Recommendations and general Information

General information about our products

All the products of GD Filament are manufactured in Bulgaria, giving special thanks to Mr. Necdet Abi for the help and know-how, which he shared unreservedly with us. All products are manufactured from the highest grade polymers available on the market in Europe and the USA.

PLA Max is a relatively new material on the stage of the PLA filaments. Its most interesting quality, compared to the standard PLA is its much greater strength.

ABS + is also an interesting product. In this case, we are able to achieve the lack of the ABS-specific filaments odor and this enables it to work on an open-ended printer. There is not any smell while printing.

Recommended conditions for working with filaments of GD Filament

ABS +

  • Density: 1,04 G/m3
  • Dielectric constant: min. 15,7kV; max. 34kV
  • Nozzle temperature: 240 °C-260 °C
  • Bed temperature: 80 °C-100 °C
  • Bed: All Types
  • Blower: No
  • Odorless-can also be worked on open-ended printers
    • Note: One option (specifically for closed-type printers-like Ultimaker) is the use of HIPS as a support material, which is dissolved after printing in D-Limonene.

ASA

  • Density: 1,07 G/m3
  • Dielectric constant: min. 40kV; max. 105kV
  • Nozzle temperature: 220 °C-250 °C
  • Bed temperature: 80 °C-100 °C
  • Bed: All Types
  • Blower: No

FLEX (TPU)

  • Density: 1.19 G/m3
  • Dielectric constant: We don’t have data
  • Nozzle temperature: 220 °C-250 °C
  • Bed temperature: 60 °C-70 °C
  • Bed: All Types
  • Blower: Yes
  • Extruder – direct drive or bowden.
  • Print velocity: You should experiment with your printer, but 30-35 mm/s is a mean good start.

PA12

  • Density: 1,01 G/m3
  • Dielectric constant: min. 24kV; max. 55kV
  • Nozzle temperature: 240 °C-260 °C
  • Bed temperature: 90 °C-100 °C
  • Bed: Epoxy
  • Blower: No

PC\ABS

  • Density: 1,10 G/m3
  • Dielectric constant: min. 16kV; max. 35kV
  • Nozzle temperature: 250 °C-260 °C
  • Bed temperature: 100 °C-110 °C
  • Bed: All Types
  • Blower: No

PETG

PETG is a material with a lot of advantages but with a lot of special features while printing it. It’s specific for it a high aptitude to absorb water and this is why the material should be keep in closed (zip-lock) bags with a bag of desicator (moister absorber). Has ability to form threads. When you have a higher moister or long-term storage we recommend to dry it within an ordinary oven at 65°C for 7 hours. Keep it to cool down in the oven not opening the oven and put the PETG roll immediately in a bag with a desicator.

  • Density: 1,27 G/m3
  • Dielectric constant: min. 45kV; max. 45kV
  • Nozzle temperature: 240 °C-260 °C
  • Bed temperature: 80°С – 90 °С
  • Bed: all types (recommended PEI)
  • Fan: yes (10-20%) if you have bridges.
  • Pay atention on your presets of the print and travel speed.

PLA

  • Density: 1,24 G/m3
  • Dielectric constant: We don’t have data
  • Nozzle temperature: 180 °C-220 °C
  • Bed temperature: 50 °C-60 °C
  • Bed: All Types
  • Blower: Yes

WOOD

  • Density: 1,28 G/m3
  • Dielectric constant: We don’t have data
  • Nozzle temperature: 180 °C-220 °C
  • Bed temperature: 50 °C-60 °C
  • Bed: All Types
  • Blower: Yes

    SILK

    • Density: 1,24 G/m3
    • Dielectric constant: We don’t have data
    • Nozzle temperature: 180 °C-220 °C
    • Bed temperature: 50 °C-60 °C
    • Bed: All Types
    • Blower: Yes

 

HIPS

    • Плътност: 1,02 G/m3
    • Dielectric constant: We don’t have data
    • Nozzle temperature: 230°С – 145°С
    • Bed temperature: 100°С – 115 °С
    • Bed: All Types (PEI prefered)
    • Blower: No
    • We recommend using a printer closed box.

For PLA max, SILK and WOOD, bed: glass\mirror, we recommend 10-15% water suspension of C200 (polyvinyl acetate glue) . Add a thin layer with a brush over the cold bed, heat it and let it few minutes to dry. If, after cooling, your workpiece can not peel off – just soak the water/mirror and leave it for a few minutes. Water will penetrate under the workpiece and will dissolve the C200 – suspension. This suspension is very durable and with a single application can be worked for more than a month. Също така препоръчваме да се работи при температурата на леглото по-висока с 5°С.

За ABS+, PC/ABS, HIPS – легло: стъкло\огледало, препоръчваме 10-15% ацетонова суспензия на ABS+. Препоръчваме също да се нанася с четка в тънък слой върху предваритено загрятото легло. Също така може да се напръска, при наличие на удобна за Вас пръскалка (внимавайте, защото ацетонът може да разтвори някои пластмасови пръскалки).

A good universal solution is to use dry office glue, added directly over the bed. As the glue itself adds a thin layer and this reflects to the perfect first layer view – you could process it with isopropyl alcohol and almost solve the office glue.

For PA12 we recommend to use a special epoxy bed (Garolite) or similar.

A good universal solution is the use a PEI bed.

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