Read the basic concepts related to polyurethane 1、Hydroxyl value: The amount of hydroxyl group (-OH) contained in 1 gram of polymer polyol is equivale…

Polyurethane foam shrinkage? Affected by construction conditions, equipment, technology and environment, polyurethane hard foam will appear various ab…

Water-based polyurethane floor paint Based on the development trend of the construction industry in recent years, higher requirements have been put fo…

Performance requirements for nylon colorants (1) Heat and sunlight resistance So far there are many organic pigments, inorganic pigments and solvent d…

Make pottery simpler ︱ “Mirror paste yellow” Fine clay or porcelain clay, mixed with water into a slurry painted on the pottery or porcela…