LEXAN™ Resin PK2870

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Description

LEXAN PK2870 polycarbonate resin, global grade, MVR (300C/1.2kg) 2 cm3/10min, high viscosity, branched, blow molding, high melt strength, high impact resistance, Available in transparent colors only. FDA 21CFR177.1580, European food contact regulation EC Directive EU10/2011. Designed to be a candidate for water bottle applications.

Diese Materialdaten wurden von Matmatch zur Verfügung gestellt

Alle Daten beziehen sich auf Raumtemperatur soweit nicht anderweitig spezifiziert. SI Einheiten werden verwendt soweit nicht anderweitig spezifiziert.
Äquivalente Standards sind ähnlich zu einem oder mehreren Standards die der Anbieter angegeben hat. Manche äquivalente Standards können strikter sein oder außerhalb der Bedingungen des ursprünglichen Standards.

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Eigenschaften

Allgemein

PropertyTemperatureValueComment

Dichte

23.0 °C

1.2 g/cm³

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ASTM D 792

Wasserabsorption

23.0 °C

0.15 %

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ISO 62 | 23°C, 50% RH

Wasseraufnahme, Gleichgewicht

100.0 °C

0.58 %

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ASTM D 570 | ASTM D 570

Mechanisch

PropertyTemperatureValueComment

Biegemodul

23.0 °C

2.3 GPa

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ISO 178 | 2 mm/min

Elastizitätsmodul

23.0 °C

2.35 GPa

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ASTM D 638 | 50 mm/min

Elongation at yield

23.0 °C

7 %

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ASTM D 638 | Type I, 50 mm/min

Flexural yield strength

23.0 °C

95 MPa

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ISO 178 | 2 mm/min

Hardness, Rockwell R

23.0 °C

120 [-]

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ISO 2039-2

Impact strength, Izod notched, ASTM

-30.0 °C

150 J/m

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ASTM D 256

23.0 °C

750 J/m

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ASTM D 256

Schlagfestigkeit, Charpy gekerbt

-30.0 °C

50 kJ/m²

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ISO 179/1eA

23.0 °C

70 kJ/m²

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ISO 179/1eA

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Schlagzähigkeit, Izod gekerbt

-30.0 °C

55 kJ/m²

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ISO 180/1A

23.0 °C

75 kJ/m²

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ISO 180/1A

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Streckgrenze

23.0 °C

62 MPa

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ASTM D 638 | Type I, 50 mm/min

Zugfestigkeit

23.0 °C

65 MPa

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ASTM D 638 | Type I, 50 mm/min

Impact strength, Izod unnotched, ASTM

No break @ 23,-30°C | ASTM D 4812

Schlagzähigkeit, Charpy ungekerbt

No break @ 23,-30°C | ISO 179/1eU

Schlagzähigkeit, Izod ungekerbt

No break @ 23,-30°C | ISO 180/1U

Thermisch

PropertyTemperatureValueComment

Heat deflection temperature, 0.45 MPa

145 °C

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ISO 75/Bf | 0.45 MPa

Koeffizient der thermischen Ausdehnung

23.0 °C

7E-5 1/K

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ASTM E 831 | -40°C to 95°C

Schmelzpunkt

265 - 275 °C

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Spezifische Wärmekapazität

23.0 °C

1250 J/(kg·K)

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ASTM C 351

Vicat-Erweichungstemperatur

150 °C

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ASTM D 1525 | Rate B/50

Wärmeleitfähigkeit

23.0 °C

0.2 W/(m·K)

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ISO 8302

Optisch

PropertyValueComment

Brechungsindex

1.59 [-]

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ISO 489

Transmission

88 %

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ASTM D 1003 | 2.54 mm

Rheological Properties

PropertyTemperatureValueComment

Schmelzmassenflussrate

2.5 g/10min

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ASTM D 1238 | 300°C/1.2 kg

Schmelzvolumenflussrate

4 cm³/10min

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ISO 1133 | 300°C/2.16 kg

Schrumpfung

23.0 °C

0.5 - 0.7 %

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SABIC method | 3.2 mm

Technological properties

Property
Application areas

Bottles,Document Handling,Food Container,Industrial Material Handling,Medical Device,Pharmaceutical Packaging & Drug Delivery,Wire & cable

Processing methods

Drying Temperature: 120°C, Drying Time: 3-4hrs, Drying Time (Cumulative): 48hrs, Maximum Moisture Content: 0.02%, Melt Temperature: 320-345°C, Nozzle Temperature: 315-340°C, Front - Zone 3 Temperature: 320-345°C, Middle - Zone 2 Temperature: 310-330°C, Rear - Zone 1 Temperature: 300-320°C, Mold Temperature: 80-115°C, Back Pressure: 0.3-0.7MPa, Screw Speed: 40-70rpm, Shot to Cylinder Size: 40-60%, Vent Depth: 0.025-0.076mm, Drying Temperature: 115-120°C, Drying Time: 4-6hrs, Drying Time (Cumulative): 48hrs, Maximum Moisture Content: 0.02%, Minimum Moisture Content: 0.01%, Barrel - Zone 1 Temperature: 260-275°C, Barrel - Zone 2 Temperature: 260-275°C, Barrel - Zone 3 Temperature: 260-275°C, Barrel - Zone 4 Temperature: 260-275°C, Adapter - Zone 5 Temperature: 260-275°C, Head - Zone 6 - Top Temperature: 260-275°C, Head - Zone 7 - Bottom Temperature: 260-275°C, Screw Speed: 15-50rpm, Mold Temperature: 65-95°C, Die Temperature: 270-280°C