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Master Bond adhesives

Selenis SELFY MC 912 Copolyester for Tooth Brushes
Categories: Polymer; Thermoplastic; Polyester, TP

Material Notes: The Selenis Selfy MC 912 copolyester has been specifically developed for the production of toothbrushes. Excellent optical properties such as clarity and gloss make Selenis Selfy MC 912 the ideal choice when product and shelf appeal are essential. The mechanical properties and good chemical resistance of Selenis Selfy MC 912 allow toothbrushes to withstand the impact of the bristling process and toothpaste ingredients, granting end-users the expected durability. Toothbrushes produced with Selenis Selfy MC 912 may be colored and decorated with masterbatches and co-molded with other polymers.

Information provided by Selenis.

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
Bulk Density 0.730 g/cc0.0264 lb/in³
Density 1.28 g/cc0.0462 lb/in³ASTM D792
Water Absorption <= 0.12 %<= 0.12 %ASTM D570
Viscosity Test 70 - 74 cm³/g0.70 - 0.74 dl/gIntrinsic; ISO 1628-5
Linear Mold Shrinkage 0.0020 - 0.0050 cm/cm0.0020 - 0.0050 in/in
ASTM Color <= 1.0<= 1.0b*; ASTM D6290
 >= 64>= 64L*; ASTM D6290
 
Mechanical PropertiesMetricEnglishComments
Hardness, Shore D 7777ASTM D2240
Tensile Strength 47.3 MPa6860 psi(σm); ISO 527 -1/- 2
Tensile Strength, Yield 47.3 MPa6860 psi(σy); ISO 527 -1/- 2
Elongation at Break 76.7 %76.7 %Nominal, (εtb); ISO 527 -1/- 2
Elongation at Yield 4.2 %4.2 %(εm); ISO 527 -1/- 2
 4.2 %4.2 %(εy); ISO 527 -1/- 2
Flexural Strength 60.5 MPa8770 psiISO 178
Flexural Modulus 1.916 GPa277.9 ksiISO 178
Izod Impact, Notched (ISO)  5.40 kJ/m²
@Temperature -30.0 °C
2.57 ft-lb/in²
@Temperature -22.0 °F
ISO 180/A
 5.90 kJ/m²
@Temperature 0.000 °C
2.81 ft-lb/in²
@Temperature 32.0 °F
ISO 180/A
 6.50 kJ/m²
@Temperature 23.0 °C
3.09 ft-lb/in²
@Temperature 73.4 °F
50% RH; ISO 180/A
Izod Impact, Unnotched (ISO)  NB
@Temperature -30.0 °C
NB
@Temperature -22.0 °F
ISO 180/A
 NB
@Temperature 0.000 °C
NB
@Temperature 32.0 °F
ISO 180/A
 NB
@Temperature 23.0 °C
NB
@Temperature 73.4 °F
50% RH; ISO 180/A
Puncture Energy 40.4 J29.8 ft-lbImpact Behavior, Energy Maximum Load; ISO 6603-2/3.3 m/s
 
Thermal PropertiesMetricEnglishComments
Vicat Softening Point 79.8 °C176 °FISO 306/A50
 
Optical PropertiesMetricEnglishComments
Haze <= 1.0 %
@Thickness 2.00 mm
<= 1.0 %
@Thickness 0.0787 in
ASTM D1003
Gloss 166 %166 %60º; ASTM D2457
Transmission, Visible  83 %
@Thickness 5.00 - 6.00 mm,
Wavelength 400 nm
83 %
@Thickness 0.197 - 0.236 in,
Wavelength 400 nm
Disk
 85 %
@Thickness 4.00 mm,
Wavelength 400 nm
85 %
@Thickness 0.157 in,
Wavelength 400 nm
Disk
 86 %
@Thickness 2.00 - 3.00 mm,
Wavelength 400 nm
86 %
@Thickness 0.0787 - 0.118 in,
Wavelength 400 nm
Disk
 88 %
@Thickness 1.00 mm,
Wavelength 400 nm
88 %
@Thickness 0.0394 in,
Wavelength 400 nm
Disk
 88 %
@Thickness 4.00 - 6.00 mm,
Wavelength 440 - 660 nm
88 %
@Thickness 0.157 - 0.236 in,
Wavelength 440 - 660 nm
Disk
 89 %
@Thickness 1.00 - 3.00 mm,
Wavelength 440 - 660 nm
89 %
@Thickness 0.0394 - 0.118 in,
Wavelength 440 - 660 nm
Disk
 89 %
@Thickness 1.00 - 6.00 mm,
Wavelength 660 - 740 nm
89 %
@Thickness 0.0394 - 0.236 in,
Wavelength 660 - 740 nm
Disk
UV Transmittance  70 %
@Thickness 6.00 mm,
Wavelength 370 nm
70 %
@Thickness 0.236 in,
Wavelength 370 nm
Disk
 71 %
@Thickness 5.00 mm,
Wavelength 370 nm
71 %
@Thickness 0.197 in,
Wavelength 370 nm
Disk
 75 %
@Thickness 4.00 mm,
Wavelength 370 nm
75 %
@Thickness 0.157 in,
Wavelength 370 nm
Disk
 79 %
@Thickness 3.00 mm,
Wavelength 370 nm
79 %
@Thickness 0.118 in,
Wavelength 370 nm
Disk
 81 %
@Thickness 2.00 mm,
Wavelength 370 nm
81 %
@Thickness 0.0787 in,
Wavelength 370 nm
Disk
 85 %
@Thickness 1.00 mm,
Wavelength 370 nm
85 %
@Thickness 0.0394 in,
Wavelength 370 nm
Disk
 
Processing PropertiesMetricEnglishComments
Melt Temperature 180 - 250 °C356 - 482 °F
Drying Temperature <= 70.0 °C<= 158 °Fto avoid chips sticking together in dryer hopper
 65.0 °C
@Time 21600 - 28800 sec
149 °F
@Time 6.00 - 8.00 hour
Moisture Content <= 0.0040 %<= 0.0040 %dried
Dew Point -40.0 °C-40.0 °F
 
Descriptive Properties
Particle size320 ± 50 mg/20 chips
Pellet ShapeCylindrical

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PSELE938 / 243436

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