SUNLU High Toughness Resin 1kg 405nm – Flexible Strong Photopolymer for LCD/DLP/SLA Printing
SUNLU High Toughness Resin is a flexible and strong photopolymer designed for prints that need to withstand handling without breaking. With improved formulation using low shrinkage materials, this resin provides excellent stability while maintaining proper hardness – perfect for delicate parts, miniatures, and functional components that require durability.
Ideal for miniature models with fine details, functional parts requiring impact resistance, and any application where breakage during support removal is a concern. Compatible with 2K, 4K, and 8K LCD/DLP/SLA printers at 365-405nm.
SUNLU High Toughness Resin Key Features
- Hard to Break When Bending – Flexible and strong for miniature parts
- Fast Curing – Excellent fluidity for quick 365-405nm curing
- Low Shrinkage – Improved formulation for high precision
- High Stability – Proper hardness for both beginners and advanced users
- Wide Compatibility – Works with most 4K/8K LCD/DLP/SLA printers
- Leak-Proof Packaging – Patented bottle design with aluminum foil seal
SUNLU High Toughness Printing Parameters
| Parameter | Recommended Value | Notes |
|---|---|---|
| UV Wavelength | 365-405nm | Broad compatibility |
| Layer Height | 0.05mm | For best detail |
| Normal Exposure | 2-4 seconds | Varies by printer |
| Bottom Exposure | 25-50 seconds | First 4-6 layers |
| Compatibility | 2K/4K/8K LCD/DLP/SLA | Wide printer support |
High Toughness Resin Applications
- Miniature Models – Figures with fine details that need handling
- Functional Parts – Brackets, bases, load-bearing components
- Tabletop Gaming – D&D figures, Warhammer models
- Prototypes – Parts that require physical testing
- Delicate Assemblies – Components prone to breaking during removal
- Display Models – Items that may be dropped or handled frequently
High Toughness vs Standard Resin
| Property | High Toughness | Standard Resin |
|---|---|---|
| Impact Resistance | High | Low (brittle) |
| Flexibility | Good bend tolerance | Snaps easily |
| Support Removal | Less breakage | Risk of snapping |
| Drop Resistance | Survives drops | Shatters easily |
SUNLU High Toughness Specifications
| Brand | SUNLU |
| Material Type | High Toughness Photopolymer Resin |
| Volume | 1000g (1kg) |
| UV Wavelength | 365-405nm |
| Shrinkage | Low |
SUNLU High Toughness FAQ
Q: Is this resin flexible like rubber?
A: No, it’s not rubber-like flexible. It has improved bend tolerance and impact resistance compared to standard brittle resins, but it’s still a rigid material.
Q: Can I use this for functional load-bearing parts?
A: Yes, the high toughness formula is ideal for functional parts like brackets, bases, and components that need to handle load without breaking.
Q: Will supports break off without damaging my print?
A: The improved flexibility means supports remove more cleanly with less risk of breaking delicate features compared to standard brittle resins.
Related Products
Looking for other tough or specialty resins? Explore our collections:
- Tough Resins – More durable options
- SUNLU Resins – Full range
- ABS-Like Resins – Strong alternatives
- Flexible Resins – Rubber-like options




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