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.

This material data has been provided by Matmatch.

All metrics apply to room temperature unless otherwise stated. SI units used unless otherwise stated.
Equivalent standards are similar to one or more standards provided by the supplier. Some equivalent standards may be stricter whereas others may be outside the bounds of the original standard.

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Properties

General

PropertyTemperatureValueComment

Density

23.0 °C

1.2 g/cm³

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ASTM D 792

Water absorption

23.0 °C

0.15 %

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ISO 62 | 23°C, 50% RH

Water absorption, equilibrium

100.0 °C

0.58 %

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ASTM D 570 | ASTM D 570

Mechanical

PropertyTemperatureValueComment

Elastic modulus

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 modulus

23.0 °C

2.3 GPa

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ISO 178 | 2 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, Charpy notched

-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

Impact strength, Izod notched

-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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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

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Tensile strength

23.0 °C

65 MPa

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ASTM D 638 | Type I, 50 mm/min

Yield strength

23.0 °C

62 MPa

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ASTM D 638 | Type I, 50 mm/min

Impact strength, Charpy unnotched

No break @ 23,-30°C | ISO 179/1eU

Impact strength, Izod unnotched

No break @ 23,-30°C | ISO 180/1U

Impact strength, Izod unnotched, ASTM

No break @ 23,-30°C | ASTM D 4812

Thermal

PropertyTemperatureValueComment

Coefficient of thermal expansion

23.0 °C

7E-5 1/K

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ASTM E 831 | -40°C to 95°C

Heat deflection temperature, 0.45 MPa

145 °C

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ISO 75/Bf | 0.45 MPa

Melting point

265 - 275 °C

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Specific heat capacity

23.0 °C

1250 J/(kg·K)

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ASTM C 351

Thermal conductivity

23.0 °C

0.2 W/(m·K)

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ISO 8302

Vicat softening temperature

150 °C

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ASTM D 1525 | Rate B/50

Optical

PropertyValueComment

Refractive index

1.59 [-]

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ISO 489

Transmission

88 %

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ASTM D 1003 | 2.54 mm

Rheological Properties

PropertyTemperatureValueComment

Melt mass-flow rate

2.5 g/10min

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ASTM D 1238 | 300°C/1.2 kg

Melt volume-flow rate

4 cm³/10min

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ISO 1133 | 300°C/2.16 kg

Shrinkage

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