SLA 3D Printing — High-Resolution Prototyping and Functional Parts

Achieve smooth surfaces, intricate details, and excellent accuracy with stereolithography. Perfect for prototypes, models, and end-use components.

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What is SLA 3D Printing?

Stereolithography (SLA) is a resin-based 3D printing process that uses an ultraviolet laser to cure liquid photopolymer layer by layer. It is one of the most accurate and versatile additive manufacturing technologies, capable of producing highly detailed prototypes and functional parts with excellent surface finishes.

High-resolution printing for fine details and smooth surfaces

Excellent dimensional accuracy and tight tolerances

Wide range of functional and aesthetic resin materials

Ideal for prototypes, dental models, and end-use parts

Short lead times for low-volume production

3D Printing Materials

We offer over 100+ 3D Printing materials and a wide range of surface finishes, and we also support customized materials for special projects

Properties	ABS	ABS+CF	ABS+GF	ABS-ESD	ASA	PA6+CF	PA6+GF	PA 12	PAHT-CF	PC/ABS	PC-CF	PEEK+CF	PEEK+GF	PET+CF	PLA CF	PolyCast	PPS	PPS+CF	PPSU	TPU 85A-98A	ULTEM1010	ULTEM™ Filament_AM9085F	PC	PC-FR	PETG	PLA	ABS-FR	FDA	PEEK	PEKK	ABS-M30i	PA 12+CF	PETG+CF
Density g/cm³	1.05	1.06	1.08	1.09	1.1	1.18	1.38	1.01	1.06	1.14	1.22	1.39	1.45	1.29	1.27	1.25	1.35	1.28	1.31	1.18	1.27	1.275	1.19–1.20	1.2	1.25	1.17–1.24	1.18	1.3	1.3	1.29	1.04	1.15 - 1.20	1.27
Tensile strength (MPa)	33.6	X-Y：44.97 ± 0.46 Z：22.30 ± 2.75	36 ± 3	42	43.5	107	85	50	92 ± 7 (MPa, XY)；47 ± 5 (Z)	45	76 ± 3	140 - 180	140 – 180	65	53	41.5	105	85	80	12.0 ± 0.8	95 - 100	XY: 62 / XZ: 80 / ZX: 45	62.7 ± 1.3 (X-Y)	67 ± 4.5 (X-Y)	38.6 ± 0.4 (X–Y) / 28.3 ± 0.9 (Z)	41.3 ± 2.2 (XY) 32.4 ± 1.2 (Z)	43	50	98	76.5-99	36	90 - 110	55 - 70
Bending strength (MPa)	59	75.54 ± 2.01	68 ± 4	65	66.2	157	120	N/A	125 ± 7 (MPa, XY)；61 ± 5 (Z)	68	94 (Horizontal), 130 (Vertical)	136	130	85	86	67.4	160	123	105	30~40	170 - 180	XY: — / XZ: 110	100.4 ± 2.7	96.6 ± 1.3	58.3 ± 0.4 (X–Y) / 55.1 ± 4.9 (Z)	62.0 ± 0.9 (XY)	79	N/A	147	158.1-200	61	120 - 140	70 - 90
Bending modulus (MPa)	2200	3261.89 ± 49.08	2860 ± 130	2250	2000	7500	4300	1440	4 230 ± 210 (MPa, XY)；1 820 ± 170 (Z)	1950	3500 ± 200 GPa (XY), 4200 ± 300 GPa	8300	7625	4300	4800	2125	6300	6080	2350	10~30	3700 - 4000	XY: 2130 / XZ: 2550 / ZX: 2070	2477 ± 159	2518 ± 53	1617 ± 57 (X–Y)	2393 ± 195（XY）	2245	N/A	3612	4276-5220	2300	5000 - 6000	3000 - 4000
Elongation at break (%)	3–10 (typically 5–8%)	X-Y：2.22 ± 0.13 Z：1.43 ± 0.26	6.3 ± 1.2	3	4.3	1.9	4.5	>50	8.4 ± 1.8 %(XY)；4.1 ± 1.2 %(Z)	20	4.6 ± 0.4 (XY), 3.7 ± 0.5 (XZ)	1.7	3~5	2.6	1.5	2.4	3.5	2.1	≥50	>700%	20 - 30	XY: 5.1% / XZ: 5.8% / ZX: 2.3%	3.2 ± 0.4	3.5 ± 0.7	13.1 ± 1.8% (X–Y) / 2.6 ± 0.5% (Z)	5.7 ± 0.8 %（XY） 4.7 ± 1.2 %（Z）	8 – 10	110	9.1	5	15 - 20	3~5	3~5
Recommended Using Temperature (°C)	~105°C (≈96°C unannealed)	~110°C (≈100°C unannealed)	99	85–90°C	90 - 100°C	110°C	194°C	N/A	194 °C	103	114 °C	315°C	250 - 260 ℃	105°C	65°C	65°C	220	210°C	214°C	60~80°C	215°C	175°C	106 °C (HDT)	110°C HDT	75.7 °C (HDT)	54.5 °C	90°C	70°C	152	150°C	95 - 100 ℃	170 - 180 ℃	70 - 80 ℃
Charpy impact strength (kJ/m²)	12.6	7.35	N/A	2.5	3.5	10	8.2	7	57.5 ± 3.4 (XY); 13.3 ± 0.8 (Z)	12	12 ± 1 (Horizontal), 17 ± 2 (Vertical)	5.5	8~12	5.1	2.6	2.6	5.5	5.7	13	20~30	7~10	XY: 10.4 / XZ: 10 / ZX: 3.3	3.4 ± 0.1	11.7 ± 1.6	9.7 ± 2.6 (X–Y) / 2.4 ± 0.5 (Z)	38.9 ± 2.4	10 – 12	5	7.1	6	25 - 35	5~8	6~10
Acetone	Poor	Poor	Poor	Limited	Limited	Not Compatible	Not Compatible	Not Compatible	Not Compatible	Not Compatible	Not Compatible	Excellent	Not Compatible	Moderate	Poor	Poor	Excellent	Excellent	Good	Not compatible	Not Compatible	Poor	Poor	Poor	Poor	Poor	Poor	Poor	Good	Poor	Poor	Poor	Poor
Sodium Hypochlorite 15% (Chlorine Bleach)	Poor	Poor	Poor	Poor	Limited	Limited	Limited	Limited	Limited	Limited	Limited	Excellent	Good	Moderate	Moderate	Moderate	Good	Good	Good	Moderate	Good	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Good	Moderate	Moderate	Moderate	Moderate
Oil	Good	Good	Good	Good	Good	Excellent	Excellent	Excellent	Good	Good	Good	Excellent	Excellent	Good	Moderate	Good	Excellent	Excellent	Excellent	Good	Good	Good	Good	Good	Good	Good	Good	Good	Excellent	Good	Good	Good	Good
Alcohol, Aliphatic	Limited	Limited	Limited	Limited	Limited	Good	Good	Good	Good	Good	Good	Excellent	Excellent	Good	Moderate	Good	Excellent	Excellent	Excellent	Good	Good	Good	Good	Good	Good	Moderate	Good	Good	Good	Good	Good	Good	Good
Weathering resistance	Limited	Moderate	Moderate	Moderate	Excellent	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Excellent	Excellent	Good	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Excellent	Moderate	Moderate	Moderate	Moderate	Poor	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate
Hot water	Moderate	Poor	Moderate	Limited	Moderate	Limited	Limited	Good	Good	Limited	Limited	Excellent	Excellent	Good	Poor	Moderate	Excellent	Good	Excellent	Good	Excellent	Excellent	Good	Good	Moderate	Poor	Moderate	Moderate	Excellent	Good	Poor	Good	Good
Flame Test	Not flame retardant	Not flame retardant	Not flame retardant	Not flame retardant	Not flame retardant	Not Flame Retardant	Not Flame Retardant	Not Flame Retardant	Not Flame Retardant	Flame Retardant	Not Flame Retardant	Flame retardant/ UL 94 V-0	Flame retardant/ UL 94 V-0	Not-Flame Retardant	Not-Flame Retardant	Not-Flame Retardant	Self-Extinguishing/UL94 V-0	N/A	UL94 V-0	HB rating	UL94 V-0	UL94 V-0	Not flame retardant	UL94 V-0	Not flame retardant	Not flame retardant	UL94 V-0 @ 1.5 mm	Not flame retardant	UL94 V-0	UL94 V-0	UL 94 HB	N/A	Not Flame Retardant

Surface Finishes For 3D Prints

Improve durability and performance with a selection of finishes

Anodizing

Polishing

Tumbling

Brushing + Electroplating

Smooth machining

Electroplating

Screen/logo Printing

Sandblasting/Shot Peening

Part marking/Laser engraving

Color Matching/Painting

Heat treatment

Insert, Thread Tapping

Vaporfuse Smoothing

Learn More

From Quote To Delivery

Everything You Need In One Easy-to-use Platform

Our AI-powered online quoting tool delivers prices within seconds and makes order tracking and management effortless. With built-in DFM capabilities, it helps identify design errors early, saving you time and ensuring smoother part production.

Get instant pricing, project lead times, and DFM feedback.

STEP | STP | SLDPRT | STL | DXF | IPT | X_T | X_B | 3DXML | CATPART | PRT | SAT | 3MF | JT files

All uploads are secure and confidential.

No Minimum Quantity | AI-Powered DFM Analysis |Online Order Management | Flexible Lead Time & Shipping Options

“IN3DTEC is a wholly trusted partner. They help us develop new products more efficiently and quickly. High-quality products and competitive prices are also why we recommend them to more people.” Luis Ford at Leica Medical Product Design Team

Excellent 4.9 out of 5

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Mark

Jess Smith

We placed our order for the first time using their online CNC quotation system, and we were pleased with both the price and the quality of the products. Lora was very responsible and provided suggestions for revisions to my drawings. It is a highly professional team that deserves recommendation.

Smith

Gallery Of 3D Prints

How Does SLA 3D Printing Works

SLA 3D printing begins by forming the support structures, followed by the part itself, using an ultraviolet laser to trace each layer on the surface of a liquid photopolymer resin. After a layer is cured, the build platform lowers and a recoating blade spreads a fresh layer of resin. This process is repeated layer by layer until the part is fully built.

Once printing is complete, the part is removed from the build platform and cleaned in a lab using solvents to eliminate any uncured resin. The support structures are then carefully detached, and the part undergoes an additional UV-curing process to ensure optimal strength and stability. Finally, the component is ready for customized surface finishing.