Sunlu PETG Filament Lavender Purple – PETG 1.75 mm (MPN: PETG LP)

Sunlu PETG Filament Lavender Purple is a 1.75 mm PETG material for FDM/FFF 3D printers that combines mechanical strength with good chemical resistance and reliable layer adhesion. The filament is formulated to produce prints with low warping and a smooth surface finish, suitable for functional parts, prototypes and decorative pieces where toughness and dimensional stability are required.

Advantages

Sunlu PETG offers high impact resistance and strong interlayer bonding, which results in durable, robust prints that maintain shape under mechanical stress. The material resists common sources of print failure such as warping, provides consistent extrusion and yields a pleasant surface appearance while remaining suitable for both indoor and outdoor applications.

Suitable for

• Functional parts subject to mechanical loads
• Prototypes and engineering models
• Household fixtures and accessories
• Outdoor components that require weather resistance
• Decorative prints with a smooth finish

Когда может не подойти

PETG is less suitable when parts require very high-temperature performance above its heat deflection range or when a completely rigid, glass-like stiffness is required (materials like certain nylons or polycarbonates may be preferable). Additionally, PETG can be more prone to stringing than PLA, so printers need tuned retraction and temperature settings for very fine decorative work.

Key specifications

• Material: PETG
• Filament diameter: 1.75 mm
• Color: Lavender Purple
• Density: 1.27 g/cm³
• Vicat softening temperature: 68 °C
• Heat deflection temperature: 68 °C
• Melting temperature: 195 °C
• Melt flow rate: 5.3 g/10 min
• Tensile strength: 53 MPa
• Elongation at break: 17.3%
• Flexural strength: 77 MPa
• Flexural modulus: 2226 MPa
• Impact strength: 2.7 kJ/m

How to use

Load the 1.75 mm Sunlu PETG filament into an FDM/FFF printer prepared for PETG printing. Recommended printing settings typically include a nozzle temperature near the filament melting point (around 195 °C, adjusted per printer and part), a heated bed set close to the Vicat/deflection temperature to improve adhesion, and moderate print speeds. Ensure proper first-layer calibration and tune retraction, temperature and cooling to reduce stringing and achieve consistent surface quality. Store spool in a dry place or sealed with desiccant to avoid moisture uptake.

Что учесть перед покупкой

• Проверьте совместимость диаметра 1.75 мм с вашим принтером
• Учитывайте рабочий температурный диапазон и требования к тепловой устойчивости
• Для длительного хранения храните катушку в сухом месте, чтобы избежать поглощения влаги
• Учтите необходимость настройки ретракции и температуры для минимизации наложений нитей

Usage recommendations

For best results with Sunlu PETG Lavender Purple use a nozzle temperature adjusted around 195 °C, a heated bed near 60–70 °C, reduced part cooling during printing, and calibrated retraction settings. Dry filament before printing if it has been exposed to humidity.