What changed
Bambu Lab brought PETG Basic back on March 27, 2026 with a reformulated compound, and over the following months it has become the sole PETG option in the store as PETG HF sells through. The new formula targets the two most common PETG complaints: moisture sensitivity and stringing. Bambu says the lower moisture sensitivity produces smoother surfaces and crisper detail, and that the material now reaches PLA-level strength while keeping the toughness that makes PETG a functional-part staple.
The spec sheet backs up the strength claim. Bambu rates the reformulated PETG Basic at 75 MPa bending strength in the XY plane against 64 MPa for PETG HF, 56 MPa layer strength in Z against 48 MPa, and 34.2 kJ/m2 impact toughness against 31.5 kJ/m2. Those bending and layer numbers land within a few points of PLA Basic, while the toughness figure runs well above it. In short, PETG Basic is now the stronger material on paper than the HF grade it replaces.
What this means for buyers
If you print functional PETG on Bambu hardware, PETG Basic is the official path forward and it is mechanically stronger than PETG HF was. Dry it before use, since the formula is less moisture-sensitive but not moisture-proof, and drop your hotend a few degrees from your old HF profile. If your workflow genuinely depends on PETG flowing clean above 350 mm/s, this is not a like-for-like replacement, and a third-party high-flow PETG is the closer match.
Where it fits against PETG HF
PETG HF earned its place by flowing cleanly at 300 mm/s and above, which is exactly what Bambu's fast printers were built to exploit. PETG Basic does not fully match that behavior at the top of the speed range, especially past 350 mm/s. Under roughly 250 mm/s, where most everyday functional printing actually happens, the reformulated Basic performs well and its added strength is a real gain. Bambu's own profiles also run it a touch cooler than HF, typically in the 240 to 245 C range rather than 245 to 250 C, so anyone porting an old HF profile should retune temperature and retraction rather than assume a clean carryover.
This is the same story we covered when Bambu quietly dropped PETG HF, now with the successor confirmed and shipping. Buyers who built high-speed PETG workflows around HF get a stronger everyday material in return, but they trade away the very top of the speed envelope. If that trade does not work for you, Polymaker's high-flow PETG and Siraya Tech's PETG HF line remain AMS-compatible options tuned for speed.
What it costs
PETG Basic lists at $20 for a refill or $23 for a filament-with-spool unit, in seven colors: red, black, white, grey, blue, brown, and yellow. Bulk pricing brings it down sharply, to $12.99 per refill or $14.94 per spooled unit at ten or more, with tiered discounts starting at four units. That puts a well-stocked buyer near the going rate for budget PETG while staying inside the Bambu ecosystem.
Whether that is a good deal depends on where third-party PETG sits this month. The live PETG listings on the tracker show current pricing across every brand we monitor, and our price-per-kg guide explains how to compare refills, spools, and multipacks on an even footing. For the technical side of what PETG can and cannot do, the PETG guide covers material behavior in depth.