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Standard Resin is the most fundamental and widely used photopolymer material in vat photopolymerization 3D printing (SLA/DLP/LCD). It is composed of acrylate/methacrylate monomers and oligomers combined with photoinitiators. Under 405nm UV light, the photoinitiators decompose to generate free radicals, triggering monomer polymerization and crosslinking that transforms the liquid resin into a solid within seconds.
All three mainstream vat photopolymerization technologies — SLA (laser scanning), DLP (digital light projection) and LCD/MSL (LED array through LCD mask) — use standard resin as their foundational material. Standard resin achieves high-precision forming at 25-100 micron layer heights, delivering smooth surfaces, excellent detail reproduction and relatively low cost, making it the preferred base material for prototyping, figurines, education and jewelry design.
Built on acrylate/methacrylate monomers and oligomers with photoinitiators, achieving rapid crosslinking and curing under 405nm UV light via free-radical polymerization.
Compatible with SLA (laser scanning), DLP (digital light projection) and LCD/MSL (LED through LCD mask) — all three mainstream vat photopolymerization technologies.
25-100 micron layer heights with strong detail reproduction, sharp edges and smooth surfaces — far exceeding FDM filament printing precision.
More affordable than engineering and specialty resins, suitable for batch prototyping and desktop-level vat photopolymerization printing.
25-100 micron layer heights with detail reproduction far exceeding FDM filament printing, capable of rendering sharp edges and fine features.
Photocured surfaces are smooth and fine, achieving a polished appearance without complex post-processing — ideal for display models.
Accurately reproduces fine textures, text and complex geometries, meeting the precision requirements of figurines and jewelry design.
More affordable than engineering and specialty resins, suitable for batch prototyping and everyday printing.
Simply pour liquid resin into the vat — compatible with desktop LCD/DLP printers and beginner-friendly.
The eSUN standard resin series offers 27 color options, meeting diverse color requirements from figurines to educational and creative projects.
From prototyping to figurines, educational projects, jewelry design and architectural models — covering diverse application scenarios.
eSUN has deep expertise in photopolymer resins, continuously advancing from the foundational standard resin to derived product lines including high-precision, low-odor and high-toughness formulations, delivering precisely matched material solutions for diverse scenarios.
10-100 micron layer heights with strong detail reproduction, rendering sharp edges and fine features.
Photocured surfaces are smooth and fine, achieving quality appearance without complex post-processing.
Affordable pricing, suitable for batch prototyping and desktop printing scenarios.
Compatible with mainstream LCD/DLP vat photopolymerization equipment, offering flexible device choices.
eSUN offers 27 colors to meet diverse color requirements.
| Feature | Description | Impact |
|---|---|---|
| High brittleness | Limited impact strength and elongation at break, prone to cracking under force | Not suitable for load-bearing or functional testing parts |
| Poor heat resistance | Low heat deflection temperature, prone to softening and deformation at high temperatures | Not suitable for high-temperature applications |
| Weak weather resistance | Prone to yellowing, aging and performance degradation under prolonged UV exposure | Not suitable for long-term outdoor use |
| Post-curing required | UV post-curing is required after printing to reach final strength | Adds post-processing steps and time cost |
The eSUN standard resin series covers three product lines — high-precision general, macaron low-odor and general toughness — meeting diverse requirements from precision figurines to functional verification.
S100 is eSUN's high-precision general resin, featuring high rigidity, fast printing speed and easy printability. It supports thin walls and fine supports with high forming precision and smooth, fine surfaces. Compatible with most LCD and DLP printers in the 405nm wavelength range.
High precision, high rigidity, high forming speed
Most LCD and DLP printers in the 405nm wavelength range
Mechanical parts, molds, toys, automotive, electronic and electrical components
S200 is eSUN's high-precision general resin, featuring macaron colors and a low-odor formulation with high rigidity, fast printing speed, easy printability, and support for thin walls and fine supports. Compatible with 405nm LCD printers.
Easy printing, high rigidity, high precision, low odor, macaron colors, broad compatibility, high cost-effectiveness
405nm LCD printers
Educational applications, cultural creative projects, footwear manufacturing
S300 is eSUN's general resin, formulated with an optimized recipe on the standard resin foundation — delivering good mechanical performance, high toughness and impact resistance, suitable for general printing scenarios with moderate toughness requirements.
Good mechanical performance, high toughness, impact resistance
405nm LCD/DLP printers
Functional verification models, prototyping, general printing
| Industry | Typical Applications | Material Value |
|---|---|---|
| Prototyping & R&D | Early-stage rapid prototype verification, appearance and structure modeling, design iteration and presentation. | High precision and smooth surfaces shorten R&D cycles, ready for design review and client presentation. |
| Figurines & Creative Products | Anime figurine mastering, miniature models, designer toys, personalized custom crafts. | Strong detail reproduction with 27 color options meeting diverse color needs; smooth surfaces without complex post-processing. |
| Education & Makers | K-12 STEAM education, university maker training, individual creative model printing. | Easy operation and affordable cost; S200 low-odor formulation suitable for classroom and desktop environments. |
| Jewelry Design | Jewelry prototype mastering, custom design verification, casting master patterns. | High-precision reproduction of fine ornamentation and complex geometries, meeting jewelry industry tolerance requirements. |
| Architectural Models | Building models, floor plans, landscape models, structural display samples. | High detail reproduction and smooth surfaces, meeting architectural presentation and reporting requirements. |
High rigidity and precision, suitable for rapid prototyping of mechanical parts and molds, compatible with most LCD and DLP printers.
Macaron low-odor formulation, ideal for educational applications and cultural creative projects, improving the experience in classroom and desktop environments.
Good mechanical performance and high toughness, suitable for functional verification models and prototyping with moderate toughness requirements.
Compared with: Water-Washable Resin, High-Temperature Resin
| Dimension | Standard Resin | Water-Washable Resin | High-Temperature Resin |
|---|---|---|---|
| Forming Precision & Surface Quality | 25-100 micron layer height, smooth and fine surfaces, excellent detail | Precision comparable to standard resin, similar surface quality | Good precision, but surface slightly inferior to standard resin |
| Mechanical Performance & Toughness | High brittleness, limited impact strength, not suitable for load-bearing parts | Mechanical properties similar to standard resin, comparable brittleness | High rigidity and creep resistance, but toughness also limited |
| Post-Processing Convenience | Requires high-concentration alcohol (IPA) washing + UV post-curing | Can be washed directly with water, no alcohol needed — most convenient post-processing | Requires alcohol washing + UV post-curing, same workflow as standard resin |
| Heat Resistance | Low heat deflection temperature, prone to softening at high temperatures | Heat resistance similar to standard resin, not high-temperature resistant | High heat deflection temperature (200°C+), specifically designed for high-temperature applications |
| Cost Positioning | Moderate price, high cost-effectiveness, suitable for batch prototyping | Slightly higher price than standard resin, low post-processing cost | Higher price, targeting professional engineering applications |
| Application Scenarios | Prototyping, figurines, education, jewelry, architectural models | Education, desktop, alcohol-free post-processing scenarios | Injection molds, high-temperature verification, hot air duct prototypes |
| Parameter / Action | Recommended | Notes |
|---|---|---|
| Layer Height | 0.025 - 0.100 mm | Higher precision requires smaller layer height and longer print time |
| Normal Exposure Time | 6 - 15 seconds | Fine-tune based on resin color and device power |
| Bottom Exposure Time | 20 - 40 seconds | Ensures first layers firmly adhere to the build platform |
| Bottom Exposure Layers | 4 - 8 layers | Adjust based on platform size and model base area |
| Ambient Temperature | 20 - 30°C | Low temperatures increase resin viscosity, affecting forming |
| Washing Method | High-concentration alcohol (IPA ≥ 90%) soak for 3 - 5 minutes | Ultrasonic cleaning yields better results; air-dry before post-curing |
| Post-Curing | UV light for 5 - 15 minutes | Adjust based on model size and wall thickness to ensure full curing |
| Vat Maintenance | Filter back into bottle after use, store away from light | Prevent cured debris from entering the next print, affecting forming quality |
Settings should be adjusted according to your printer model, resin batch and model geometry. This guide does not replace the official parameter sheet for a specific grade.