PETG 3D Printing Service | Strong & Flexible Parts

FDM 3D Printing Service

PETG — Tough.
Chemical Resistant.

PETG combines the ease of printing of PLA with the durability and chemical resistance closer to ABS. 72°C HDT, high impact strength, and excellent layer adhesion make it ideal for functional parts, containers, and outdoor-adjacent applications.

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±0.2mm Tolerance

72°C HDT

8 Colours

FDM · PETG

PETG 3D printing service India — tough PETG parts printed by Dwart Industries — 72°C HDT — heat tolerance well above PLA's ~50°C limit

Assorted PETG 3D printed mechanical parts for functional end use — High impact strength — flexes before it breaks, unlike PLA

PETG 3D printed gears, wheels and housings in multiple colours — 8 stock colours — gears, wheels and housings printed to spec

PETG 3D printed brackets and enclosure components with a semi-gloss finish — Excellent layer adhesion — strong Z-axis strength without an enclosure

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2–5 Days Turnaround

300×300×300 mm Max Part Size

0.05 mm Min Layer Height

Pan-India Delivery

About PETG

PETG (Polyethylene Terephthalate Glycol) sits between PLA and ABS in performance — combining PLA's easy printability with mechanical toughness and chemical resistance closer to ABS. With a 72°C heat deflection temperature and high impact strength, PETG handles environments and loads that PLA cannot.

We print your PETG parts on our standard FDM fleet — no enclosure or special preparation required, though we still control bed adhesion and cooling to ensure excellent surface finish. Its 1.27 g/cm³ density and semi-flexible nature give it outstanding layer adhesion, minimising delamination risk in functional parts.

PETG also has excellent chemical resistance to many solvents and moisture, and stronger UV stability than ABS — making it a practical choice for outdoor-adjacent applications, containers, and mechanical parts requiring durability.

Mechanical Parts Gears, brackets, and functional prototypes needing toughness

Containers & Enclosures Storage boxes, cases, and liquid-resistant housings

Outdoor-Adjacent Parts Covered outdoor fixtures with moisture and UV exposure

Snap-Fit Assemblies Impact-resistant snap fits and living hinges

Jigs & Fixtures Chemical-resistant tooling for industrial workshops

Material Properties

Property	XY In-Plane	Z Through-Layer	Standard
Tensile Strength	32 ± 3 MPa	27 ± 2 MPa	ISO 527
Young's Modulus	1800 ± 130 MPa	1600 ± 100 MPa	ISO 527
Breaking Elongation	18.4 ± 2.1 %	6.8 ± 1.0 %	ISO 527
Bending Strength	58 ± 4 MPa	38 ± 3 MPa	ISO 178
Bending Modulus	1720 ± 100 MPa	1490 ± 90 MPa	ISO 178
Impact Strength — Unnotched	43.7 ± 3.1 kJ/m²	8.9 ± 1.3 kJ/m²	ISO 179
Impact Strength — Notched	18.2 ± 1.9 kJ/m²	—	ISO 179

XY = in-plane (along print layers) · Z = through-layer (perpendicular to build direction) · Values are typical; actual results depend on layer height, infill, and geometry.

Property	Value	Test Method
Density	1.27 g/cm³	ISO 1183
Melting Temperature	230 °C	DSC, 10 °C/min
Glass Transition Temperature	80 °C	DSC, 10 °C/min
Vicat Softening Temperature	78 °C	ISO 306
Heat Deflection Temp (1.8 MPa)	72 °C	ISO 75
Heat Deflection Temp (0.45 MPa)	77 °C	ISO 75
Max Continuous Service Temp.	~65 °C	—
Print Temperature	230–260 °C	—
Bed Temperature	70–90 °C	—
Max Print Speed	< 250 mm/s	—
Water Absorption Rate	0.48%	25 °C, 55% RH

Property	Value
Composition	Polyethylene Terephthalate Glycol (PETG)
Origin	Petroleum-based
Odour During Printing	Odourless
Skin Hazard	None
Chemical Stability	Stable; UV resistant
Solubility in Water	Insoluble
Acid Resistance	Resistant
Alkali Resistance	Resistant
Oil & Grease Resistance	Good
Food Contact Safe	Yes, when printed and post-processed appropriately

Performance Ratings

Impact Resistance9/10

43.7 kJ/m² unnotched — highest among common FDM materials

Chemical Resistance8/10

Resists acids, alkalis, oils and greases

Ease of Printing9/10

No enclosure needed; minimal warping

Heat Resistance6/10

72°C HDT — better than PLA, below ABS/PC

Layer Adhesion9/10

Excellent Z-axis strength, low delamination risk

Surface Finish7/10

Semi-gloss finish, occasional stringing to manage

Available Colours

White

Black

Red

Blue

Yellow

Green

Orange

Clear

✦ 8 stock colours available. All colours are confirmed stock. Contact us for custom colour requirements on bulk orders.

Design Guidelines for PETG

Wall Thickness

Min 1.2 mm

Aim for 2–3 mm on structural parts

Overhangs

Max 50°

Slightly better overhang tolerance than PLA

Fit Clearance

0.2–0.4 mm

For mating parts and snap-fits

Min Hole Size

2 mm dia.

Smaller holes may partially close

Text / Emboss

Min 0.8 mm

Raised text: 0.8 mm tall, 1.5 mm wide

Tolerance

±0.2 mm

Typical achieved across all geometries

Part Orientation

Load-aligned

Align layers with primary stress direction

Infill Options

5–100%

Gyroid pattern for optimal strength/weight

Post-Processing

Sand + Polish

400–2000 grit for glossy finish; no acetone

Not sure if PETG is right for your application?

For rigid, high-detail display parts, PLA is easier to finish. For higher heat resistance, ABS or Hyper ABS perform better. For maximum stiffness and strength, PA6-CF is our top engineering material.

Common Applications

Mechanical Parts

Containers & Enclosures

Outdoor-Adjacent Parts

Snap-Fit Assemblies

Jigs & Fixtures

Food-Contact Items

Protective Housings

Bottle & Cap Prototypes

Functional Prototypes

Compare Similar Materials

PETG

You are here Toughness + easy printing

PLA

Easiest, best surface finish Best all-rounder

ABS

Higher heat resistance ↑ Heat resistance

PETG-CF

Stiffer, carbon fibre look ↑ Structural stiffness

Frequently Asked Questions

PETG is ideal for functional parts that need to survive impact, moisture, or chemical exposure — mechanical components, containers, snap-fit assemblies, and outdoor-adjacent fixtures. It's a strong middle ground between PLA's ease of printing and ABS's engineering performance.

PETG prints almost as easily as PLA (no enclosure needed) while offering significantly higher impact strength (43.7 kJ/m² vs PLA's typical 8-16 kJ/m²) and heat resistance (72°C vs ~50°C for PLA). Compared to ABS, PETG has better chemical and UV resistance and doesn't require an enclosure, though ABS still has a slight edge in heat resistance (84°C) and post-processing options like acetone smoothing.

PETG raw material is widely used in food packaging (it's the same base polymer as many plastic bottles). Printed parts can be considered food-contact-safe when printed on clean, dedicated nozzles and post-processed appropriately, though the layered structure of FDM prints means they are harder to fully sanitise than injection-moulded parts. We recommend a food-safe coating for direct, repeated food contact.

No — PETG has significantly lower thermal shrinkage than ABS, so it prints reliably without an enclosure on our standard FDM machines. The main print challenge with PETG is stringing (fine wisps of plastic between parts) and slight over-adhesion to the bed, both of which we control through calibrated retraction settings and print surface preparation.

PETG has good UV resistance and low water absorption (0.48%), making it suitable for covered or semi-outdoor applications. For parts requiring maximum UV stability and long-term outdoor exposure in direct sunlight, we recommend ASA instead, which is specifically engineered for weather resistance.

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