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LEXAN™ CXT19EX resin

Technical DataSheet | Supplied by SABIC

LEXAN™ CXT19EX resin by SABIC is a polycarbonate (PC) copolymer grade with high heat properties. Offers high temperature resistance, high flow and excellent color stability. Exhibits low plateout and a broad processing window. It is suitable for processing by multiwall sheet and film extrusion. Applications of LEXAN™ CXT19EX resin could be flash lens, sensor lens, high heat films like touch screen sensor, auto camera lens, respiratory masks and auto inner lens. Shows crystal clear transparency.

LEXAN™ CXT19EX resin Product details

Product Type
xxxxxxxxxxxxxxxxxxxxxxx
Appearance
Transparent
Product Launch Date
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Product Status
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Geographical Availability
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Applications/ Recommended for
  • Optics > Lenses
  • Extrusion > Sheet & Plaques (standard)
Key Features
  • xxxxxxxxxxxxxxxxxxxxx
  • xxxxxxxxx
  • xxxxxxxxxx
  • xxxxxxxxxxxxxxxxxxxx
  • xxxxxxxxxxxxxxxxxx

LEXAN™ CXT19EX resin Properties

Mechanical Properties

Value & Unit
Test Condition
Test Method
Tensile Stress
xx MPa
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xxxxxxx
Tensile Stress
xx MPa
xxxxxxxxxx
xxxxxxx
Tensile Strain
xxx %
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xxxxxxx
Tensile Strain
xxxx %
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xxxxxxx
Tensile Modulus
xxxx MPa
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xxxxxxx
Flexural Stress
xxx MPa
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xxxxxxx
Flexural Modulus (Stiffness)
xxxx MPa
xxxxxxxx
xxxxxxx
Unnotched Izod Impact Strength
xx kJ/m²
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xxxxxxxxxx
Notched Izod Impact Strength
x kJ/m²
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xxxxxxxxxx
Notched Izod Impact Strength
x kJ/m²
xxxxxxxxxx
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Charpy Notched Strength
x kJ/m²
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Charpy Notched Strength
x kJ/m²
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Charpy Unnotched Strength
xx kJ/m²
xxxxxxxxxx
xxxxxxxxxx

Thermal Properties

Value & Unit
Test Condition
Test Method
Glass Transition Temperature (Tg)
xxx °C
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Vicat Softening Temperature
xxx °C
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xxxxxxx
Heat Deflection Temperature Under Load (HDT)
xxx °C
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Heat Deflection Temperature Under Load (HDT)
xxx °C
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Thermal Conductivity
xxx W/m-°C
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CLTE (Coefficient of Linear Thermal Expansion) - Flow
xxxxxxxx 1/°C
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CLTE (Coefficient of Linear Thermal Expansion) - X-Flow
xxxxxxxx 1/°C
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Physical Properties

Value & Unit
Test Condition
Test Method
Water Absorption
0.3 %
( 23°C, saturation )
ISO 62
Moisture Absorption
0.3 %
( 23°C, 50% RH )
ISO 62
Melt Volume Rate, MVR
xx cm³/10 min
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xxxxxxxx
Molding Shrinkage
xxxxxxxxx %
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Molding Shrinkage
xxxxxxxxx %
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Density
xxxx g/cm³
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Optical Properties

Value & Unit
Test Condition
Test Method
Refractive Index
xxxxx
xxxxxxx
Abbe number
xx
xxxxxxx
Light Transmission
xx %
xxxxxx
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Light Transmission
xx %
xxxxxx
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Light Transmission
xx %
xxxxxx
xxxxxxxxxx

LEXAN™ CXT19EX resin Processing Guidelines

Extrusion Properties

Value & Unit
Test Condition
Test Method
Drying Temperature
xxx °C
Drying Time
xxxxx hr
Barrel - Zone 1 Temperature
xxxxxxxxx °C
Barrel - Zone 2 Temperature
xxxxxxxxx °C
Barrel - Zone 3 Temperature
xxxxxxxxx °C
Hopper Temperature
xxxxxxxxx °C
Adapter Temperature
xxxxxxxxx °C
Die Temperature
xxxxxxxxx °C
Processing (Melt) Temp
xxxxxxxxx °C
Calibrator Temperature
xxxxxxxxx °C
Last edited Jan 15, 2018
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