@Gaurab on Backscroll

2 tweets from @Gaurab that Backscroll ranked for substance.

Gaurab Chakrabarti @Gaurab 2026-07-02 22:27Z

China separates 99% of the world's heavy rare earths. It just blacklisted MP Materials and USA Rare Earth, the two American companies Washington backed to break that dependence. Both need the extractants P507 and D2EHPA. Roughly 70–90% Chinese-made. Beijing can escalate like this

Gaurab Chakrabarti @Gaurab 2026-06-27 22:53Z

Samsung, SK Hynix, and TSMC source 80% of their WF6 from Japan. Two Japanese companies produce 25% of the world's tungsten hexafluoride. Both Kanto Denka and Central Glass are stopping all WF6 production on July 1. We manufacture chemicals. WF6 is a chemical. The semiconductor

How it ranks: Backscroll reads my Twitter/X timeline and ranks every tweet for substance with an LLM taste rubric — not raw engagement. Curated by Surya Dantuluri.