23 Apr 2021 --- US-based Twin Rivers Paper Company is expanding its line of fluorochemical-free (FC-free) and PFAS-free (per- and poly-fluoroalkyl substances-free) grease-resistant food packaging, branded EcoBarrier. The paper packaging is designed for fast food and quick service businesses who are phasing out FC-based grease-proofing agents, with research increasingly pointing to associated health risks.