LEXAN™ Resin ML7682

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Description

LEXAN ML7682 resin is a flame retardant polycarbonate blend featuring high flow, good processability, good impact, good heat resistance, and UV stability. It is of non-chlorine and non-bromine flame retardant systems with UL-94 listing of V0 and 5V. LEXAN ML7682 resin offers limited opaque colors for aesthetics needs.

Los datos sobre este material han sido proporcionados por Matmatch.

A menos que se indique lo contrario, todas las medidas corresponden a condiciones de temperatura ambiente. A menos que se indique lo contrario, se utilizan las unidades del SI.
Las normas armonizadas son similares a uno o varios estándares del proveedor. Es posible que algunas normas armonizadas se ajusten al estándar original, mientras que otras pueden quedar fuera de su alcance.

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Propiedades

General

PropertyTemperatureValueComment

Absorción de agua

23.0 °C

0.17 %

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ISO 62 | 23°C, 50% RH

Densidad

23.0 °C

1.22 g/cm³

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ASTM D 792

Mecánica

PropertyTemperatureValueComment

Elongación

23.0 °C

93 %

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ASTM D 638 | Type I, 50 mm/min

Elongation at yield

23.0 °C

5.6 %

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ASTM D 638 | Type I, 50 mm/min

Flexural yield strength

23.0 °C

90 MPa

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ISO 178 | 2 mm/min

Impact strength, Izod notched, ASTM

-30.0 °C

130 J/m

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ASTM D 256

23.0 °C

760 J/m

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ASTM D 256

Impact strength, Izod unnotched, ASTM

-30.0 °C

2100 J/m

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ASTM D 4812

23.0 °C

2150 J/m

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ASTM D 4812

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Límite elástico

23.0 °C

60 MPa

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ASTM D 638 | Type I, 50 mm/min

Módulo de flexión

23.0 °C

2.43 GPa

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ISO 178 | 2 mm/min

Módulo elástico

23.0 °C

2.5 GPa

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ASTM D 638 | 50 mm/min

Resistencia a la tracción

23.0 °C

59 MPa

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ASTM D 638 | Type I, 50 mm/min

Resistencia al choque, ensayo Charpy entallado

-30.0 °C

16 kJ/m²

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ISO 179/1eA

23.0 °C

62 kJ/m²

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ISO 179/1eA

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Resistencia al choque, ensayo Charpy no entallado

-30.0 °C

132 kJ/m²

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ISO 179/1eU

23.0 °C

133 kJ/m²

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ISO 179/1eU

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Resistencia al choque, ensayo Izod entallado

-30.0 °C

15 kJ/m²

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ISO 180/1A

23.0 °C

63 kJ/m²

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ISO 180/1A

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Resistencia al choque, ensayo Izod no entallado

-30.0 °C

180 kJ/m²

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ISO 180/1U

23.0 °C

181 kJ/m²

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ISO 180/1U

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Aplicaciones térmicas

PropertyTemperatureValueComment

Coeficiente de dilatación térmica

23.0 °C

6.4E-5 1/K

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ASTM E 831 | -40°C to 40°C

Coeficiente de dilatación térmica transversal

23.0 °C

6.8E-5 1/K

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ASTM E 831 | -40°C to 40°C

Heat deflection temperature, 1.80 MPa

119 °C

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ASTM D 648 | 1.82 MPa, 3.2mm, unannealed

Relative temperature index, electrical

125 °C

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UL 746B

Relative temperature index, mechanical impact

110 °C

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UL 746B

Relative temperature index, mechanical strength

120 °C

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UL 746B

Temperatura de reblandecimiento Vicat

138 °C

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ASTM D 1525 | Rate B/50

Inflamabilidad

UL Recognized, 94-5VB Flame Class Rating | 1.8mm | UL 94

Eléctrico

PropertyTemperatureValueComment

Volume resistivity

23.0 °C

1.00E+17 - 1.00E+18 Ω·cm

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ASTM D 257

Rheological Properties

PropertyTemperatureValueComment

Contracción

23.0 °C

0.6 - 0.8 %

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SABIC method | 3.2 mm

Contracción transversal

23.0 °C

0.6 - 0.8 %

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SABIC method

Velocidad de flujo de la masa derretida

22 g/10min

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ASTM D 1238 | 300°C/1.2 kg

Velocidad de flujo del volumen derretido

21 cm³/10min

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ISO 1133 | 300°C/1.2 kg

Technological properties

Property
Application areas

Data Transfer,Displays,Document Handling,Electronic Components,Enclosures,LED Lighting,Personal Computing,Security/Detection,Wireless Communications,Wiring Devices

Processing methods

Drying Temperature: 120°C, Drying Time: 3-4hrs, Drying Time (Cumulative): 48hrs, Maximum Moisture Content: 0.02%, Melt Temperature: 290-310°C, Nozzle Temperature: 280-305°C, Front - Zone 3 Temperature: 290-310°C, Middle - Zone 2 Temperature: 275-300°C, Rear - Zone 1 Temperature: 265-290°C, Mold Temperature: 70-95°C, Back Pressure: 0.3-0.7MPa, Screw Speed: 40-70rpm, Shot to Cylinder Size: 40-60%, Vent Depth: 0.025-0.076mm