Submit
  • Plastics

Makrolon® 1248

MVR (300 °C/1.2 kg) 7.0 cm³/10 min; food contact quality; medium viscosity; impact modified

Contact expert Request a sample Request a quote
i
Market Switch
Selection will influence the results you get.
Copied to clipboard

About

Product Types

  • Polycarbonate

Material

Plastics
Impact resistant, Food-contact-compliant, Opaque

General Characterization

No data available

Storage Conditions

No data available

Sampling

No data available

Packaging Type

No data available

Technical Properties & Datasheets

Property Name Standard Test condition Unit Value
Barrel Temperatures - Front - °C 280 - 290
Barrel Temperatures - Middle - °C 270 - 280
Barrel Temperatures - Nozzle - °C 290 - 300
Barrel Temperatures - Rear - °C 250 - 260
Dry Air Drying Temperature - °C 120
Dry Air Drying Time - h 2 - 3
Hold Pressure (% of injection pressure) - % 50 - 75
Melt temperatures - °C 280 - 320
Moisture Content max. (%) - % <= 0,02
Mold Temperatures - °C 80 - 120
Peripheral Screw Speed - m/s 0.05 - 0.2
Plastic Back Pressure (specific) - bar 50 - 150
Shot-to-Cylinder Size - % 30 - 70
Standard Melt temperature - °C 300
Vent Depth - mm 0.025 - 0.075
Property Name Standard Test condition Unit Value
Burning behavior UL 94 (1.5 mm) UL 94 1.5 mm Class HB
Burning rate (US-FMVSS) ISO 3795 >=1.0 mm mm/min passed
Coefficient of linear thermal expansion, normal ISO 11359-1,-2 23 to 55 °C 10^-4^/K 0.7
Coefficient of linear thermal expansion, parallel ISO 11359-1,-2 23 to 55 °C 10^-4^/K 0.7
Flash ignition temperature ASTM D1929 °C 430
Glass transition temperature ISO 11357-1,-2 10 °C/min °C 148
Glow wire test (GWFI) IEC 60695-2-12 0.75 mm °C 850
Glow wire test (GWFI) IEC 60695-2-12 1.5 mm °C 850
Glow wire test (GWFI) IEC 60695-2-12 3.0 mm °C 900
Glow wire test (GWIT) IEC 60695-2-13 0.75 mm °C 800
Glow wire test (GWIT) IEC 60695-2-13 1.5 mm °C 875
Glow wire test (GWIT) IEC 60695-2-13 3.0 mm °C 875
Halving interval (Tensile strength) IEC 60216-1 1.0 mm °C 45
Needle flame test IEC 60695-11-5 Method F/ 1.5 mm s 60
Needle flame test IEC 60695-11-5 Method F/ 2.0 mm s 60
Needle flame test IEC 60695-11-5 Method F/ 3.0 mm s 120
Needle flame test IEC 60695-11-5 Method K/ 3.0 mm s 10
Needle flame test IEC 60695-11-5 Method K/ 2.0 mm s 5
Oxygen index ISO 4589-2 Method A % 30
Resistance to heat (ball pressure test) IEC 60695-10-2 °C 138
Self ignition temperature ASTM D1929 °C 540
Temperature index (Tensile impact strength) IEC 60216-1 20000 h/ 1.0 mm °C 455
Temperature of deflection under load ISO 75-1,-2 0.45 MPa °C 139
Temperature of deflection under load ISO 75-1,-2 1.80 MPa °C 125
Thermal conductivity, through-plane ISO 8302 23 °C; 50 % r. h. W/(m*K) 0.2
Vicat softening temperature ISO 306 50 N; 120 °C/h °C 148
Vicat softening temperature ISO 306 50 N; 50 °C/h °C 146
Property Name Standard Test condition Unit Value
Ball indentation hardness ISO 2039-1 N/mm² 108
Charpy impact strength ISO 179/1eU -30 °C kJ/m² N
Charpy impact strength ISO 179/1eU -60 °C kJ/m² N
Charpy impact strength ISO 179/1eU 23 °C kJ/m² N
Charpy notched impact strength ISO 21305/based on ISO 179/1eA -30 °C/ 3 mm kJ/m² 60P(C)
Charpy notched impact strength ISO 21305/based on ISO 179/1eA 23 °C/ 3 mm kJ/m² 70P
Flexural modulus ISO 178 2 mm/min MPa 2250
Flexural strain at flexural strength ISO 178 2 mm/min % 6.8
Flexural strength ISO 178 2 mm/min MPa 88
Flexural stress at 3.5 % strain ISO 178 2 mm/min MPa 68
Izod notched impact strength ISO 21305/based on ISO 180/A 23 °C/ 3 mm kJ/m² 65P
Izod notched impact strength ISO 21305/based on ISO 180/A -30 °C/ 3 mm kJ/m² 30C(P)
Nominal strain at break ISO 527-1,-2 50 mm/min % > 50
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 6100
Puncture impact properties - maximum force ISO 6603-2 23 °C N 5200
Strain at break b.o. ISO 527-1,-2 50 mm/min % 130
Stress at break ISO 527-1,-2 50 mm/min MPa 70
Tensile modulus ISO 527-1,-2 1 mm/min MPa 2250
Yield strain ISO 527-1,-2 50 mm/min % 6
Yield stress ISO 527-1,-2 50 mm/min MPa 61
Property Name Standard Test condition Unit Value
Luminous transmittance (clear transparent materials) ISO 13468-2 1 mm % 89
Luminous transmittance (clear transparent materials) ISO 13468-2 2 mm % 89
Luminous transmittance (clear transparent materials) ISO 13468-2 3 mm % 88
Refractive index ISO 489 Procedure A 1.586
Property Name Standard Test condition Unit Value
Melt mass-flow rate ISO 1133 300 °C/ 1.2 kg g/10 min 7.5
Melt volume-flow rate ISO 1133 300 °C/ 1.2 kg cm³/10 min 7
Molding shrinkage, normal ISO 294-4 60x60x2 mm³/ 500 bar % 0.8
Molding shrinkage, parallel ISO 294-4 60x60x2 mm³/ 500 bar % 0.75
Molding shrinkage, parallel/normal b.o. ISO 2577 Value range based on general practical experience % 0.6 - 0.8
Property Name Standard Test condition Unit Value
Comparative tracking index CTI IEC 60112 Solution A Rating 225
Comparative tracking index CTI M IEC 60112 Solution B Rating 125M
Dissipation factor IEC 60250 1 MHz 10^-4^ 120
Dissipation factor IEC 60250 100 Hz 10^-4^ 12
Electrical strength IEC 60243-1 1 mm kV/mm 34
Electrolytic corrosion IEC 60426 Rating A1
Relative permittivity IEC 60250 1 MHz 3.0
Relative permittivity IEC 60250 100 Hz 3.1
Surface resistivity IEC 62631-3-2 Ohm 1E16
Volume resistivity IEC 62631-3-1 Ohm*m 1E14
Property Name Standard Test condition Unit Value
Injection molding - Injection velocity ISO 294 mm/s 200
Injection molding - Melt temperature ISO 294 °C 300
Injection molding - Mold temperature ISO 294 °C 80
Property Name Standard Test condition Unit Value
Bulk density ISO 60 Pellets kg/m³ 640
Density ISO 1183-1 kg/m³ 1200
Water absorption (equilibrium value) ISO 62 23 °C; 50 % r. h. % 0.12
Water absorption (saturation value) ISO 62 Water at 23 °C % 0.4

Downloads

Technical Data Sheet
Download
Safety Data Sheet
No direct download available, please visit www.productsafetyfirst.covestro.com
Specific Volume-Temperature (pvT) Makrolon® 1248 (Multipoint Data Sheet) Spezifisches Volumen-Temperatur (pvT) Makrolon® 1248 (Multipoint Data Sheet)
Viscosity Shear Rate Makrolon® 1248 (Multipoint Data Sheet) Viskosität Schergeschwindigkeit Makrolon® 1248 (Multipoint Data Sheet)

Do you want to know more about Makrolon® 1248?
Get in touch with our experts!

How would you describe yourself?

What type of material are you interested in?

What type of industry are you interested in?

What type of inquiry is this?

How can we contact you?

* Mandatory Fields

{"FieldName":"","Endpoint":"https://covestro-prod-ffm.apimanagement.eu2.hana.ondemand.com/hybrispcm/products_typeahead?identKey=GB6LiyNSG0YYxXXEpmO8EyoUdFLN0Roi&max=5&lang=en&extended=true","Language":"en","PermissionQuery":"","BrandLabel":"Brand","ProductLabel":"Product","NoResultLabel":"No results for","MaxItem":10}
Request a sample
formVersion
{"FieldName":"productName","Endpoint":"https://covestro-prod-ffm.apimanagement.eu2.hana.ondemand.com/hybrispcm/products_typeahead?identKey=GB6LiyNSG0YYxXXEpmO8EyoUdFLN0Roi&max=5&lang=en&extended=true","Language":"en","PermissionQuery":"","BrandLabel":"Brand","ProductLabel":"Product","NoResultLabel":"No results for","MaxItem":10}

Request a sample

Hello! Thanks for reaching out to us.
We have received your request and one of our experts will be in touch with you as soon as possible.
In the meantime, feel free to discover our innovative material solutions!

Speak to you soon,
Your Covestro Team

Request a quote
formVersion
{"FieldName":"productName","Endpoint":"https://covestro-prod-ffm.apimanagement.eu2.hana.ondemand.com/hybrispcm/products_typeahead?identKey=GB6LiyNSG0YYxXXEpmO8EyoUdFLN0Roi&max=5&lang=en&extended=true","Language":"en","PermissionQuery":"","BrandLabel":"Brand","ProductLabel":"Product","NoResultLabel":"No results for","MaxItem":10}

Request a quote

Hello! Thanks for reaching out to us.
We have received your request and one of our experts will be in touch with you as soon as possible.
In the meantime, feel free to discover our innovative material solutions!

Speak to you soon,
Your Covestro Team

Compare