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Elmet Technologies
Evonik TROGAMID® CX9704 Polyamide
Categories: Polymer; Thermoplastic; Acrylic (PMMA)

Material Notes: Properties: Common transparent polyamides consist in partially aromatic units that impart rigidity and high heat resistance. Our TROGAMID® T5000 is a typical representative of this group. Replacing aromatic constituents with aliphatic monomers improves the UV stability of transparent polyamides. TROGAMID® CX7323 is an example of this type of polyamides. By selecting specific monomers, one can achieve a crystallizable and permanently transparent polyamide: TROGAMID® CX. The crystallites are so small that they do not scatter visible light, and the material appears transparent to the human eye—a property known as microcrystallinity. Because of its crystallinity, the microcrystalline structure retains important properties such as stress cracking resistance— without clouding. The degree of crystallinity is so negligible, however, that it has no adverse effect on the shrinkage behavior of molded parts. TROGAMID® CX undergoes a similar isotropic shrinkage like amorphous materials. TROGAMID® CX combines the chemical resistance of semi-crystalline molding materials with the advantages of amorphous, UV-resistant materials. The outstanding properties of TROGAMID® CX are:
  • crystal-clear, permanent transparency, high transmission
  • superior chemical and stress cracking resistance
  • high level of UV resistance
  • low water absorption compared with many other polyamides, which leaves the mechanical properties virtually unaffected
  • very balanced mechanical property profile
  • high dimensional stability
  • high impact resistance, even at low temperatures
  • high level of dynamic strength (e.g., for internally pressurized parts)
  • abrasion and scratch resistance
  • high glass transition temperature
  • very low isotropic shrinkage
  • easy processing
The combination of good UV resistance, high mechanical strength, permanent transparency, high transmission and superior chemical resistance opens a wide range of applications for TROGAMID® CX. Typical areas of application are in the auto motive industry, machinery and engineering, medical technology, the sports and recreation industry, the glasses production, the cosmetics industry and in water treatment and filter technology.

Information provided by Evonik

Vendors:
Available Properties
  • Density, ISO 1183
  • Viscosity Number
  • Hardness, Shore D, ISO 868
  • Ball Indentation Hardness, ISO 2039-1, H30
  • Tensile Strength, Yield, ISO 527-1/2, 50 mm/min
  • Elongation at Break, ISO 527-1/2, 50 mm/min
  • Elongation at Yield, ISO 527-1/2, 50 mm/min
  • Tensile Modulus, ISO 527-1/-2
  • Flexural Strength, ISO 178, 5 mm/min, outer fiber strain at max stress
  • Flexural Strength, ISO 178, 5 mm/min, 3.5% at strain
  • Flexural Strength, ISO 178, 5 mm/min
  • Flexural Modulus, ISO 178
  • Charpy Impact Unnotched, ISO 179/1eU
  • Charpy Impact Unnotched, ISO 179/1eU
  • Charpy Impact Unnotched, ISO 179/1eU
  • Charpy Impact, Notched, ISO 179/1eA
  • Charpy Impact, Notched, ISO 179/1eA
  • Charpy Impact, Notched, ISO 179/1eA
  • Volume Resistivity, IEC 60093
  • Surface Resistance, IEC 60093
  • Dielectric Constant, IEC60250
  • Dielectric Constant, IEC60250
  • Dissipation Factor, IEC 60250
  • Dissipation Factor, IEC 60250
  • Comparative Tracking Index, IEC 60112, 100 drops value
  • Comparative Tracking Index, IEC 60112, CTI
  • CTE, linear, Parallel to Flow, ISO 11359
  • CTE, linear, Transverse to Flow, ISO 11359
  • Deflection Temperature at 0.46 MPa (66 psi), ISO 75-1/-2
  • Deflection Temperature at 1.8 MPa (264 psi), ISO 75-1/-2
  • Vicat Softening Point, ISO 306
  • Vicat Softening Point, ISO 306
  • Glass Transition Temp, Tg, ISO 11357
  • Flammability, UL94, IEC 60695
  • Flammability, UL94, IEC 60695
  • Glow Wire Ignition Temperature, IEC 60695
  • Glow Wire Flammability Index, IEC 60695
  
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Manufacturer Notes:
Evonik Corporation (Former Evonik Degussa GmbH)

Category Notes
Plastic

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