What temperature should I print Polycarbonate on the Bambu Lab H2D?

Start at 280°C for the hotend and 110°C for the bed, then run a temperature tower across 270–300°C to dial in your exact filament brand.

What print speed works for Polycarbonate on this printer?

Around 110 mm/s is a safe starting point on the Bambu Lab H2D. It can go faster once the profile is tuned, but start conservative for clean walls.

What retraction should I use?

Use about 1 mm of retraction (direct drive needs very little). If you see stringing, raise retraction speed before distance and dry the filament.

Do I need an enclosure for Polycarbonate on the Bambu Lab H2D?

Yes — Polycarbonate needs a warm, enclosed chamber, and the Bambu Lab H2D is enclosed, so you are ready to go.

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Polycarbonate settings for the Bambu Lab H2D

Great match

⚡ Quick answer: Print Polycarbonate on the Bambu Lab H2D at 280°C hotend, 110°C bed, 110 mm/s, 0% part-cooling fan and 1 mm retraction. Run a temperature tower to fine-tune your exact spool.

These are tuned starting settings for printing Polycarbonate on the Bambu Lab H2D. The Bambu Lab H2D has a direct-drive extruder with an all-metal hotend, so we set the hotend to 280°C and the bed to 110°C. Polycarbonate is one of the strongest, most heat-resistant desktop filaments — and one of the hardest to print.

280°C

Hotend

110°C

Bed

110 mm/s

Speed

Part fan

Recommended Polycarbonate profile

Hotend temperature	280°C (tower 270–300°C)
Bed temperature	110°C
Print speed	110 mm/s
Retraction	1 mm (direct drive)
Part cooling fan	0%
Bed adhesion	Glue stick; PC-specific sheet or garolite.
Nozzle	Hardened 0.4 mm
Difficulty	Advanced

💡 Best uses for Polycarbonate: high-strength, heat-resistant, near-transparent parts.

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Troubleshooting Polycarbonate on the Bambu Lab H2D

Problem	Fix
Stringing or fine hairs	Dry Polycarbonate before printing, drop the hotend a few degrees below 280°C, and raise retraction toward 1.4 mm. Damp filament is the No. 1 cause of stringing.
Poor first-layer adhesion	Glue stick; PC-specific sheet or garolite. Re-level the bed, set a slightly squished first layer, and wipe the sheet with IPA so it is grease-free.
Blobs, zits or rough walls	Slow the outer wall, enable coasting/wipe, and keep retraction near 1 mm. Keep the part-cooling fan low so layers bond and warping stays down.

FAQ

What temperature should I print Polycarbonate on the Bambu Lab H2D?: Start at 280°C for the hotend and 110°C for the bed, then run a temperature tower across 270–300°C to dial in your exact filament brand.
What print speed works for Polycarbonate on this printer?: Around 110 mm/s is a safe starting point on the Bambu Lab H2D. It can go faster once the profile is tuned, but start conservative for clean walls.
What retraction should I use?: Use about 1 mm of retraction (direct drive needs very little). If you see stringing, raise retraction speed before distance and dry the filament.
Do I need an enclosure for Polycarbonate on the Bambu Lab H2D?: Yes — Polycarbonate needs a warm, enclosed chamber, and the Bambu Lab H2D is enclosed, so you are ready to go.

Sources & how we tuned this

These settings are community-tested starting points, cross-checked against manufacturer guidance and trusted material references:

Last verified: 2026-07-17. Always run a temperature tower and a small calibration print for your exact spool.