Makrolon® 2805

Polycarbonate; MVR (300 °C/1.2 kg) 9.0 cm³/10 min; medium viscosity; easy release; available in transparent, translucent and opaque colors

Brand: Makrolon
Available in: Europe Middle-East and Africa, Latin America, North America, Asia Pacific

Typical values

Property	Value	Unit	Test method	Condition
All attributes
Melt density	1.055	g/cm³	ASTM D 1238
Black speck index	0 – 60		PCS Meth 025
Glow Wire Test	750	°C	b.o. EDF HN60 E.02	3.0 mm
Glow Wire Test	750	°C	b.o. EDF HN60 E.02	1.5 mm
Bulk Density	660	g/cm³	ISO 60	Pellets
Thermal properties
Temperature of Deflection under Load (HDT)	137	°C	ISO 75-1,-2	0.45 MPa
Temperature of Deflection under Load (HDT)	125	°C	ISO 75-1,-2	1.80 MPa
Vicat Softening Temperature	146	°C	ISO 306	50 N; 120 °C/h
Vicat Softening Temperature	144	°C	ISO 306	50 N; 50 °C/h
Glass Transition Temperature	145	°C	ISO 11357-1,-2	10 °C/min
Coefficient of Linear Thermal Expansion (CLTE), parallel	0.65	10⁻⁴/K	ISO 11359-1,-2	23 to 55 °C
Coefficient of Linear Thermal Expansion (CLTE), normal	0.65	10⁻⁴/K	ISO 11359-1,-2	23 to 55 °C
Burning Behavior	HB		UL 94	2.5 mm
Burning Behavior	V - 2		UL 94	0.75 mm
Burning Rate (FMVSS-302)	PASSED		ISO 3795	>=1.0 mm
Oxygen Index	28	%	ISO 4589-2	Method A
Thermal Conductivity, through-plane	0.2	W/(m·K)	ISO 8302	23 °C; 50 % r. h.
Resistance to Heat (Ball Pressure Test, BPT)	136	°C	IEC 60695-10-2
Relative Temperature Index (RTI, Tensile Impact Strength)	115	°C	UL 746B	1.5 mm
Relative Temperature Index (RTI, Tensile Strength)	125	°C	UL 746B	1.5 mm
Relative Temperature Index (RTI, Electric Strength)	125	°C	UL 746B	1.5 mm
Glow Wire Test (GWFI)	930	°C	IEC 60695-2-12	3.0 mm
Glow Wire Test (GWFI)	850	°C	IEC 60695-2-12	1.5 mm
Glow Wire Test (GWFI)	850	°C	IEC 60695-2-12	0.75 mm
Glow Wire Test (GWIT)	900	°C	IEC 60695-2-13	3.0 mm
Glow Wire Test (GWIT)	875	°C	IEC 60695-2-13	1.5 mm
Glow Wire Test (GWIT)	875	°C	IEC 60695-2-13	1.0 mm
Glow Wire Test (GWIT)	875	°C	IEC 60695-2-13	0.75 mm
Application of Flame from Small Burner	K1, F1		DIN 53438-1,-3	Method K and F/ 2.0 mm
Needle-flame Test	120	°C	IEC 60695-11-5	Method F/ 3.0 mm
Needle-flame Test	60	°C	IEC 60695-11-5	Method F/ 2.0 mm
Needle-flame Test	60	°C	IEC 60695-11-5	Method F/ 1.5 mm
Needle-flame Test	10	°C	IEC 60695-11-5	Method K/ 3.0 mm
Needle-flame Test	5	°C	IEC 60695-11-5	Method K/ 2.0 mm
Needle-flame Test	5	°C	IEC 60695-11-5	Method K/ 1.5 mm
Flash-ignition Temperature	480	°C	ASTM D1929
Spontaneous-Ignition Temperature	550	°C	ASTM D1929
Rheological properties
Melt Volume-flow Rate (MVR)	9	cm³/10 min	ISO 1133-1	300 °C/ 1.2 kg
Melt Mass-flow Rate (MFR)	10	g/10 min	ISO 1133-1	300 °C/ 1.2 kg
Molding Shrinkage, parallel	0.65	%	ISO 294-4	60x60x2 mm/ 500 bar
Molding Shrinkage, normal	0.7	%	ISO 294-4	60x60x2 mm/ 500 bar
Molding Shrinkage, parallel/normal	0.6 – 0.8	%	b.o. ISO 2577	Value range based on general practical experience
Mechanical properties (23 °C; 50 % r. h.)
Tensile Modulus	2400	MPa	ISO 527-1,-2	1 mm/min
Yield Stress	66	MPa	ISO 527-1,-2	50 mm/min
Yield Strain	6.2	%	ISO 527-1,-2	50 mm/min
Stress at Break	70	MPa	ISO 527-1,-2	50 mm/min
Strain at Break	130	%	b.o. ISO 527-1,-2	50 mm/min
Nominal Strain at Break	≥ 50	%	ISO 527-1,-2	50 mm/min
Flexural Modulus	2400	MPa	ISO 178	2 mm/min
Flexural Strength	97	MPa	ISO 178	2 mm/min
Flexural Stress at 3.5 % Flexural Strain	73	MPa	ISO 178	2 mm/min
Flexural Strain at Flexural Strength	7.1	%	ISO 178	2 mm/min
Izod Notched Impact Strength	15	kJ/m²	ISO 21305/based on ISO 180/A	-30 °C/ 3 mm
Izod Notched Impact Strength	70	kJ/m²	ISO 21305/based on ISO 180/A	23 °C/ 3 mm
Charpy Notched Impact Strength	16	kJ/m²	ISO 21305/based on ISO 179/1eA	-30 °C/ 3 mm
Charpy Notched Impact Strength	75	kJ/m²	ISO 21305/based on ISO 179/1eA	23 °C/ 3 mm
Puncture Impact Behavior - Maximum Force	6300	N	ISO 6603-2	-30 °C
Puncture Impact Behavior - Maximum Force	5400	N	ISO 6603-2	23 °C
Puncture Impact Behavior - Puncture Energy	65	J	ISO 6603-2	-30 °C
Puncture Impact Behavior - Puncture Energy	60	J	ISO 6603-2	23 °C
Ball Indentation Hardness	115	N/mm²	ISO 2039-1
Tensile Creep Modulus	1900	MPa	ISO 899-1	1000 h
Tensile Creep Modulus	2200	MPa	ISO 899-1	1 h
Other properties (23 °C)
Water Absorption (Saturation Value)	0.3	%	ISO 62	Water at 23 °C
Water Absorption (Equilibrium Value)	0.12	%	ISO 62	23 °C; 50 % r. h.
Water Vapour Transmission Rate	15	g/(m²·24 h)	ISO 15106-1	23 °C; 85 % RH/ 100 µm film
Density	1200	kg/m³	ISO 1183-1
Gas Transmission Rate	16900	cm³/(m²·24 h·bar)	b.o. ISO 2556	Carbon dioxide/ 25.4 µm (1 mil) film
Gas Transmission Rate	3800	cm³/(m²·24 h·bar)	b.o. ISO 2556	Carbon dioxide/ 100 µm film
Gas Transmission Rate	510	cm³/(m²·24 h·bar)	b.o. ISO 2556	Nitrogen/ 25.4 µm (1 mil) film
Gas Transmission Rate	120	cm³/(m²·24 h·bar)	b.o. ISO 2556	Nitrogen/ 100 µm film
Gas Transmission Rate	2760	cm³/(m²·24 h·bar)	b.o. ISO 2556	Oxygen/ 25.4 µm (1 mil) film
Gas Transmission Rate	650	cm³/(m²·24 h·bar)	b.o. ISO 2556	Oxygen/ 100 µm film
Material specific properties
Luminous Transmittance (Clear Transparent Materials)	87	%	ISO 13468-2	4 mm
Luminous Transmittance (Clear Transparent Materials)	88	%	ISO 13468-2	3 mm
Luminous Transmittance (Clear Transparent Materials)	89	%	ISO 13468-2	2 mm
Luminous Transmittance (Clear Transparent Materials)	89	%	ISO 13468-2	1 mm
Haze (Clear Transparent Materials)	0 – 0.8	%	ISO 14782	3 mm
Refractive Index	1.586		ISO 489	Procedure A
Electrical properties (23 °C; 50 % r. h.)
Relative Permittivity	3		IEC 60250	1 MHz
Relative Permittivity	3.1		IEC 60250	100 Hz
Dielectric Dissipation Factor	90	10⁻⁴	IEC 60250	1 MHz
Dielectric Dissipation Factor	5	10⁻⁴	IEC 60250	100 Hz
Volume Resistivity	1.00E+14	Ω·m	IEC 60093
Volume Resistivity	1.00E+14	Ω·m	IEC 62631-3-1
Surface Resistivity	1.00E+16	Ω	IEC 60093
Surface Resistivity	1.00E+16	Ω	IEC 62631-3-2
Electric Strength	34	kV/mm	IEC 60243-1	1 mm
Comparative Tracking Index (CTI)	250		IEC 60112	Solution A
Comparative Tracking Index (CTI M)	125		IEC 60112	Solution B
Electrolytic Corrosion	A1		IEC 60426
Processing conditions for test specimens
Injection Molding - Melt Temperature	300	°C	ISO 294
Injection Molding - Mold Temperature	80	°C	ISO 294
Injection Molding - Injection Velocity	200	mm/s	ISO 294
Recommended processing and drying conditions
Dry Air Drying Temperature	120	°C
Dry Air Drying Time	2 – 3	h
Moisture Content max. (%)	0 – 0.02	%
Melt Temperatures	280 – 320	°C
Standard Melt Temperature	300	°C
Barrel Temperatures	290 – 300	°C		Nozzle
Barrel Temperatures	280 – 290	°C		Front
Barrel Temperatures	270 – 280	°C		Middle
Barrel Temperatures	250 – 260	°C		Rear
Mold Temperatures	80 – 120	°C
Hold Pressure (% of Injection Pressure)	50 – 75	%
Plastic Back Pressure (specific)	50 – 150	bar
Peripheral Screw Speed	0.05 – 0.2	m/s
Shot-to-Cylinder Size	30 – 70	%
Vent Depth	0.025 – 0.075	mm

Documents

Technical Data Sheet
en
Sekantenmodul-Dehnung
de
Stress-Strain
en
Viskosität Schergeschwindigkeit
de
Secant modulus - Strain
en
Spannung-Dehnung
de
Viscosity Shear Rate
en
Spezifisches Volumen-Temperatur (pvT)
de
Specific Volume-Temperature (pvT)
en

EU-CLP

Hazard Classes / Hazard Categories

According to Regulation (EC) No 1272/2008 on classification, labelling

and packaging of substances and mixtures (the 'CLP Regulation')

No classification in accordance with the Regulation (EC) No. 1272/2008.

GB-CLP

Hazardous classification under EU-CLP is not yet available; therefore, the product is not yet placed on the market within the EU-REACh regulatory area.

Typical values

Documents

Hazard information

EU-CLP

GB-CLP

Related topics