What is EN71-3?
EN71-3 is a toy safety standard focused on chemical element migration. In plain English: it checks whether certain elements (often referred to as “heavy metals”) can migrate out of accessible toy materials at levels above permitted limits.
If you sell toys intended for children, you’re expected to ensure the toy materials are safe. EN71-3 is one of the main ways that chemical safety is demonstrated.
Why 3D prints need EN71-3
3D printed toys are typically handled a lot, and younger children may mouth them. That makes chemical safety relevant. Even with common filaments like PLA, different pigments and additives can affect chemical results.
Key point for makers
If you sell toys under your brand, you are treated as the manufacturer for compliance purposes. That means it’s on you to hold the evidence (tests, traceability, and technical documentation) to support safety claims.
Your options for EN71-3 coverage
Option 1 — Individual laboratory testing
You send your own samples to a lab for EN71-3 testing. This gives you maximum control and direct lab-issued results for your exact material(s) and sample(s).
- Best for: larger manufacturers, unique materials, high-volume brands
- Pros: direct results for your samples, clear chain of custody
- Cons: higher cost, repeat testing for changes, slower turnaround
Option 2 — Shared certificate access (material-based coverage)
A filament brand/type/colour range is tested and the resulting documentation is made available for makers to reference, alongside proper traceability and supporting records.
- Best for: small makers, market sellers, multi-colour product lines
- Pros: far lower cost, practical for lots of colours, faster access
- Cons: you still need correct matching, traceability, and a technical file
Whichever route you take, EN71-3 is only one piece of the overall picture. Most toy compliance also involves risk assessment, traceability, and technical documentation.
Cost comparison
| Method | Typical cost | Suitable for |
|---|---|---|
| Individual laboratory testing | Often hundreds per material/sample set | Large manufacturers, unique blends, bespoke materials |
| Shared certificate access | Low cost per certificate (maker-access model) | Small makers & sellers using common filaments |
Real costs vary by lab, sample prep, number of colours, and how often you change materials. The important part is choosing an approach you can maintain consistently with good records.
Common mistakes (and how to avoid them)
1) Assuming “non-toxic” filament marketing = compliance
Marketing claims aren’t a substitute for EN71-3 evidence. You need documentation that matches what you actually use.
2) Using a certificate that doesn’t match the filament type
PLA, PLA+, Matte, Silk, PRO, etc. can differ. Your evidence should align with the correct brand and type.
3) Ignoring colour / pigment differences
Pigments matter. If your coverage is colour-range based, make sure your certificate scope actually includes what you print.
4) No traceability
Even with a good EN71-3 certificate, you still need to track what filament (and batch) was used for what products.
5) Thinking EN71-3 is the whole of UKCA
EN71-3 supports chemical safety, but toy safety compliance can also involve other assessments and documentation.
6) Not having a technical file ready
If anyone challenges your compliance, you need to be able to produce your evidence quickly and clearly.
How 3D CertHub helps
3D CertHub UK provides EN71-3 certificate access specifically designed for 3D printing makers using common filaments. The goal is simple: make it realistic for small businesses to build a safer, more traceable compliance setup.
- Filament-focused coverage: certificates are organised by brand and filament type.
- Practical for makers: designed to work in a multi-colour 3D printing world.
- Supports traceability: encourages good record-keeping and matching to what you actually print.
Ready to check what’s covered?
Use the quick reference page or browse certificates directly.
FAQ
Do I need EN71-3 for all 3D prints?
Not all 3D prints are toys. But if you market or sell items as toys (or they are reasonably considered toys for children), you should expect toy safety obligations to apply. EN71-3 is commonly used to support chemical safety evidence.
Can EN71-3 certificates be shared or transferred?
EN71-3 certificates issued through 3D CertHub are licensed for use by the purchasing business only and are not transferable or resellable. Each certificate is supplied to support the purchaser’s own compliance documentation and technical file.
Toy safety responsibility always remains with the seller or manufacturer placing products on the market. For compliance purposes, documentation must be correctly linked to the business using the materials, together with appropriate traceability and records.
Does filament colour matter?
Often, yes. Pigments and additives can affect results, so your coverage should accurately reflect the colour range/scope you print with.
Is EN71-3 enough for UKCA toy compliance?
Usually, no. EN71-3 supports chemical safety, but compliance typically also involves risk assessment, documentation, traceability, and other relevant safety considerations depending on the product.
What’s the fastest way to get started?
Start by listing the exact filament brand/type you use, confirm what coverage exists, then build a simple traceability process so you can show what you printed with what material. Then work outward into your wider technical documentation.