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INEOS NOVA Zyntar™ 351 High Performance Flame Retardant Polystyrene


Subcategory: Polystyrene; Thermoplastic

Close Analogs: INEOS NOVA began October 1 2007 as an expansion of the 50:50 joint venture between NOVA Chemicals and INEOS to include North American assets. 

Material Notes:
High Vicat and heat reflection temperature, Custom colors

Applications: Injection molding, Gas-assist injection molding, Structural foam, TV cabinets, Electronic enclosures

This is an impact grade of polystyrene containing chemicals to increase resistance to ignition in laboratory flame tests. Laboratory flame tests are not intended to appraise the hazards of material under actual fire conditions. It has be processed at normal condition on a variety of machines. melt temperatures about 470°F should be avoided to prevent degradation and possible machine damage through corrosion and/or high internal pressure. Therefore, processing equipment should be flushed out with polystyrene that does not contain flame retardants whenever an appreciable interruption of cycle occurs. Organic polymers containing flame retardant additives may release hazardous or toxic vapors if given lengthy or excessive exposure to high heat. Adequate ventilation should be used during processing.

Injection Speed: Slow to Moderate

Colored material may differ in some properties. All molded samples were an 1/8 inch thick unless noted.

Information provided by NOVA Chemicals.

Available Properties
  • Density
  • Linear Mold Shrinkage
  • Melt Flow
  • Tensile Strength, Yield
  • Elongation at Break
  • Flexural Modulus
  • Flexural Strength
  • Izod Impact, Notched
  • Deflection Temperature at 1.8 MPa (264 psi)
  • Vicat Softening Point
  • Flammability, UL94
  • Processing Temperature
  • Rear Barrel Temperature
  • Middle Barrel Temperature
  • Front Barrel Temperature
  • Melt Temperature
  • Mold Temperature
  • Drying Temperature
  • Dry Time
  • Back Pressure
Property Data

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