Conflict Minerals Declarations: Why a Chemical Supplier Gets Asked for a CMRT

If you supply into electronics, automotive, aerospace or defence supply chains, sooner or later a customer sends a Conflict Minerals Reporting Template and asks you to declare whether your products contain tin, tantalum, tungsten or gold, known collectively as 3TG. For a chemical supplier this request can feel disconnected from what you actually make, and understanding why it arrives, and what regulatory weight sits behind it, makes it much faster to answer. This article is practical guidance, not legal advice.

Why a chemical supplier receives a CMRT

Receiving a CMRT does not mean you are personally the target of conflict-minerals regulation. It usually means one of the following:

Your customer is publicly traded in the US. US securities law has required certain public companies to disclose whether their products contain 3TG from conflict-affected and high-risk areas, and that disclosure obligation is met by pushing a standard questionnaire down the supply chain.
Your customer has its own corporate sustainability commitments. Many manufacturers, particularly in electronics, automotive and aerospace, run responsible-sourcing programmes that request the same declaration regardless of any specific legal duty on them.
Your customer is itself downstream of a company with a direct legal obligation. The request can be several links removed from the company that actually has a regulatory duty. It arrives at your desk because someone further up the chain has to answer it and cannot without your input.

In every case, the request cascades down the supply chain to whoever holds the underlying fact, which is you: what your product actually contains.

3TG relevance to chemical inputs

Most chemical products contain none of the four minerals, but "most" is not the same as "all", and the declaration has to be made per product, not as a blanket statement about your business. The more common pathways are:

Tin. Organotin compounds are used as stabilisers and catalysts in some polymer and coatings chemistry.
Tungsten. Tungsten compounds appear in some catalyst systems and specialty pigments.
Gold and tantalum. Less common in bulk chemical formulations, but not absent from specialty and electronics-adjacent supply chains, for example materials feeding into capacitor or plating processes.

The point is not that every chemical supplier has a 3TG problem. It is that the only honest way to answer is to check the actual composition of the specific product being asked about, which is a data problem before it is a regulatory one.

What actually regulates this, and where

The direct legal picture is narrower than the volume of questionnaire requests suggests. The EU Conflict Minerals Regulation (Regulation (EU) 2017/821) binds EU importers of tin, tantalum, tungsten, their ores, and gold above specific volume thresholds. That is a small, specific population of businesses that physically import the raw minerals or ores, not every company whose products might contain them downstream.

For UK-based suppliers, the position has a further wrinkle: the regulation does not currently apply in Great Britain, but it does apply in Northern Ireland under the Northern Ireland Protocol arrangements. If your business, or a site in your group, sits in Northern Ireland, treat that as a separate check rather than assuming the GB position applies. Confirm the current position for your specific circumstances rather than relying on a general statement, since this is precisely the kind of jurisdictional split that changes over time.

In practice, most of the CMRT requests a chemical supplier receives are driven not by this regulation directly but by US securities disclosure requirements on public companies further down the chain, and by voluntary corporate responsible-sourcing commitments. That does not make the request optional to answer well. It means the obligation you are actually satisfying is contractual and commercial, your customer relationship, rather than a direct regulatory duty on your own business in most cases.

Answering once and reusing it

The CMRT is one more entry in the same pile as every other customer compliance questionnaire: a different form, asking a question your own product data can answer, requested by a different customer on a different day. The expensive way to handle it is reconstructing the 3TG position for a product from scratch each time a form arrives. The efficient way is maintaining the answer, by product, alongside your other composition and sourcing data, so that responding to a new CMRT is a lookup rather than an investigation.

Reconstructing your 3TG position from scratch every time?

We connect your product composition and sourcing data to a maintained record you can answer a CMRT, or any other customer declaration, from directly. A short call, no pitch.

Book a technical call

CMRT, EMRT, and picking the right one

The Responsible Minerals Initiative publishes the standard templates most customers use. The Conflict Minerals Reporting Template (CMRT) covers 3TG and is the one described in this article. The Extended Minerals Reporting Template (EMRT) covers a wider set of minerals, including cobalt and other battery and energy-transition materials, and has been expanding as scrutiny of those supply chains grows. They are separate templates covering separate minerals, so confirm which one a specific customer request is actually asking for before you respond, and use the current published version rather than an older copy that may be circulating internally.

Frequently asked questions

What does 3TG stand for?

Tin, tantalum, tungsten and gold, the four minerals covered by the standard Conflict Minerals Reporting Template. This is practical guidance, not legal advice.

Does the EU Conflict Minerals Regulation apply to my chemical business?

The regulation binds EU importers of tin, tantalum, tungsten, their ores, and gold above specific volume thresholds. Most chemical formulators are not importers of the raw minerals themselves, so the direct legal duty usually sits elsewhere in the chain. Confirm your specific position, since it depends on what you actually import, not just what your products contain.

Does this apply in the UK?

The EU regulation does not currently apply in Great Britain. It does apply in Northern Ireland under the Northern Ireland Protocol arrangements. Confirm the current position for your situation, since this is exactly the kind of GB/NI divergence that is easy to get wrong.

Do I need to fill in the CMRT if my products do not contain 3TG?

Usually yes, in the sense that "we have checked and none of our relevant products contain 3TG" is itself the answer the form is designed to capture. Declining to respond is not the same as declaring a negative result, and most customers treat a non-response as a compliance gap.