Quick verdict: Siraya Tenacious is a flexible, ABS-like resin designed to be mixed with standard resin at a 10–30% ratio. The result is prints that resist snapping and chipping — which matters a lot for thin sword blades, spear tips, and banner poles on miniatures. It is the best single additive you can buy for making your 3D printed miniatures more durable, and it is why it consistently outperforms every other resin in actual sales on this site.
What is Siraya Tenacious?
Siraya Tenacious is a flexible photopolymer resin made by Siraya Tech. Unlike standard resins — which cure hard and brittle — Tenacious cures with a degree of flex. On its own that flex is too much for most miniature applications (parts would wobble rather than hold their shape). The product is designed to be used as a mixing additive: blend 10–30% Tenacious into your regular resin, and you get prints that are still rigid but absorb impact without snapping.
For miniature printing specifically, this matters for:
- Thin weapon blades and spear tips that snap in transit
- Flagpoles, antenna, and other fine vertical elements
- Fingers and claws on larger models
- Any part you handle repeatedly during painting and basing
Standard resin without any additive will chip, crack, and snap at these points over time. At a 20% mix, Tenacious reduces breakage significantly without meaningfully affecting print detail or surface quality.
Siraya Tenacious Review: Pros and Cons
Pros
- Dramatically reduces thin part breakage
- No noticeable loss in surface detail at 10–20% mix ratios
- Compatible with all MSLA/LCD printers (Elegoo, Anycubic, Bambu, Phrozen)
- Works with any standard or ABS-like base resin
- Cost-effective — one bottle lasts many print sessions when used as an additive
- Grey variant available for miniature-friendly primer-ready surfaces
Contras
- Not a standalone resin — requires mixing with a base resin
- At 30%+ mix, prints can feel slightly rubbery when warm
- Slightly longer cure times than standard resin at the same exposure settings
- Requires good shaking/mixing before each print session
How to Use Siraya Tenacious: Mixing Guide
The most common question about Tenacious is how much to use. Here are the recommended ratios based on what you are printing:
| Use case | Tenacious ratio | What it gives you |
|---|---|---|
| Standard infantry miniatures | 10–15% | Marginal flex, mainly better impact resistance |
| Models with thin weapons / spears | 20% | Noticeably more durable, detail fully preserved |
| Large terrain / bases | 10% | Reduced cracking on large flat areas |
| Maximum durability (transport) | 25–30% | Very tough, slight rubbery feel at room temperature |
Recommended starting point: 20% Tenacious + 80% Siraya Tech Fast Gris o Sunlu Standard Grey. This is the most widely used ratio in the miniature printing community and gives you the best balance of detail and durability.
Print settings with Tenacious
When mixing Tenacious into your resin, you may need to slightly increase your normal exposure times. Tenacious cures a little slower than standard resin, so a 5–10% increase in layer exposure is a reasonable starting point. Run a calibration test (Cones of Calibration or similar) on the new mix before printing a full model.
Shake the mixed bottle thoroughly for at least 60 seconds before pouring into the vat. The two resins can separate if left sitting, so re-shake before any session longer than an hour.
Siraya Tenacious vs Siraya Tech Fast Grey: Which Do You Need?
These are the two most commonly used Siraya products for miniature printing and they serve different roles:
| Siraya Tenaz | Siraya Tech Fast Gris | |
|---|---|---|
| Role | Durability additive (mix with base resin) | Base resin (print directly or use as mixing base) |
| Use alone? | No — too flexible for rigid miniatures | Yes — excellent standalone grey resin |
| Detail level | High (at 20% mix) | High — one of the sharper grey resins available |
| Best for | Models with fragile thin parts | General miniature printing, grey base for painting |
| Buy | Siraya Tenacious on Amazon | Siraya Tech Fast Grey on Amazon |
For miniature printing, the ideal setup is to keep a bottle of Fast Grey as your base resin and Tenacious as your additive. Mix 20% Tenacious into the Fast Grey vat and you get sharp, grey, durable prints that take primer well and handle the painting process without shedding limbs.
What Base Resin to Mix With Siraya Tenacious
Tenacious works with any standard 405nm photopolymer resin. The most popular choices for miniature printing:
- Siraya Tech Fast Gris — the most popular pairing. Both are Siraya products so they are formulated to mix well. The grey colour is ideal for priming and painting.
- Sunlu Standard Grey — the budget-friendly option. Lower cost per litre than Siraya Fast Grey while still mixing well with Tenacious. A good choice if you print in high volume.
- Elegoo Standard Grey — widely available and compatible. Works well at the 20% Tenacious ratio.
Is Siraya Tenacious Worth It?
Yes, without question, if you are printing miniatures with any thin or fragile parts. A bottle of Tenacious lasts a long time when used as a 20% additive — you go through five bottles of your base resin before finishing one bottle of Tenacious. The cost per print is low and the durability improvement is significant.
If you are only printing terrain, flat tiles, or thick chunky models, Tenacious is less necessary. But for infantry-scale miniatures with weapons and fine details, it is one of the most impactful improvements you can make to your print quality for the cost.
The combination we recommend for most miniature printers: 20% Siraya Tenacious + 80% Siraya Tech Fast Grey. Print with a 405nm MSLA printer (the Elegoo Saturn 2 o similar), and you will get results that are hard to distinguish from injection-moulded plastic in terms of durability — with the detail that only 3D printing can provide.
Frequently Asked Questions
Can I print Siraya Tenacious without mixing it?
You can, but the results are usually too flexible for miniature use. Purely flexible resin makes models that bend rather than hold a pose. Siraya Tenacious is designed as a mixing additive, not a standalone printing resin. The sweet spot is 15–25% Tenacious mixed into your base resin.
What ratio of Siraya Tenacious should I use for miniatures?
20% is the most commonly recommended starting ratio for miniature printing. It provides a meaningful improvement in impact resistance and flexibility without softening fine details. Go up to 25–30% if you regularly break thin parts during transport or handling.
Does Siraya Tenacious affect print detail quality?
At 20% or below, no noticeable difference in surface detail compared to printing with standard resin alone. At 30%+, very fine details (sub-0.1mm surface texture) can appear slightly softer. For miniature-scale models this is rarely an issue.
Is Siraya Tenacious compatible with Elegoo and Anycubic printers?
Yes. Tenacious is a standard 405nm UV-curing resin and works with all MSLA/LCD printers including the Elegoo Saturn series, Anycubic Photon series, Bambu Photon, and Phrozen printers. Always run a calibration print when changing your resin mix.
How long does a bottle of Siraya Tenacious last?
At a 20% mixing ratio, a 500ml bottle of Tenacious will be used up over roughly 2.5 litres of mixed resin (five standard 500ml bottles of your base resin). For a hobbyist printing one or two batches per week, a single bottle typically lasts 3–6 months.