PLA Basic | Materials | Lucent Additive

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PLA Basic Overview

PLA Basic is a 1.75 mm polylactic acid filament designed for straightforward, high-speed printing. It combines stiffness and strength for general prototyping and production-support applications, with published print speeds up to 250 to 300 mm/s under suitable conditions.

Why PLA Basic

Easy processing and broad equipment compatibility for rapid iteration
Balanced stiffness, strength, toughness, and Z-layer performance
High-speed printing capability for efficient prototype and fixture production
Useful for visual models, fit checks, jigs, fixtures, housings, and low-temperature end-use parts

Product Specifications

Item	Published Value
Filament diameter	1.75 mm
Net filament weight	1 kg
Spool material	ABS with 70 °C temperature resistance
Spool size	200 mm diameter x 67 mm height

Material Properties

Physical and Thermal Properties

Property	Test Method	Published Value
Density	ISO 1183	1.24 g/cm³
Melt index	210 °C at 2.16 kg	23.2 ± 3.5 g/10 min
Melting temperature	DSC at 10 °C/min	160 °C
Glass transition temperature	DSC at 10 °C/min	60 °C
Crystallization temperature	DSC at 10 °C/min	Not reported
Vicat softening temperature	ISO 306 and GB/T 1633	57 °C
Heat deflection at 1.8 MPa	ISO 75	54 °C
Heat deflection at 0.45 MPa	ISO 75	57 °C
Saturated water absorption	25 °C and 55% RH	0.43%

Mechanical Properties

Property	Test Method	Published Value
Young’s modulus X/Y	ISO 527 and GB/T 1040	2,580 ± 220 MPa
Young’s modulus Z	ISO 527 and GB/T 1040	2,060 ± 170 MPa
Tensile strength X/Y	ISO 527 and GB/T 1040	35 ± 4 MPa
Tensile strength Z	ISO 527 and GB/T 1040	31 ± 3 MPa
Elongation at break X/Y	ISO 527 and GB/T 1040	12.2 ± 1.8%
Elongation at break Z	ISO 527 and GB/T 1040	7.5 ± 1.3%
Flexural modulus X/Y	ISO 178 and GB/T 9341	2,750 ± 160 MPa
Flexural modulus Z	ISO 178 and GB/T 9341	2,370 ± 150 MPa
Flexural strength X/Y	ISO 178 and GB/T 9341	76 ± 5 MPa
Flexural strength Z	ISO 178 and GB/T 9341	59 ± 6 MPa
Impact strength X/Y	ISO 179 and GB/T 1043	26.6 ± 2.8 kJ/m²; notched 7.9 ± 1.2 kJ/m²
Impact strength Z	ISO 179 and GB/T 1043	13.8 ± 0.9 kJ/m²

Representative values from Bambu Lab standard specimens. Actual printed-part performance depends on equipment, geometry, build orientation, parameters, conditioning, and service conditions.

Printing Settings

Recommended Printing Settings

Setting	Recommendation
Drying before printing	Forced-air oven 50 °C for 8 h; X1 heatbed 60 to 70 °C for 12 h
Printing and storage humidity	Below 20% RH sealed with desiccant
Nozzle size	0.2, 0.4, 0.6, or 0.8 mm
Nozzle temperature	190 to 230 °C
Bed type	Cool Plate, High Temperature Plate, or Textured PEI Plate
Bed preparation	Glue
Cooling fan	On
Printing speed	Below 300 mm/s
Retraction	0.6 to 1.0 mm at 20 to 40 mm/s
Chamber temperature	25 to 45 °C
Overhang and bridging	55 degree maximum overhang; 30 mm maximum bridge
Support material	Support for PLA

Source Specimen Conditions

Parameter	Source Condition
Nozzle temperature	220 °C
Bed temperature	35 °C
Printing speed	200 mm/s
Infill density	100%
Post-print conditioning	Annealed and dried at 55 °C for 8 h before testing

Other Physical and Chemical Characteristics

Characteristic	Published Information
Composition	PLA
Odor and skin hazards	Odorless; source reports no skin hazard
Chemical stability	Stable under normal storage and handling conditions
Water solubility	Insoluble
Acid and alkali resistance	Not resistant
Organic solvent resistance	Not resistant to some organic solvents
Oil and grease resistance	Resistant to most kinds of oil and grease
Flammability	Flammable; combustion products are water and carbon oxides

Design and Validation Considerations

Keep sustained-use temperatures comfortably below the published 54 to 57 °C heat-deflection and Vicat range unless the final part has been validated.
Account for orientation effects: the source reports lower Z-direction modulus, strength, and elongation than X/Y values.
Dry and store filament below 20% RH with desiccant when consistent processing and surface quality are important.
If annealing, use a controlled forced-air oven with uniform temperature. Bambu Lab suggests 50 to 60 °C for 6 to 12 hours and warns that parts can deform or warp.
Do not use a microwave or household kitchen oven for filament drying or part annealing.

Data Provenance

The numerical values, printing recommendations, and material statements in this sheet are reproduced or summarized from Bambu Filament Technical Data Sheet V3.0 for PLA Basic. The source states that results were generated from standard samples at Bambu Lab and are intended for design reference and comparison. Lucent additive has not independently generated the published material values.

Lucent Additive provides manufacturing expertise and application support; this document does not create a material warranty or replace qualification of the customer’s finished component.