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Ensinger PEI

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Goodfellow Cellulose Acetate
Categories: Polymer; Film; Thermoplastic; Cellulosic; Cellulose Acetate, Molded

Material Notes: An amorphous, transparent and colorless, glossy and reasonably hard thermoplastic with good clarity but only moderate UV stability and chemical resistance. Its high moisture absorption can lead to the normal difficulties of dimensional changes.

Applications include spectacle frames, tool and brush handles and packaging including stiff thin-walled tubes for "display packaging". Films are widely used for graphics purposes and are available from stock in selected thicknesses (and other thicknesses as special orders).

Brand names include Clarifoil, Dexel, and Tenite Acetate.

Information provided by Goodfellow.

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 PropertiesOriginal ValueComments
Density 1.30 g/cc
Water Absorption 1.9 - 7.0 %
@Time 86400 sec
Oxygen Transmission 52.0 cc-mil/100 in²-24hr-atm
@Temperature 25.0 °C
Film
Nitrogen Transmission 17.5 cc-mm/m²-24hr-atm
@Temperature 25.0 °C
Film
Carbon Dioxide Transmission 1480 cc-mm/m²-24hr-atm
@Temperature 25.0 °C
Film
 
Mechanical PropertiesOriginal ValueComments
Tensile Strength 12.0 - 110 MPa
Elongation at Break 15 - 55 %Film
Tensile Modulus 1.00 - 4.00 GPa
Izod Impact, Notched 100 - 450 J/m
Tear Strength 0.180 - 0.360 kg(f)/cmFilm
Taber Abrasion, mg/1000 Cycles 65
Heat Seal Strength Initiation Temperature 176 - 232 °CFilm
 
Electrical PropertiesOriginal ValueComments
Dielectric Constant 5.0
@Frequency 1e+6 Hz
Dielectric Strength 11.0 kV/mm
Dissipation Factor 0.0038
@Frequency 1e+6 Hz
Film
 0.060
@Frequency 1000 Hz
 
Thermal PropertiesOriginal ValueComments
CTE, linear 80.0 - 180 µm/m-°C
Specific Heat Capacity 1.20 - 1.90 J/g-°C
Thermal Conductivity 0.160 - 0.360 W/m-K
Maximum Service Temperature, Air 55.0 - 95.0 °C
Deflection Temperature at 0.46 MPa (66 psi) 52.0 - 105 °C
Deflection Temperature at 1.8 MPa (264 psi) 48.0 - 86.0 °C
Minimum Service Temperature, Air -20.0 °C
Flammability, UL94 HB
Oxygen Index 19 %
 
Optical PropertiesOriginal ValueComments
Refractive Index 1.49
 
Descriptive Properties
Radiation resistanceFair
UV resistanceFair

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PGOODF247 / 254986

Proto3000 – 3D Engineering Solutions

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