Protein foaming agents are produced from naturally hydrolyzed proteins. They are combined with foam stabilizers (metal salts), fungicides, corrosion inhibitors, antifreeze additives and solvents to form foam concentrates.…
As a new type of manufacturing technology, 3D printing has shown very broad application prospects, and has shown a strong development momentum in more fields.…
Tungsten disulfide is an extremely smooth dry film lubrication coating.…
Algeria, another big North African country, also has new import and export rules, following an announcement by Egypt's central bank that Egyptian importers will only be able to use letters of credit from March.…