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The characteristics of polycarbonate are quite like those of polymethyl methacrylate (PMMA; acrylic), but transparency, excellent toughness, thermal stability and a very good dimensional stability make polycarbonate one of the most widely used engineering thermoplastics in applications demanding high performance properties. This amorphous thermoplastic is highly transparent to visible light – it rates highest among transparent, rigid thermoplastics – and has better light transmission characteristics than many kinds of glass.

Machine grade polycarbonate exhibits superior impact strength and rigidity over a wide range of service temperatures and is often used for structural applications where transparency and impact strength are essential. Machine grade polycarbonate is stress relieved, making it ideal for close tolerance machined parts.

Clear, standard, and custom colors are available in coated, laminated, twin walled, patterned, or mirrored stock.

A large number of end use applications, i.e.,special grades that provide specific properties or processing characteristics (weatherability, abrasion/ scratch resistance, heat/flame retardance, UV stability, and static dissipation) for polycarbonate are possible by tailoring grades with specific molecular properties and additives during its manufacture. Contact an Emco Industrial Plastics representative who can help you choose the correct material to meet the needs of your applications.

Brand Names

  • Ensicar®
  • Hydex® 4301
  • Hyzod® M
  • Quadrant® PC 1000
  • Sustanat®
  • Tecanat™
  • Tuffak®
  • Unicar®

Emco Industrial Plastics doesn’t claim to represent all of the manufacturers or trade name products listed. This list is intended as a guide of typical materials available for purchase from Emco Industrial Plastics, Inc. For additional information, contact an Emco Industrial Plastics representative by filling out the form below.

 

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At a Glance

Generic Name
Polycarbonate, Machine Grade

Available In
Sheet, Rod, Tube

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Technical Information

Stock Products Properties Applications Advantages Grades

Stock Products

TypeSizeLengthColor
Sheet 1/4″ – 6″ TH 2′, 4′, x 2′, 4′; CTS Natural, Black
Rod 1/32″ – 15″ DIA Standard lengths; CTS Natural, Black
Tube 1/4″ – 7-3/4″ ID Standard 8′; CTS Clear

Give us your cut-to-size dimensions. We will precision-cut these plastics to your exact size. Additional sizes and colors available upon request.

Properties

Physical PropertiesUnitsASTMResults
Density lb/in³ D792 0.043
Water Absorption, 24 hrs % D570 0.012 – 0.150
Mechanical PropertiesUnitsASTMResults
Tensile Strength psi D638 9,500 – 10,000
Tensile Modulus psi D638 320000
Tensile Elongation @Break % D638 60 – 135
Flexural Strength psi D790 14,200 – 15,000
Flexural Modulus psi need
Compressive Strength psi D695 12000
Compressive Modulus psi D695 240,000 – 345,000
Hardness, Rockwell R D785 118
IZOD Impact Strength Notched ft-lb/in D256 13 – 17
IZOD Impact Strength Un-notched ft-lb/in D256 NB
Thermal PropertiesUnitsASTMResults
Coefficient of Linear Thermal Expansion (x 10-5 in./in./°F) D256 3.9
Heat Deflection Temp at 66 psi °F D648 270 – 280
Heat Deflection Temp at 264 psi °F 270 – 293
Max Operating Temp °F 250
Thermal Conductivity BTU-in/ft²-hr-°F C177 1.3
Flammability Rating UL94 H-B/V-O
Electrical PropertiesUnitsASTMResults
Dielectric Strength. 1/8″ th. V/mil D149 390 – 965
Dielectric Constant D150 3.17
Dissipation Factor @ 60 Hz D150 0.0009
Volume Resistivity v ohm-cm D257 10¹⁶
Optical PropertiesUnitsASTMResults
Haze, initial % D1003 0.01

NOTE: The property values presented above 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.

Applications

  • Manifolds
  • Glazing
  • Optical components
  • Industrial equipment and housing components
  • Electrical insulators and connectors
  • Medical equipment components
  • Machine guards, equipment covers
  • Non-automotive vehicle windows

Advantages

  • High impact strength
  • Low moisture absorption
  • Resists acids
  • Transparent
  • FDA compliant
  • Good dielectric properties
  • Good mechanical and electrical properties
  • Transparent up to 2″ in special grades

Grades

  • Machine Grade
  • Optical Grade
  • Static Contro
  • Glass Filled
  • Flame Retardant
  • Bullet Resistant

NOTE: Several grades of this material are available. For additional information regarding this plastic, contact your Emco Industrial Plastics representative or call 973-862-4148.

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