The trajectory of prices for four of the five commodity resins — polyethylene (PE), polypropylene (PP), polystyrene (PS) and polyvinyl chloride (PVC) — was trending flat-to-down for at least the early ...

In addition to its dissolution solution, Polystyvert stands out for its ability to develop and patent advanced purification technologies. Its solution is economical and can be deployed on a commercial ...

Use precise geolocation data and actively scan device characteristics for identification. This is done to store and access ...