lexan - Polycarbonate Technical Data Sheet

Nov 2, 2026

Uploaded by Margaret

Lexan polycarbonate is an amorphous engineering thermoplastic known for outstanding mechanical, optical, electrical, and thermal properties. The sheet summarizes typical property values and compares unfilled and 30% glass grades across physical, mechanical, thermal, and electrical categories using listed ASTM/UL test methods. It highlights design versatility through options such as flame retardancy, scratch resistance, toughness, heat and weather resistance, and compliance with FDA/USP requirements, along with general benefits and usage cautions.

LanguageEnglish

CategoryTechnology

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Benefits and Compliance

Typical Properties of Polycarbonate

Physical

Mechanical

Thermal

Electrical

Technical DaTa SheeT lexan (Pc) Polycarbonate Lexan is an amorphous engineering thermoplastic, characterized by outstanding mechanical, optical, electrical and thermal properties. Lexan polycarbonate provides broad design versatility through its wide range of viscosities and product options such as: Environmentally conforming, flame retardancy, scratch resistance, toughness, heat resistance, weatherability, biocompatibility, optical quality, and compliance with stringent FDA and USP requirements. Lexan polycarbonate is supplied in a wide variety of grades. | TYPICAL PROPERTIES of POLYCARBONATE | | | | | --- | --- | --- | --- | | ASTM or UL test | Property | Unfilled | 30% Glass | | PHYSICAL | | | | | D792 | Density (lb/in³)
(g/cm³) | 0.043
1.2 | 0.052
1.43 | | D570 | Water Absorption, 24 hrs (%) | 0.12 | 0.12 | | MECHANICAL | | | | | D638 | Tensile Strength (psi) | 9,500 | 19,000 | | D638 | Tensile Modulus (psi) | 320,000 | - | | D638 | Tensile Elongation at Break (%) | 60 | 10 | | D790 | Flexural Strength (psi) | 15,000 | 23,000 | | D790 | Flexural Modulus (psi) | 375,000 | 1,100,000 | | D695 | Compressive Strength (psi) | 12,000 | 18,000 | | D695 | Compressive Modulus (psi) | 240,000 | 500,000 | | D785 | Hardness, Rockwell | M70 / R118 | M92 | | D256 | IZOD Notched Impact (ft-lb/in) | 13 | 2 | | THERMAL | | | | | D696 | Coefficient of Linear Thermal Expansion
(x 10-5 in./in./°F) | 3.9 | 1.2 | | D648 | Heat Deflection Temp (°F / °C) at 264 psi | 270 / 132 | 295 / 146 | | D3418 | Glass Transition Temp (°F / °C) | 293 / 145 | 300 / 149 | | - | Max Operating Temp (°F / °C) | 250 / 121 | 270 / 132 | | C177 | Thermal Conductivity (BTU-in/ft²-hr-°F)(x 10-4 cal/cm-sec-°C) | 1.3
6.9 | 1.3
6.9 | | UL94 | Flammability Rating @ less than .45" (11.5mm) thickness @ .45" (11.5mm) thickness and above | H-B | H-B | | ELECTRICAL | | | | | D149 | Dielectric Strength (V/mil) short time, 1/8" thick | 390 | 470 | | D150 | Dielectric Constant at 60 Hz | 3.17 | 3.35 | | D150 | Dissipation Factor at 60 Hz | 0.0009 | 0.0011 | | D257 | Volume Resistivity (ohm-cm)at 50% RH | 1016 | 1016 | Benefits High impact Strength Easily fabricated Outstanding clarity Wide temperature range applications Medical Electronics Marine Aerospace Automotive Shape available LEXAN is a registered trademark of SABIC Innovative Polymers (formerly GE Plastics) . NOTE: The information contained herein are typical values intended for reference and comparison purposes only. They should NOT be used as a basis for design specifications or quality control. Contact us for manufacturers’ complete material property datasheets. All values at 73°F (23°C) unless otherwise noted.

FAQs

What are the main characteristics of Lexan polycarbonate?

Lexan polycarbonate is described as having outstanding mechanical, optical, electrical, and thermal properties, with design versatility and multiple application-oriented options.

Which grades are compared in the typical properties table?

The table compares an unfilled grade versus a grade containing 30% glass, with values listed for physical, mechanical, thermal, and electrical properties.

What caution does the datasheet give about using the provided values?

The information is stated as typical reference and comparison values only and should not be used as a basis for design specifications or quality control; complete manufacturer datasheets should be consulted.

Nov 2, 2026

Uploaded by Margaret