Makrolon® AL2647

About

Product Description
Supplier	Covestro
Generic	Polycarbonate
Material Status	Commercial: Active

Technical Data
PHYSICAL	Nominal value	Unit	Test method
Melt index (mass)
300℃；1.2Kg	13	g/10min	ISO 1133
Melt Index (Volume)
300℃；1.2Kg	12	cm³/10min	ISO 1133
Transparency rate
4mm	>87	%	DIN 5036-1
2mm	89	%	DIN 5036-1
3mm	88	%	DIN 5036-1
1mm	89	%	DIN 5036-1
Forming shrinkage rate	0.6-0.8	%	ISO 1133
Refractive index	1.587		ISO 489
Viscosity coefficient	56	cm³/g	ISO 1628-4

MECHANICAL	Nominal value	Unit	Test method
Maximum penetration force
-30℃/2mm	6400	N	ISO 6603-2
23℃/2mm	5400	N	ISO 6603-2
Yield strain
50mm/min	6.0	%	ISO 527
IZOD Notch Impact Strength
23℃	85	kJ/m²	ISO 180-4A
-30℃	12	kJ/m²	ISO 180-4A
Penetration energy
23℃/2mm	60	J	ISO 6603-2
-30℃/2mm	65	J	ISO 6603-2
Yield stress
50mm/min	65	MPa	ISO 527
CHARPY impact strength
-30℃	N	kJ/m²	ISO 179-1eU
23℃	N	kJ/m²	ISO 179-1eU
Tensile creep modulus
1000h	1900	MPa	ISO 899-1
1h	2200	MPa	ISO 899-1
Nominal tensile strain at fracture
50mm/min	>50	%	ISO 527
Tensile modulus
1mm/min	2400	MPa	ISO 527

Other performance	Nominal value	Unit	Test method
Hygroscopicity
23 ℃/50% relative humidity	0.12	%	ISO 62
Water absorption
	0.30	%	ISO 62

Processing performance	Nominal value	Unit	Test method
Injection speed	200	mm/s	ISO 294

Basic performance	Nominal value	Unit	Test method
Haze
3.0mm	<0.5	%	ISO 14782
Density	1200	Kg/m³	ISO 1183

THERMAL	Nominal value	Unit	Test method
Hot deformation temperature
0.45MPa	137	℃	ISO 75-2
1.80MPa	125	℃	ISO 75-2
Vicat Softening Temp
50N;50℃/h	143	℃	ISO 306
Mold temperature	80	℃	ISO 294
Melt Temperature	290	℃	ISO 294
Oxygen index	28	%	ISO 4589-2
Glass transition temperature
10℃/min	148	℃	ISO 11357-2

Electrical performance	Nominal value	Unit	Test method
Dielectric strength
1.0mm	32	KV/mm	IEC 60243-1
tracking resistance
Solution A	275	等级/Rating	IEC 60112
loss factor
1MHZ	90	0.0001	IEC 60250
100HZ	5	0.0001	IEC 60250
Surface resistivity	1016	Ω	IEC 60093
Relative dielectric constant
1MHZ	3.0		IEC 60250
100HZ	3.1		IEC 60250
Volume resistivity	1014	Ω.m	IEC 60093

Process Conditions
Injection	Nominal value	Unit	Test method
Melt Temperature	280 – 320	℃
Standard melt temperature	300	℃
Temperature of the feeding section of the material pipe	250 – 270	℃
Temperature of the middle section of the material pipe	270 – 290	℃
Temperature of the front section of the material pipe	285 – 305	℃
Nozzle temperature	270 – 305	℃
Mold temperature	70 – 110	℃
Maintaining pressure (actual maximum injection pressure)	50 – 75	%
Melt back pressure	100 – 200	bar
Screw speed	0.05 – 0.2	m/s
Injection volume	30 – 70	%
Drying temperature under dry air	120	℃
Drying time in dry air	4	h
Maximum moisture content	≤0. 02	%
Depth of exhaust groove	0. 025 – 0. 075	mm

Notes
【 Disclaimer 】 Guangzhou Soliao Information Technology Co., Ltd. reserves all rights. The information in this data table was obtained from the manufacturer of the material on soliao.com. Soliao.com makes every effort to ensure the accuracy of this data. However, the search company does not assume any responsibility for the uncertainty and consequences caused to users by these data values and suggestions, and strongly recommends verifying the data values with the material supplier before the final selection of materials.

Notes

【 Disclaimer 】
Guangzhou Soliao Information Technology Co., Ltd. reserves all rights. The information in this data table was obtained from the manufacturer of the material on soliao.com. Soliao.com makes every effort to ensure the accuracy of this data. However, the search company does not assume any responsibility for the uncertainty and consequences caused to users by these data values and suggestions, and strongly recommends verifying the data values with the material supplier before the final selection of materials.