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CPVC – 300™ FM 4910 is a plastic sheet product that controls static electricity in clean room applications requiring flame CPVC 300 retardant clear plastic. These applications include: clean room glazing, machine windows, doors, covers and enclosures; and fabricated desiccators and cabinets. This product is a Factory Mutual 4910* compliant chlorinated polyvinyl chloride sheet coated with C – 300™ static dissipative coating to prevent charge generation on the sheets surfaces. This controls particulate attraction and prevents electrostatic discharge (ESD) events completely independent of humidity. CPVC – 300™ has excellent flammability and smoke generation properties, plus superior chemical resistance, surface hardness, and mar resistance. Since the chemical properties of resins may vary according to the amount of chlorination and the types and quantity of additives, contact an Emco Industrial Plastics representative before designing material handling systems using CPVC.

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At a Glance

Generic Name
Chlorinated Polyvinyl Chloride

Available In

ITAR Registered

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Technical Information

Stock Products Properties Applications Advantages Grades

Stock Products

Sheet 0.125″ – 1.00″ TH 48″ x 96″; 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.


Physical PropertiesUnitsASTMResults
Density lb/in3 D792 1.47
Pencil Hardness Hardness Scale D3363 F
Mechanical PropertiesUnitsASTMResults
Tensile Strength @yield psi D638 9000
Tensile Modulus psi D638 480000
Tensile Elongation @Break % D638 3.76
Flexural Strength psi D790 15000
Flexural Modulus psi D790 450000
IZOD Impact Strength Notched ft-lb/in D256 0.5
Thermal PropertiesUnitsASTMResults
Coefficient of Linear Thermal Expansion (x 10-5 in./in./°F) D696 7.0 x 10^-5
Heat Deflection Temp at 264 psi °F 177
Melting Temperature °F D3418 NA
Max Operating Temp °F 160
Thermal Conductivity BTU-in/ft2-hr-°F C177 1.1
Flammability Rating UL94 V – O
Electrical PropertiesUnitsASTMResults
Surface Resistivity ohms/sq D257 10^6 – 10^8
Surface Resitance ohms EOS/ESD S11.11 10^5 – 10^7
Electrostatic Decay sec FTS 101C <0.05

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.


  • Clean room applications
  • Machine windows
  • Doors
  • Covers and enclosures
  • Fabricated cabinets


  • High impact strength
  • Dimensionally stable
  • Easily machined using standard metal working tools
  • Corrosion resistant
  • Easily cemented and welded
  • Lightweight
  • Excellent electrical properties
  • Excellent fire rating


  • CPVC
  • Fire Retardant
  • Pipe Grade
  • Static Dissipative
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