Solenis Collaborates with Pulpex to Scale Eco-friendly, PET-free Paper Bottle July 19, 2021 Pulpex is the world’s first widely recyclable, brandable paper bottle; the eco-friendly paper bottle is designed to hold a wide range of liquids. WILMINGTON, Del. (USA) – Solenis, a leading global producer of specialty chemicals, is joining forces with Pulpex Limited and its global consortium partners to collaborate on the ongoing evolution of the Pulpex eco-friendly paper bottle. Pulpex is a new world-leading sustainable packaging technology company established by venture management firm Pilot Lite and spirits producer Diageo. The company has developed the world’s first widely recyclable PET-free paper bottle made from sustainably sourced pulp.