PC Covestro 3258 transparent grade PC material is a plastic material for medical care and medical device applications

PC Covestro 3258 transparent grade PC material is a plastic material for medical care and medical device applications

 (xxxx Reviews)
$3.60
$3.60
SAVE Sold out

Makrolon® 3258

Polycarbonate; MVR (300 °C/1.2 kg) 5.0 cm³/10 min; high viscosity; easy release; biocompatible according to many ISO 10993-1 test requirements; available in transparent and opaque colors

About

Product Types

  • Polycarbonate

Material

Plastics
Transparent, Medical

General Characterization

No data available

Technical Properties & Datasheets

Applications

Typical Values

Rheological properties

Property Test Condition Value Unit Standard
Melt Volume-flow Rate (MVR) 300 °C/ 1.2 kg 5 cm³/10min ISO 1133-1
Melt Mass-flow Rate (MFR) 300 °C/ 1.2 kg 5.5 g/10 min ISO 1133
Molding Shrinkage, parallel 60x60x2 mm/ 500 bar 0.7 % ISO 294-4
Molding Shrinkage, normal 60x60x2 mm/ 500 bar 0.75 % ISO 294-4
Molding Shrinkage, parallel / normal Value range based on general practical experience 0.6 - 0.8 % b.o. ISO 2577

Mechanical properties (23 °C/50 % r. h.)

Property Test Condition Value Unit Standard
Tensile modulus 1 mm/min 2,400 MPa ISO 527-1,-2
Yield Stress 50 mm/min 66 MPa ISO 527-1,-2
Yield Strain 50 mm/min 6.2 % ISO 527-1,-2
Nominal Strain at Break 50 mm/min > 50 % ISO 527-1,-2
Strain at Break 50 mm/min 120 % b.o. ISO 527-1,-2
Stress at Break 50 mm/min 70 MPa ISO 527-1,-2
Flexural Modulus 2 mm/min 2,400 MPa ISO 178
Flexural Strength 2 mm/min 96 MPa ISO 178
Flexural Strain at Flexural Strength 2 mm/min 7.1 % ISO 178
Flexural Stress at 3.5 % Flexural Strain 2 mm/min 73 MPa ISO 178
Izod Notched Impact Strength -30 °C/ 3 mm 20 kJ/m² ISO 7391/b.o. ISO 180/A
Izod Notched Impact Strength 23 °C/ 3 mm 75 kJ/m² ISO 7391/b.o. ISO 180/A
Izod Notched Impact Strength 23 °C/ 3 mm 75 kJ/m²
Izod Notched Impact Strength -30 °C/ 3 mm 20 kJ/m²
Izod Notched Impact Strength 23 °C/ 3 mm 75 kJ/m² ISO 21305/based on ISO 180/A
Charpy Notched Impact Strength -30 °C/ 3 mm 16 kJ/m² ISO 7391/based on ISO 179/1eA
Charpy Notched Impact Strength 23 °C/ 3 mm 80 kJ/m² ISO 7391/based on ISO 179/1eA
Charpy Notched Impact Strength 23 °C/ 3 mm 80 kJ/m²
Charpy Notched Impact Strength -30 °C/ 3 mm 16 kJ/m²
Charpy Notched Impact Strength -30 °C/ 3 mm 16 kJ/m² ISO 21305/based on ISO 179/1eA
Charpy Notched Impact Strength 23 °C/ 3 mm 80 kJ/m² ISO 21305/based on ISO 179/1eA
Puncture Impact Properties - Maximum Force -30 °C 6,700 N ISO 6603-2
Puncture Impact Properties - Maximum Force 23 °C 5,800 N ISO 6603-2
Puncture Energy -30 °C 75 J ISO 6603-2
Puncture Energy 23 °C 65 J ISO 6603-2
Ball Indentation Hardness 113 N/mm² ISO 2039-1
Tensile Creep Modulus 1000 h 1,900 MPa ISO 899-1
Tensile Creep Modulus 1 h 2,200 MPa ISO 899-1

Thermal properties

Property Test Condition Value Unit Standard
Temperature of Deflection under Load 0.45 MPa 139 °C ISO 75-1,-2
Temperature of Deflection under Load 1.80 MPa 127 °C ISO 75-1,-2
Vicat Softening Temperature 50 N; 120 °C/h 149 °C ISO 306
Vicat Softening Temperature 50 N; 50 °C/h 148 °C ISO 306
Glass Transition Temperature 10 °C/min 147 °C ISO 11357-1,-2
Coefficient of Linear Thermal Expansion, parallel 23 to 55 °C 0.65 10⁻⁴/K ISO 11359-1,-2
Coefficient of Linear Thermal Expansion, normal 23 to 55 °C 0.65 10⁻⁴/K ISO 11359-1,-2
Thermal Conductivity, through-plane 23 °C; 50 % r. h. 0.2 W/(m·K) ISO 8302
Resistance to Heat (Ball Pressure Test) 139 °C IEC 60695-10-2
Flash-Ignition Temperature 480 °C ASTM D1929
Self-Ignition Temperature 550 °C ASTM D1929

Other properties (23 °C)

Property Test Condition Value Unit Standard
Water Absorption (Saturation Value) Water at 23 °C 0.3 % ISO 62
Water Absorption (Equilibrium Value) 23 °C; 50 % r. h. 0.12 % ISO 62
Density 1,200 kg/m³ ISO 1183-1
Bulk Density Pellets 660 g/cm³ ISO 60

Material specific properties

Property Test Condition Value Unit Standard
Luminous Transmittance (Clear Transparent Materials) 4 mm 87 % ISO 13468-2
Luminous Transmittance (Clear Transparent Materials) 3 mm 88 % ISO 13468-2
Luminous Transmittance (Clear Transparent Materials) 2 mm 89 % ISO 13468-2
Luminous Transmittance (Clear Transparent Materials) 1 mm 89 % ISO 13468-2
Haze for Transparent Materials 3 mm < 0.8 % ISO 14782
Refractive Index Procedure A 1.587 ISO 489

Processing conditions for test specimens

Property Test Condition Value Unit Standard
Injection Molding - Melt Temperature 310 °C ISO 294
Injection Molding - Mold Temperature 90 °C ISO 294
Injection Molding - Injection Velocity 200 mm/s ISO 294

Recommended processing and drying conditions

Property Test Condition Value Unit Standard
Standard Melt Temperature 310 °C
Barrel Temperatures Nozzle 300 - 310 °C
Barrel Temperatures Front 290 - 300 °C
Barrel Temperatures Middle 280 - 290 °C
Barrel Temperatures Rear 260 - 270 °C
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 %
Dry Air Drying Temperature 120 °C
Dry Air Drying Time 2 - 3 h
Moisture Content max. (%) ≤ 0.02 %
Vent Depth 0.025 - 0.075 mm

 

check_box

Collapsible row

check_box

Collapsible row

View full details

Company Album

    Testimonials

    • ★★★★★

      Heading

      Share positive thoughts and feedback from your customer..

      Author

    • ★★★★★

      Heading

      Share positive thoughts and feedback from your customer..

      Author

    • ★★★★★

      Heading

      Share positive thoughts and feedback from your customer..

      Author

      Collapsible content

      check_box

      Collapsible row

      填充的内容

      check_box

      Collapsible row

      check_box

      Collapsible row

      check_box

      Collapsible row