Drying Guide

Why PETG Needs Drying Before Long Prints

Moisture can increase PETG stringing, popping and surface defects during long prints.

Key Points

• Check for stringing, bubbles, popping sounds and rough surfaces.
• Use 60–65°C for 4–6 hours as a typical starting range when drying is required.
• Keep PETG sealed with fresh desiccant after drying.
• Validate dryer accuracy and spool temperature limits before use.

Practical Decision Process

Begin with the part requirement and the target printer. Record the filament condition, spool history, nozzle, build surface, temperature profile and expected production duration. Change one variable at a time so the result can be compared rather than guessed.

Drying recommendations are starting ranges, not universal certification values. Follow the product TDS, dryer instructions and spool temperature limits. Printer configuration, ambient humidity and print duration affect the final result.

Wholesale and Production Review

For a trial or wholesale program, define the material, quantity, destination, printer type and application before selecting colors. Confirm packaging, storage, technical documents and repeat-order requirements before scaling from sample evaluation to regular supply.

Related Material Routes