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Ensinger PEI

Evonik Trogamid® CX7323 Transparent Nylon  (discontinued **)
Categories: Polymer; Thermoplastic; Nylon (Polyamide PA); Nylon, Amorphous Transparent Alloy

Material Notes: Description: TROGAMID® CX compounds round off the product range of High Performance Polymers to include semicrystalline polyamides, the crystallites of which are so small that they do not scatter visible light—a property known as microcrystallinity. The compounds are therefore as clear as glass. They possess higher resistance to chemicals and stress cracking than amorphous transparent plastics, in addition to the mechanical advantages of amorphous compounds. 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, which leaves the mechanical properties virtually unaffected
  • high dimensional stability
  • balanced mechanical property profile
  • 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 unique combination of properties in TROGAMID® CX compounds permits their use over a broad application spectrum. Areas of application can be as diverse as water management, filter technology, laboratory and medical technology, the manufacture of eyeglasses, or bottles for the cosmetics industry.

Specific Notes for this Material: Medium-viscous, permanently transparent polyamide for injection molding and extrusion

Information provided by degussa.

Evonik Industries is the successor company to Degussa.

Key Words: PA PACM 12, cycloaliphatic diamine dodecanedioic acid
Vendors: No vendors are listed for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
 
Physical PropertiesMetricEnglishComments
Density 1.02 g/cc0.0368 lb/in³ISO 1183
Melt Density 0.900 g/cc
@Temperature >=250 °C
0.0325 lb/in³
@Temperature >=482 °F
Water Vapor Transmission 8.30 g/m²/day
@Diameter 0.108 mm,
Temperature 23.0 °C
0.535 g/100 in²/day
@Diameter 0.00425 in,
Temperature 73.4 °F
85% R.H.
Oxygen Transmission Rate 37.49 cc/m²/day
@Diameter 0.0500 mm
2.414 cc/100 in²/day
@Diameter 0.00197 in
or 740 cc/m²-24hr-bar
Nitrogen Transmission 4.31 cc-mm/m²-24hr-atm
@Diameter 0.0500 mm
10.9 cc-mil/100 in²-24hr-atm
@Diameter 0.00197 in
or 85 cc/m²-24hr-bar
Carbon Dioxide Transmission 128.68 cc-mm/m²-24hr-atm
@Diameter 0.0500 mm
326.85 cc-mil/100 in²-24hr-atm
@Diameter 0.00197 in
or 2540 cc/m²-24hr-bar
Viscosity Number 160 - 180 cm³/g1.60 - 1.80 dl/gISO 307
Permeability 5.0e-105.0e-10cm3/(cm s bar), Nitrogen Permeation Coefficient (d=0.05 mm)
 4.3e-94.3e-9cm3/(cm s bar), Oxygen Permeation Coefficient (d=0.05 mm)
 1.42e-81.42e-8cm3/(cm s bar), Carbon Dioxide Permeation Coefficient (d=0.05 mm)
 
Chemical PropertiesMetricEnglishComments
Critical Pressure 110 bar82500 torrBurst Pressure; Degussa
 
Mechanical PropertiesMetricEnglishComments
Hardness, Shore D 8181ISO 868
Ball Indentation Hardness 108 MPa15700 psiH30; ISO 2039-1
Tensile Strength at Break >= 50.0 MPa
@Temperature 23.0 - 80.0 °C
>= 7250 psi
@Temperature 73.4 - 176 °F
50 mm/min; ISO 527-1/2
Tensile Strength, Yield 60.0 MPa
@Temperature 23.0 - 80.0 °C
8700 psi
@Temperature 73.4 - 176 °F
50 mm/min; ISO 527-1/2
Elongation at Break >= 150 %>= 150 %50 mm/min; ISO 527-1/2
 >= 50 %
@Temperature 80.0 °C
>= 50 %
@Temperature 176 °F
ISO 527-1/2
Elongation at Yield 9.0 %9.0 %5 mm/min, Outer fiber strain at maximum stress; ISO 178
 8.0 %
@Temperature 23.0 - 80.0 °C
8.0 %
@Temperature 73.4 - 176 °F
50 mm/min; ISO 527-1/2
Tensile Modulus 1.40 GPa203 ksiISO 527-1/2
 1.27 GPa
@Temperature 80.0 °C
184 ksi
@Temperature 176 °F
ISO 527-1/2
Flexural Strength 50.0 MPa7250 psi5 mm/min, at 3.5% Strain; ISO 178
 90.0 MPa13100 psi5 mm/min; ISO 178
Flexural Modulus 1.70 GPa247 ksiISO 178
Charpy Impact Unnotched  NB
@Temperature 0.000 °C
NB
@Temperature 32.0 °F
ISO 179/1eU
 NB
@Temperature -30.0 °C
NB
@Temperature -22.0 °F
ISO 179/1eU
 NB
@Temperature 23.0 °C
NB
@Temperature 73.4 °F
ISO 179/1eU
Charpy Impact, Notched  1.40 J/cm²
@Temperature -30.0 °C
6.66 ft-lb/in²
@Temperature -22.0 °F
ISO 179/1eA
 1.50 J/cm²
@Temperature 0.000 °C
7.14 ft-lb/in²
@Temperature 32.0 °F
ISO 179/1eA
 1.60 J/cm²
@Temperature 23.0 °C
7.61 ft-lb/in²
@Temperature 73.4 °F
ISO 179/1eA
Tensile Creep Modulus, 1 hour 1300 MPa189000 psiISO 899-1
Tensile Creep Modulus, 1000 hours 700 MPa102000 psiISO 899-1
Abrasion 1818Abrasion Resistance, mg/100 rev.; DIN 53754
 
Electrical PropertiesMetricEnglishComments
Volume Resistivity >= 1.00e+17 ohm-cm>= 1.00e+17 ohm-cmIEC 60093
Surface Resistance >= 1.00e+13 ohm>= 1.00e+13 ohmIEC 60093
 >= 1.00e+15 ohm>= 1.00e+15 ohmSpec.; IEC 60093
Dielectric Constant  3.2
@Frequency 1e+6 Hz
3.2
@Frequency 1e+6 Hz
IEC 60250 DIN VDE 0303-Part 4
 3.6
@Frequency 100 Hz
3.6
@Frequency 100 Hz
IEC 60250 DIN VDE 0303-Part 4
Dielectric Strength 27.0 kV/mm686 kV/inK20/P50; IEC 60243-1
Dissipation Factor  0.0115
@Frequency 100 Hz
0.0115
@Frequency 100 Hz
IEC 60250 DIN VDE 0303-Part 4
 0.0325
@Frequency 1e+6 Hz
0.0325
@Frequency 1e+6 Hz
IEC 60250 DIN VDE 0303-Part 4
Comparative Tracking Index 575 V575 VTest Solution A, 100 drops; IEC 60112
 600 V600 VTest Solution A; IEC 60112
 
Thermal PropertiesMetricEnglishComments
CTE, linear 90.0 µm/m-°C
@Temperature 23.0 - 80.0 °C
50.0 µin/in-°F
@Temperature 73.4 - 176 °F
Longitudinal; ISO 11359
CTE, linear, Transverse to Flow 90.0 µm/m-°C
@Temperature 23.0 - 80.0 °C
50.0 µin/in-°F
@Temperature 73.4 - 176 °F
ISO 11359
Specific Heat Capacity 2.49 J/g-°C0.595 BTU/lb-°F
Thermal Conductivity 0.250 W/m-K1.74 BTU-in/hr-ft²-°F
Melting Point 250 °C482 °F10 K/min
Maximum Service Temperature, Air 100 °C212 °FTemperature Index (Criterion: stress and yield); IEC 216
Deflection Temperature at 0.46 MPa (66 psi) 122 °C252 °FISO 75-1/2
Deflection Temperature at 1.8 MPa (264 psi) 105 °C221 °FISO 75-1/2
Vicat Softening Point 130 °C266 °F50N; ISO 306
 138 °C280 °F10N; ISO 306
Glass Transition Temp, Tg 140 °C284 °FTg, 10 K/min
Flammability, UL94  HB
@Thickness 0.800 mm
HB
@Thickness 0.0315 in
 HB
@Thickness 1.60 mm
HB
@Thickness 0.0630 in
Glow Wire Test 850 °C
@Thickness 1.00 mm
1560 °F
@Thickness 0.0394 in
IEC 60695-2-1/0-3
 
Optical PropertiesMetricEnglishComments
Transmission, Visible 90 %90 %transparent; thickness not quantified
 
Descriptive Properties
Carreau-WLF K1559.3
Carreau-WLF K20.00187
Carreau-WLF K30.7486
Carreau-WLF K4300
Carreau-WLF K5176.3
ColorTransparent
Dynamical Behavior Under Load Min 106 cycles(Filter Cup/O-38 bar/160 min-1)
Scratch Resistance32% Turbidity IncreaseDIN 52347

**
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