How Much Does Copper Powder Cost?
Straight answer: copper powder does not
cost crazy money per gram. Typical 99–99.9% copper powder for general use sells in the tens of £/€/$
per kilo, which is pennies per gram. Benchmarked against exchange copper, anyone pitching “premium” powder at thousands per kilo is taking you for a ride. Reference prices below come from exchange data and real, named suppliers.
Rule of thumb:
start with LME/COMEX copper metal price, then add a sensible processing premium for purity, mesh size, and packaging. If the math explodes, the quote is bogus.
Anchor: raw copper price today
Recent copper benchmarks: COMEX spot about $4.4235/lb
which is roughly $9.75/kg
and $9,752/t. LME cash prices in the same ballpark at $9,640–$9,725/t
over 6–11 Aug 2025. These are the base metal references before any powder processing premiums.
What real suppliers charge for copper powder
| Supplier & Spec |
Pack / Listing |
Price |
Implied per kg / g / tonne |
| EC Fibreglass Supplies — Copper powder 325 mesh |
1 kg |
£29.70 |
£29.70/kg · £0.0297/g · £29,700/t. |
| EC Fibreglass Supplies — same product |
25 kg pack |
£549.50 |
≈£21.98/kg · £0.0220/g · £21,980/t (volume break). |
| Easy Composites — Copper powder 325 mesh |
250 g |
£9.40 ex VAT |
£37.60/kg · £0.0376/g · £37,600/t. |
| Widerange Metals — 99.9% 45 µm / 325 mesh |
1 kg |
€27.50 |
€27.50/kg · €0.0275/g · €27,500/t. |
| USA Knife Maker — fine copper powder ~350 mesh |
1 lb |
$21.50 |
≈$47.4/kg · $0.0474/g · $47,400/t. |
| OnlineMetals — copper powder |
2 lb |
$59.95 |
≈$66.1/kg · $0.0661/g · $66,100/t. |
Prices above are the posted public listings on the date viewed. Larger industrial lots often land near the lower end per kg due to volume breaks.
Why the price moves around
- Purity:
99.0–99.9% for general use. “Five nines” is specialty and priced up, yet still tethered to metal value.
- Particle size & shape:
325 mesh is common. Finer or spherical powder costs more than irregular atomized.
- Packaging & MOQ:
250 g retail costs more per kg than 25 kg sacks.
- Market metal price:
powder premia ride on exchange copper.
The scam pattern: fake “inspection companies” and fantasy valuations
Real trades do not rely on mystery inspectors who make up their own valuations. Legit counterparties use global firms with ISO-accredited labs and LME-recognized samplers and assayers. Think SGS, Bureau Veritas, and Intertek (including Intertek LSI). If a seller refuses these and pushes a “friend’s” inspector, walk away.
- Red flags:
“certificates” that don’t tie to a real warehouse release, no chain of custody, and prices quoted per gram at jewelry levels for industrial powder.
- Sanity check:
compare their price to LME/COMEX copper plus a processing premium. If they quote €5,000/kg for plain 325-mesh copper, it fails the math by orders of magnitude.
How to buy without getting burned
- Request a written spec: purity, mesh/µm, shape (spherical vs irregular), pack size, and Incoterms.
- Ask for a sample COA tied to a real lab or inspector. SGS, Bureau Veritas, and Intertek issued docs are standard.
- Benchmark the quote vs exchange copper and the supplier prices above. If it’s 100× higher, it’s nonsense.
- Avoid sellers who refuse escrow, warehouse release, or third-party inspection from recognized firms.
Need a price check on a quote?
Send the spec sheet and the offer. We’ll benchmark it against exchange copper and published supplier pricing.
Request a Sanity Check
Quick reference
- Exchange copper ≈ $9.75/kg today. Powder adds a processing premium.
- Retail 325-mesh powder often lists around £22–£38/kg in the UK depending on pack size.
- Small-pack U.S. listings cluster around $47–$66/kg.
- 1 kg EU listing example at €27.50/kg.
Prices are indicative public listings on the dates viewed and exclude taxes and freight. Copper powder is a processed form of LME-grade copper. Always verify specs and use recognized inspectors (SGS, Bureau Veritas, Intertek) for trade documentation.