Lẹẹdi lulú ni a itanran, gbẹ fọọmu ti lẹẹdi, a nipa ti sẹlẹ ni allotrope ti erogba. O ṣe afihan awọn ohun-ini alailẹgbẹ gẹgẹbi igbona giga ati ina eletiriki, lubricity, inertness kemikali, ati resistance otutu.
