# Tag: naphtha

- [Geopolitical plastic: impact on Braskem](https://brazilstockguide.com/behind-the-lines/braskem-geopolitical-impact-oil-shock/) (2026-04-06): Oil shock tightens supply, lifts prices and gives Brazil’s petrochemical group a fragile reprieve.
- [Braskem raises resin prices by R$6,500 and caps volumes](https://brazilstockguide.com/insights/braskem-polyethylene-price-increase-brazil/) (2026-03-31): April opens with uncertainty as oil volatility erases cost visibility across the petrochemical chain.
- [Petrobras Signs $17.8bn Long-Term Supply Deals With Braskem Through 2036](https://brazilstockguide.com/insights/petrobras-braskem-17-8bn-long-term-supply-deals-2036/) (2025-12-18): Agreements renew core feedstock supplies and are signed amid Novonor’s sale of control in Braskem to IG4 Capital, which represents creditor banks.