REACH compliance series. This article is the lead 100 ppm rule and what a real lab report shows. Start at the hub: What REACH Actually Is: The EU Regulation Explained.
"It says N.D. — so zero lead, right?" A buyer asked me that last month, pointing at a line in a lab report. Wrong, and it's the kind of wrong that gets products pulled from shelves.
N.D. means not detected. Not zero — below the instrument's detection limit, and the limit has to be printed on the report or the abbreviation is meaningless. That distinction is the whole story of this article.
Here's the direct answer first: under CPSIA, accessible parts of children's products must contain less than 100 mg/kg (ppm) of lead — and paint and surface coatings are held to an even tighter 90 ppm. In our Model 8404 report, every non-metal component returned N.D., and the one metal component — the zipper head — measured 56 mg/kg, comfortably inside the 100 ppm limit. Those two words and that one number are what a trustworthy report looks like.
Why the Lead Limit Exists
Lead is a neurotoxin, and children are the most vulnerable population because their bodies absorb it more readily during development. The CPSIA of 2008 cut the allowable lead in children's products from 600 ppm to 100 ppm for accessible parts, with an even tighter 90 ppm for paint and coatings.
These are not marketing targets. They're legal floors, and they apply to every accessible part of a children's product — including the hardware on a suitcase. We test against them whether the suitcase looks like a toy or not.
The Three Lead Limits in One Table
| Rule | What it applies to | Limit |
| 16 CFR 1303 / CPSIA 101(f) | Paint and surface coatings | 90 mg/kg (ppm) |
| CPSIA 101(a) — non-metal | Accessible non-metal parts (plastics, fabrics, straps) | 100 mg/kg |
| CPSIA 101(a) — metal | Accessible metal parts (zippers, buckles, rivets) | 100 mg/kg |
Where Lead Hides in Luggage
Lead does not appear in a clean PC shell. It shows up in the parts nobody photographs:
- Metal zippers and sliders — historically the most common source, from alloys and plating
- Buckles, rivets and snap hardware — small metal parts with plating
- Pigments and coatings — especially bright or metallic finishes on plastic or fabric
- PVC and vinyl components — older stabilizers could contain lead
- Printed graphics — large printed surfaces are where coatings get checked
This is exactly why the lab in our report tested components separately. The metal zipper head was assessed on its own and measured 56 mg/kg, while the plastic and fabric parts came back N.D. A report that tests "the suitcase" as one blob cannot tell you which part is the risk. If it can't name the part, it can't protect you from the part.
How the Test Works (the ICP-OES Line)
Worth understanding at a basic level, because it explains the abbreviations you'll see:
- The lab cuts and weighs the sample component
- The sample is digested in acid, usually with microwave or hotplate digestion, turning the material into a measurable solution
- The solution runs through an ICP-OES — Inductively Coupled Plasma Optical Emission Spectrometer — which vaporizes the sample and measures the light each element emits
- The result is compared to the limit and to the MDL — Method Detection Limit, the smallest amount the instrument can reliably measure
Our report lists an MDL of 10 mg/kg for the lead methods. That number matters: when a result says N.D., it does not mean "zero lead"; it means "below 10 mg/kg, the instrument's floor." N.D. with a stated MDL is honest and standard. A report that claims "0 lead" without an MDL is the first sign of a document written to impress rather than inform.
Reading the Result Like a Buyer
| Result you might see | What it actually means |
| N.D. (< MDL 10) | Below 10 mg/kg — the best possible outcome |
| 56 mg/kg | Measured, inside the 100 ppm limit |
| 110 mg/kg | Measured, over the limit — fail |
| N.A. | Not applicable — the rule does not apply to this component |
| No MDL shown | Incomplete — you cannot interpret N.D. without it |
What Buyers Should Ask For
- The lead result for metal and non-metal parts separately
- The MDL for each method
- The component list — which parts were tested
- The lab's accreditation (CPSC-accepted, verifiable ID)
- Whether the limit applied is the 90 or 100 ppm one, and why
Retailers and marketplaces don't usually re-test every shipment, but they do audit documentation, and importers carry the legal responsibility for what crosses the border. A single non-compliant component can sink a listing, trigger a recall, and end a retail relationship. Lead compliance is not a marketing checkbox. It's the difference between a defensible product and a liability — and yes, I've watched a brand learn that the hard way.
Frequently Asked Questions
What is the legal lead limit for children's products in the US?
100 mg/kg for accessible parts, with 90 mg/kg for paint and surface coatings. These limits apply to children's products under CPSIA, and they're legal floors, not targets.
What does N.D. mean in a lead test?
Not Detected — the lead concentration is below the method detection limit stated in the report. It's the strongest result available, and it only means something when the MDL is shown.
Which luggage parts are most likely to contain lead?
Metal hardware — zippers, sliders, buckles and rivets — plus pigments and coatings on plastic or fabric. The metal components are why separate component testing matters.
Can a product age-graded 18+ skip lead testing?
Legally, the children's-product limits apply to children's products. Our 8404 is age-graded 18+ yet was tested against the 100 ppm children's limit anyway — a stricter benchmark than the law requires for its grading, and the report documents it.
How do I choose a lab for lead testing?
Use a CPSC-accepted laboratory and verify its CPSC ID online. Our report's lab holds CPSC ID 1826 and CNAS No. L19581 — both publicly checkable.
Does passing lead testing cover other heavy metals?
No — lead is one element. Cadmium, mercury, arsenic and others are regulated separately in different markets. Ask for the full metals scope for your target market instead of assuming one test covers all.
About This Report
The lead data in this article comes from report No. S260120015001-1 (January 2026, Soar Testing Certification, CPSC ID 1826) for our Model 8404 — non-metal components N.D. at MDL 10, metal zipper head 56 mg/kg, limit 100 mg/kg. We share the relevant report pages with buyers working on US programs. If you're unsure which metals limits apply to your product and market, send your component list to clkbusiness@clkluggage.com or WhatsApp +86-18879628221 and our quality team will point you to the right scope — including when testing is not needed at all.
About the Author
Written by the CLK Manufacturing Team — 16+ years of custom luggage OEM/ODM experience from our factory in Ji'an, Jiangxi, China. Updated: 2026-08-15.
Related Products & Sourcing
CLK Luggage (Jiangxi Chengleke Leather Co., Ltd.) manufactures custom hard-shell luggage, aluminum-magnesium cases and luggage sets for brands, retailers and corporate clients. Relevant resources:
- Browse our luggage sets and custom OEM/ODM luggage manufacturing
- Why choose CLK — factory profile, quality control and certifications
- Get a quote: contact our team or email clkbusiness@clkluggage.com