PVOH more expensive
The japanese group Kurarai has announced an increase of price lists, on a global scale and with an immediate effect, for the resins based on polyvinyl alchohol (PVOH) marketed with the brands Poval, E ...
Biofuels from protection devices
A group of researchers of univeristy of petroleum and energy studies of dehradun, in india, has lead a reasearch to transform the abandoned dpi in bio fuels