Search
show/hide navigation
Submit

Makrolon® 2458

MVR (300 °C/1.2 kg) 19 cm³/10 min; medical devices; suitable for ETO and steam sterilization at 121 °C; biocompatible according to many ISO 10993-1 test requirements; low viscosity; easy release

Contact an Expert
i
Market Switch
Selection will influence the results you get.
Copied to clipboard

About

Product Types

No data available

Material

No data available

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
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
Flash ignition temperature ASTM D1929 °C 480
Glass transition temperature ISO 11357-1,-2 10 °C/min °C 146
Oxygen index ISO 4589-2 Method A % 28
Resistance to heat (ball pressure test) IEC 60695-10-2 °C 138
Self ignition temperature ASTM D1929 °C 550
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 146
Vicat softening temperature ISO 306 50 N; 50 °C/h °C 145
Property Name Standard Test condition Unit Value
Ball indentation hardness ISO 2039-1 N/mm² 115
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 14C
Charpy notched impact strength ISO 21305/based on ISO 179/1eA 23 °C/ 3 mm kJ/m² 65P
Flexural modulus ISO 178 2 mm/min MPa 2350
Flexural strain at flexural strength ISO 178 2 mm/min % 7.1
Flexural strength ISO 178 2 mm/min MPa 97
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 65P
Izod notched impact strength ISO 21305/based on ISO 180/A -30 °C/ 3 mm kJ/m² 15C
Nominal strain at break ISO 527-1,-2 50 mm/min % > 50
Puncture energy ISO 6603-2 -30 °C J 65
Puncture energy ISO 6603-2 23 °C J 55
Puncture impact properties - maximum force ISO 6603-2 -30 °C N 6000
Puncture impact properties - maximum force ISO 6603-2 23 °C N 5100
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 creep modulus ISO 899-1 1 h MPa 2200
Tensile creep modulus ISO 899-1 1000 h MPa 1900
Tensile modulus ISO 527-1,-2 1 mm/min MPa 2400
Yield strain ISO 527-1,-2 50 mm/min % 6.1
Yield stress ISO 527-1,-2 50 mm/min MPa 65
Property Name Standard Test condition Unit Value
Haze for transparent materials ISO 14782 3 mm % < 0.8
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 4 mm % 87
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 20
Melt volume-flow rate ISO 1133 300 °C/ 1.2 kg cm³/10 min 19
Molding shrinkage, normal ISO 294-4 60x60x2 mm/ 500 bar % 70
Molding shrinkage, parallel ISO 294-4 60x60x2 mm/ 500 bar % 0.65
Molding shrinkage, parallel/normal b.o. ISO 2577 Value range based on general practical experience % 0.5 - 0.7
Property Name Standard Test condition Unit Value
Comparative tracking index CTI IEC 60112 Solution A Rating 250
Dissipation factor IEC 60250 1 MHz 10^-4^ 90
Dissipation factor IEC 60250 100 Hz 10^-4^ 5
Electrical strength IEC 60243-1 1 mm kV/mm 34
Relative permittivity IEC 60250 1 MHz 3.0
Relative permittivity IEC 60250 100 Hz 3.1
Surface resistivity IEC 60093 Ohm 1E16
Volume resistivity IEC 60093 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 280
Injection molding - Mold temperature ISO 294 °C 80
Property Name Standard Test condition Unit Value
Bulk density ISO 60 Pellets kg/m³ 660
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 % 0.3

Downloads

Technical Data Sheet
Download
Safety Data Sheet
No direct download available, please visit www.productsafetyfirst.covestro.com
Download
Secant modulus - Strain Makrolon® 2458 (Multipoint Data Sheet) Sekantenmodul-Dehnung Makrolon® 2458 (Multipoint Data Sheet)
Download
Specific Volume-Temperature (pvT) Makrolon® 2458 (Multipoint Data Sheet) Spezifisches Volumen-Temperatur (pvT) Makrolon® 2458 (Multipoint Data Sheet)
Download
Stress-Strain Makrolon® 2458 (Multipoint Data Sheet) Spannung-Dehnung Makrolon® 2458 (Multipoint Data Sheet)
Download
Viscosity Shear Rate Makrolon® 2458 (Multipoint Data Sheet) Viskosität Schergeschwindigkeit Makrolon® 2458 (Multipoint Data Sheet)
Download

Related topics

Do you want to know more about Makrolon® 2458?
Get in touch with our experts!

Contact form image Zoe

How would you describe yourself?

What type of material are you interested in?

What type of inquiry is this?

How can we contact you?

* Mandatory Fields

Compare
Compare