SUNLU 3D Printer Resin — Fast-Curing Black 2kg, Low Shrinkage & High Precision

SUNLU 2kg standard 3D printing resin is a fast-curing, low-shrinkage black photopolymer formulated for high-precision LCD, DLP and SLA printers operating around 395–405nm.

This 2000g bottle of SUNLU resin balances speed, surface hardness and dimensional reliability to produce detailed prints suitable for prototypes, miniatures, jewelry patterns and functional models. It’s engineered for broad compatibility (365–405nm) and designed to be beginner-friendly while offering the stability and post-processing characteristics experienced users expect.

How quickly does this resin cure and what printer wavelengths does it support?

The resin cures rapidly under standard 395–405nm UV sources and remains compatible with many 365nm systems, giving flexibility across most desktop resin machines. Fast curing shortens layer exposure times but still retains fine detail when dialed in correctly.

• Optimized for 395–405nm LED/LCD/DLP light engines
• Acceptable performance with some 365nm setups—check printer specs
• Faster layer times with tuned exposure settings for small features

What finish and mechanical traits can I expect after printing?

Printed parts harden to a smooth, firm surface that sands, paints and bonds well, making them ideal for finishing and display pieces. The formula emphasizes low shrinkage to preserve dimensional accuracy and reduce warping on delicate structures.

• Hard, smooth surfaces for easy sanding and painting
• Low shrinkage maintains tight tolerances and better fitment
• Good resistance to mild chemicals and greases for stable models

How easy is post-processing and cleanup with SUNLU standard resin?

Post-processing is straightforward: rinse prints in isopropyl alcohol or ethanol, then post-cure under a UV lamp for best mechanical properties. The resin’s surface accepts paints and primers readily, helping hobbyists and model makers achieve polished results.

• Cleans easily with IPA or ethanol for a smooth finish
• Surface accepts primers, paints and dyes effectively
• Minimal leftover odor during printing compared to stronger resins

Is this resin suitable for beginners and cost-conscious users?

Yes—SUNLU’s standard resin is formulated for ease of use, forgiving flow behavior, and reliable layer adhesion, which helps novices succeed faster. At 2kg per bottle, it also delivers strong value for makers who print frequently or larger batches.

• Good fluidity and tolerance to varied printer speeds for novices
• 2kg bottle offers lower per-gram cost for larger projects
• Leak-proof patented bottle design reduces transport damage risks

Who is this for? Makers, hobbyists, small workshops and designers who need an affordable, broadly compatible black resin that prints with high detail, sands and paints easily, and keeps dimensional accuracy. If you require ultra-high-temperature resistance or medical-grade certs, consider specialized resins; for most prototyping, tooling masters, miniatures and display models, SUNLU’s 2kg standard resin is a practical, cost-effective choice.