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General Filaments | FAQs

Should I use PLA or PETG for general purpose printing?

Use PLA for easiest printing and great surface finish.

Use PETG if you want more durability and better heat resistance, and you don’t mind slightly more stringing and tuning.

What filament is best for everyday functional parts?

PETG is often the safest everyday functional choice because it’s tougher than PLA and handles moderate heat better. PLA+ also works well for many indoor functional parts.

What nozzle size works best for general purpose filament?

0.4mm is the standard best “do-everything” size. Use 0.6mm for faster printing and stronger walls; use 0.2–0.3mm for fine detail.

Why do SUNLU general filaments have a MOQ of 6KG for PLA, PLA+, PLA+ 2.0, PETG, and ABS?

MOQ is a bulk purchase requirement (often for better pricing and warehouse handling). If you only need one roll, choose the single-spool options on the page instead of MOQ listings.

Which is the best everyday choice on this page: PLA vs PLA+ vs PLA+ 2.0?

PLA: easiest and most beginner-friendly

PLA+: better toughness and layer bonding for general use

PLA+ 2.0: typically positioned as an upgraded PLA+ for users who want better overall performance with similar ease of printing

Should I choose PETG or ABS from the general filament lineup for functional parts that need more durability?

Choose PETG if you want durability with easier printing on an open printer. Choose ABS if you need higher heat resistance and impact performance, and you have (or can use) an enclosure with good ventilation.

Which filament in the general lineup is best for smooth surface finish?

PLA and PLA variants usually produce the cleanest surface finish with minimal tuning. Matte PLA gives a non-gloss look that can hide layer lines.