Material guideTungsten Uses: 60% of US Demand, One Product
In the US, 60% of tungsten demand goes to cemented carbide. The other 40% splits into alloys and specialty steels, electrodes and wires, and chemicals.
Reviewed
Material guideTungsten Uses: 60% of US Demand, One Product
In the US, 60% of tungsten demand goes to cemented carbide. The other 40% splits into alloys and specialty steels, electrodes and wires, and chemicals.
Reviewed
Suppliers
Tungsten Suppliers: Countries, Not Companies
Tungsten supplier lists mix mine output, concentrate and APT. The only comparable ranking is the country table, and most producers publish no capacity.
Reviewed
Material guide
Antimony Uses: One Oxide, Three Jobs
The trioxide does three unrelated jobs: flame-retardant synergist, PET catalyst and glass fining agent. The alloy and the medicinal salts do the rest.
Reviewed
Material guide
Tungsten Carbide: A Grade Is Two Numbers
Tungsten carbide is a powder, a compound and a cemented composite. A grade is cobalt against grain size, and one ISO code can carry different numbers.
Reviewed
Material guide
Tungsten Metal: Ten Kilograms, Not a Tonne
Tungsten concentrate and APT are quoted per metric ton unit of oxide, ten kilograms, and the licence tests are cumulative rather than one threshold.
Reviewed
Material guides
One material per guide: the grades that get sold, the process that sets them, and the supply that decides who can buy.
Material guide
Material guideAntimony Uses: One Oxide, Three Jobs
The trioxide does three unrelated jobs: flame-retardant synergist, PET catalyst and glass fining agent. The alloy and the medicinal salts do the rest.
Reviewed
Material guideTungsten Carbide: A Grade Is Two Numbers
Tungsten carbide is a powder, a compound and a cemented composite. A grade is cobalt against grain size, and one ISO code can carry different numbers.
Reviewed
Material guideTungsten Metal: Ten Kilograms, Not a Tonne
Tungsten concentrate and APT are quoted per metric ton unit of oxide, ten kilograms, and the licence tests are cumulative rather than one threshold.
Reviewed
Material guideAntimony Metal: What 99.65% Does Not Mean
Antimony is counted as contained metal, priced on one ingot grade and controlled on another; a mine’s headline of 14 million tons is ore, not antimony.
Reviewed
Material guideHigh-Purity Germanium: What 5N Buys
A germanium certificate is written in four different units: detectors in carriers, optics in transmission, fibre in a chemical, and 5N only in price.
Reviewed
Suppliers
Who actually holds the capacity — ranked by country where the company data will not support a ranking.
SuppliersAlumina Manufacturers: Who Refines What
Lists of producers disagree because one counts installed capacity and another counts output. Here is who refines alumina, on which measure, and as of when.
Reviewed
SuppliersSilicon Carbide Manufacturers: Two Forms
Silicon carbide manufacturers and suppliers split into two chains: abrasive grit sold by the tonne, and substrates sold by the wafer.
Reviewed
SuppliersTungsten Suppliers: Countries, Not Companies
Tungsten supplier lists mix mine output, concentrate and APT. The only comparable ranking is the country table, and most producers publish no capacity.
Reviewed
Document notes
One clause, one instrument, and whether it is still in force.
What Notice No. 72 Suspends, and Until When
Notice No. 72 suspends one paragraph of the 2024 US-specific controls until 27 November 2026. The US military end-use ban and the licence requirement stay.
Updated
The Eleven Announcements the List Replaced
On 1 December 2024, eleven export-control announcements were repealed into one list. This maps each of them onto the entries that replaced it.
Updated
1C117.c: The Missile Clause the February Announcement Dropped
The February 2025 announcement restates solid tungsten without the missile-purpose clause. The molybdenum entry beside it kept one.
Updated
Latest writing
All posts »
Wuyang Trades the North for the Belt
Wuyang's 39-degree orbit serves the tropics and gives up the north. Planet flew the same idea and stopped. Who pays decides the rest.
TSMC's Profit Jumped 69 Per Cent. Seoul Halted Trading the Same Day.
TSMC's profit rose 68.7 per cent and it guided revenue above $52 billion. Earlier that day, Seoul halted trading and Samsung fell nearly a tenth.
China Is Australia's Top Car Source, and That Counts Factories
China took 35.5 per cent of Australia's new-car sales in September. The figure counts factories, not badges.