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Smartfil PETG (1.75mm or 2,85mm) is a thermoplastic copolyester filament (Polyethylene terephthalate glycol copolyester extrusion). Unlike PET filaments doesn´t crystallize when heated, so it has high hardness and flexibility in addition to its known chemical resistance and transparency.
PETG filaments are a modified version of the simplest PET; it is a non-toxic thermoplastic polymer used in the manufacture of clothing and vessel products. The PETG filaments are gaining popularity because of its low melting temperature and durability, so it is a good alternative to any ABS or Nylon.
PETG Smartfil (1.75mm or 2,85mm) filament has a 91% transparency similar to glass and very resistant natural state. It is also easy to print filament that has low shrinkage and does not require warm bed.
PETG Smartfil (1.75mm or 2,85mm) filament is accepted for use in contact with food products use (FDA) and also does not emit odors to be printed. The softening temperature or temperature resistance of PETG is 85 ºC, this is intermediate between the PLA and ABS.
The parts obtained with Smartfil PETG filament have similar mechanical properties to ABS both flexural and tensile or impact, but with the ease of PLA similar to printing. Moreover, the PETG Smartfil filament has a high resistance to chemicals and can get a print resolution with a wide range of printing temperatures.
Most companies perform engineering prototypes PLA or ABS to see if the "form and fitness design" are correct. However many times you want to make prototypes and to perform tests of strength (the main limiting factor is usually the tensile strength) and useful, but the basic filaments not permit; hence the PETG Smartfil filament has a reason for being.
The PETG filament was released as a new material in 3D printing offers greater tensile strength and offers a fair amount of elongation for functional prototypes.