°C	ISO 527-2	61.0 Mpa
Tensile modulus	1mm/min	ISO 527-1 and ISO 527-2	2400 Mpa
Tensile modulus		23°C	ISO 527-2	2400 Mpa
elongation at yield	50mm/min	ISO 527-1 and ISO 527-2	6 %
Suspended wall beam without notch impact strength	23°C	ISO 180/1U	NB kJ/m²
tensile strength		ASTM D638/ISO 527	/61 kg/cm²(MPa)[Lb/in²]
Impact strength of cantilever beam gap	带缺口	ISO 179	12 KJ/m
elongation at break	50mm/min	ISO 527-1 and ISO 527-2	>50 %
bending strength	23°C	ISO 178	92.0 Mpa
Tensile stress	50mm/min	ISO 527-1 and ISO 527-2	61 Mpa
Impact strength of cantilever beam gap	23°C	ISO 180/1A	76 kJ/m²
elongation at break	屈服，23°C	ISO 527-2	6.0 %
Flexural modulus	23°C	ISO 178	2350 Mpa
Impact strength of cantilever beam gap	没缺口	ISO 179	NB KJ/m
Tensile modulus		ASTM D638/ISO 527	/2400 kg/cm²(MPa)[Lb/in²]
elongation at break	23°C	ISO 527-2	>50 %
bending strength	2mm/min	ISO 178	92 Mpa
Flexural modulus	2mm/min	ISO 178	2350 Mpa

optical performance	Test Condition	Test Method	TEIJIN JAPAN/LN-2250Y
refractive index		ASTM D542/ISO 489	1.585
transmittance		ASTM D1003/ISO 13468	88 %

Physical properties	Test Method	TEIJIN JAPAN/LN-2250Y
Shrinkage rate	ASTM D955	0.5-0.7 %
density	ASTM D792/ISO 1183	/1200
Water absorption rate	ASTM D570/ISO 62	0.2 %

processability	Test Condition	Test Method	TEIJIN JAPAN/LN-2250Y
Shrinkage rate	垂直方向	本公司制订的测定法	0.5-0.7 %
Shrinkage rate		平行方向	本公司制订的测定法	0.5-0.7 %

physical property	Test Condition	Test Method	TEIJIN JAPAN/LN-2250Y
Water absorption rate	(23°C,24hr)	ISO 62	0.20 %
Shrinkage rate	TD4.00	ISO 294-4	0.50-0.70 %
transmittance	3mm thick	ASTM D-1003	88 %
Shrinkage rate	MD4.00mm	ISO 294-4	0.50-0.70 %
melt mass-flow rate	300℃/1.2Kg	ISO 1133	11.0 cm3/10min
refractive index		ASTM D-542	1585

Thermal performance	Test Condition	Test Method	TEIJIN JAPAN/LN-2250Y
TEMPERATURE	电学式，厚度1.47mm	UL 746B	125 °C
Heat distortion temperature	1.80MPa，HDT	ISO 75-1 and ISO 75-2	128 °C
vicat		ISO 306/B50	148 °C
Heat distortion temperature	1.80MPa退火，HDT	ISO 75-2/A	128 °C
TEMPERATURE	非冲击式，厚度1.47mm	UL 746B	125 °C
Heat distortion temperature	0.45MPa，HDT	ISO 75-1 and ISO 75-2	141 °C
Linear coefficient of thermal expansion		ASTM D696/ISO 11359	0.7 mm/mm.℃
vicat	50℃/h 50N	ISO 308	148 °C
Linear coefficient of thermal expansion	垂直方向	ISO 11359-2	0.7
vicat		ASTM D1525/ISO R306	148 ℃（℉）
Linear coefficient of thermal expansion	平行方向	ISO 11359-2	0.7
Linear coefficient of thermal expansion		MD	ISO 11359-2	7E-05 cm/cm/°C
TEMPERATURE	冲击式，厚度1.47mm	UL 746B	115 °C
Heat distortion temperature	0.45MPa未退火，HDT	ISO 75-2/Bf	141 °C
Linear coefficient of thermal expansion	TD	ISO 11359-2	7E-05 cm/cm/°C

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