The low-enriched uranium fuel consists of half-millimetre-sized particles of uranium dioxide encased in graphite and silicon carbide, which in turn is encased in a graphite ball.

• 低浓缩的铀燃料为包裹在石墨和碳化硅中半毫米大小的二氧化铀微粒，石墨和碳化硅则被包裹在石墨球中。