Plastics

Makrolon® LED5102

MVR (300 °C/1.2 kg) 34 cm³/10 min; low viscosity; UV stabilized; easy release; high optical transmittance; LED Lighting, optics and lenses

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About

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Material

Plastics: Optical quality, Transparent

General Characterization

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Technical Properties & Datasheets

Property Name	Standard	Unit	Value
Barrel Temperatures - Front	-	°C	260 - 270
Barrel Temperatures - Middle	-	°C	250 - 260
Barrel Temperatures - Nozzle	-	°C	260 - 270
Barrel Temperatures - Rear	-	°C	230 - 240
Dry Air Drying Temperature	-	°C	120
Dry Air Drying Time	-	h	4
Hold Pressure (% of injection pressure)	-	%	50 - 75
Melt temperatures	-	°C	250 - 300
Moisture Content max. (%)	-	%	<= 0,02
Mold Temperatures	-	°C	70 - 110
Peripheral Screw Speed	-	m/s	0.05 - 0.2
Plastic Back Pressure (specific)	-	bar	100 - 200
Shot-to-Cylinder Size	-	%	30 - 70
Standard Melt temperature	-	°C	270
Vent Depth	-	mm	0.025 - 0.075

Property Name	Standard	Test condition	Unit	Value
Burning behavior UL 94 [UL recognition]	UL 94	0.75 mm	Class	V-2
Coefficient of linear thermal expansion, normal	ISO 11359-1,-2	23 to 55 °C	10^-4^/K	0.65
Coefficient of linear thermal expansion, parallel	ISO 11359-1,-2	23 to 55 °C	10^-4^/K	0.65
Relative temperature index (Electric strength)	UL 746B		°C	125
Relative temperature index (Tensile impact strength)	UL 746B		°C	115
Relative temperature index (Tensile strength)	UL 746B		°C	125
Temperature of deflection under load	ISO 75-1,-2	0.45 MPa	°C	136
Temperature of deflection under load	ISO 75-1,-2	1.80 MPa	°C	123
Vicat softening temperature	ISO 306	50 N; 120 °C/h	°C	145
Vicat softening temperature	ISO 306	50 N; 50 °C/h	°C	143

Property Name	Standard	Test condition	Unit	Value
Charpy impact strength	ISO 179/1eU	23 °C	kJ/m²	N
Flexural modulus	ISO 178	2 mm/min	MPa	2350
Flexural strain at flexural strength	ISO 178	2 mm/min	%	7
Flexural strength	ISO 178	2 mm/min	MPa	98
Flexural stress at 3.5 % strain	ISO 178	2 mm/min	MPa	73
Izod notched impact strength	ISO 21305/based on ISO 180/A	23 °C/ 3 mm	kJ/m²	55P
Izod notched impact strength	ISO 21305/based on ISO 180/A	-30 °C/ 3 mm	kJ/m²	12C
Izod notched impact strength	ISO 21305/based on ISO 180/A	0 °C/ 3 mm	kJ/m²	55P
Puncture energy	ISO 6603-2	-30 °C	J	60
Puncture energy	ISO 6603-2	23 °C	J	55
Puncture impact properties - maximum force	ISO 6603-2	-30 °C	N	5900
Puncture impact properties - maximum force	ISO 6603-2	23 °C	N	4900
Strain at break	b.o. ISO 527-1,-2	50 mm/min	%	120
Stress at break	ISO 527-1,-2	50 mm/min	MPa	60
Tensile modulus	ISO 527-1,-2	1 mm/min	MPa	2400
Yield strain	ISO 527-1,-2	50 mm/min	%	6
Yield stress	ISO 527-1,-2	50 mm/min	MPa	63

Property Name	Standard	Test condition	Unit	Value
Haze	ISO 14782	1 mm	%	<0.3
Luminous transmittance (clear transparent materials)	ISO 13468-2	1 mm	%	90
Luminous transmittance (clear transparent materials)	ISO 13468-2	2 mm	%	90
Luminous transmittance (clear transparent materials)	ISO 13468-2	4 mm	%	90
Luminous transmittance (clear transparent materials)	ISO 13468-2	3 mm	%	90
Refractive index	ISO 489	Procedure A		1.585
Yellowness index (clear transparent materials)	ASTM E313	1 mm		<0.8
Yellowness index (clear transparent materials)	ASTM E313	2 mm		<1
Yellowness index (clear transparent materials)	ASTM E313	3 mm		1

Property Name	Standard	Test condition	Unit	Value
Melt mass-flow rate	ISO 1133		g/10 min	37
Melt volume-flow rate	ISO 1133	300 °C/ 1.2 kg	cm³/10 min	34
Molding shrinkage, normal	ISO 294-4	60x60x2 mm³	%	0.7
Molding shrinkage, parallel	ISO 294-4	60x60x2 mm³	%	0.65

Property Name	Standard	Unit	Value
Injection molding - Injection velocity	ISO 294	mm/s	200
Injection molding - Melt temperature	ISO 294	°C	280
Injection molding - Mold temperature	ISO 294	°C	80

Property Name	Standard	Test condition	Unit	Value
Density	ISO 1183-1		kg/m³	1190

Downloads

Technical Data Sheet: Download
Safety Data Sheet No direct download available, please visit www.productsafetyfirst.covestro.com: Download

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Makrolon® LED5102