Extrafill HiPS (Polystyrene)


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High impact resistance filament and can be used as support material.

Extrafill HiPS filament (Polystyrene) (High Impact Polystyrene) is a thermoplastic obtained by polymerizing high impact resistance. It is known as "High Impact Polystyrene" and used as support material ABS or PLA impressions, although for the PLA is more recommended the PVA as support material. The filament Extrafill HiPS (Polystyrene) is a material resistant to heat and with physical properties ideal for use in the packaging industry, food, etc.

Although most of its mechanical and physical properties (stiffness, tensile strength and impact resistance, thermal stability, ...) are similar to those of ABS, there is a feature that makes it different to everyone else which is its solubility in D -Limonene, allowing to make unworkable forms a soluble support material and will be realized once the piece in D-Limonene and HIPS immerse disappears, leaving the piece without any support material with a high surface quality.

It is indicated for light and high-quality technical parts (Due to the high resolution printing) material. Extrafill HiPS filament (Polystyrene) is a bit lighter than the ABS. The temperature optimum print is 245 °C. When printed at this temperature it is necessary that the temperature of 90-100 ºC bed is to minimize the warping effect.

Besides the Extrafill HiPS filament has a very good seal so it is ideal for containing liquids without leakage. This property is due to the high thermal inertia of  own Extrafill HiPS which enables a very good adhesion between layers print.

Extrafill HiPS filament is resistant to oils, fats and alkalis but not fuel. As for his post-processing and finishing it can be chrome, paint, glue and sand. HIPS supports evil UV rays, so you long exposure to the sun it discolor and become brittle. If you need a material that resists well UV light rays you must choose the ASA filament. HIPS (Polystyrene) has low electrical conductivity (1014 Ω*cm), which can be used as an electrical insulator. Its properties typically used in high-frequency. As for the softening temperature HIPS it supports up to 88 °C.

Impact strength (KJ/m2) 17
Elongation at break (%) 40
Tensile strength (MPa) 26
Tensile modulus (MPa) 2000
Flexural strength (MPa) 40
Flexural modulus (MPa) 2100
Lightweight Lightweight
Solubility Solubility
Chemical resistance Chemical resistance
Hide color variations (Hide color variations)

It´s a material with properties very similar to those of ABS that printing is not especially difficult to print. Nozzle temperature should be between 230 and 240 °C. As in the case of ABS, the need to use a hot bed at a temperature of about 80-100 °C. Once the printing must wait for the piece cool before removing to prevent any deformation may occur due to the printing temperature. It is also advisable to use BuildTak or Dimafix to prevent warping effect on printing.

General information
Manufacturer Fillamentum (Czech Republic)
Material HiPS (High Impact Polystyrene)
Format Spool of 0.75 kg - Natural, Black, Red, Blue, Metallic Grey
Spool of 2.5 kg - Natural
High Impact Polystyrene 1.05 g/cm3
Diameter of filament 1.75 or 2.85 mm
Diameter tolerance ±0,05 mm
Filament length ±297 m (Ø 1.75 mm-0.75 kg)
±990 m (Ø 1.75 mm-2.5 kg)
±112 m (Ø 2.85 mm-0.75 kg)
±373 m (Ø 2.85 mm-2.5 kg)
Color Natural, Black, Red, Blue, Metallic Grey
RAL/Pantone -
Print settings
Printing temperature 230-250ºC
Print bed temperature 90-105ºC
Chamber temperature Not necessary
Cooling fan Not recommended
Mechanical properties
Izod impact strength (ASTM D256) 180 J/m
Charpy impact strength (ISO 179) 17 kJ/m2
Elongation at break (ISO 527) 40% 
Tensile strength (ISO 527) 26 MPa 
Tensile Modulus (ISO 527) 2000 MPa 
Flexural strength (ISO 178) 40 MPa
Flexural modulus (ISO 178) 2100 MPa
Surface hardness -
Thermal properties
Softening temperature (ISO 306) 89ºC 
Melting temperature -
Specific properties
Transparency  Opaque
Dielectric constant (IEC 250) 2.5
Volumetric resistivity (IEC 93) >1016 Ω cm
Surface resistivity (IEC 93) >1013 Ω
Dielectric strength (IEC 243/1) 155 kV/mm
Additional Information
HS Code 3916.9
Diameter coil (outer) 200 mm (0.75 kg spool)
300 mm (2.5 kg spool)
Diameter coil (inner hole) 55 mm (0.75 kg spool)
53 mm (2.5 kg spool)
Coil Width 50 mm (0.75 kg spool)
100 mm (2.5 kg spool) 

* The typical values detailed in this table should be considered as a reference. Actual values may vary depending on the 3D printer model used, part design and printing conditions. We recommend confirming the results and final properties with own tests. For more information you should consult the technical data sheet of the product.

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