Application control of powder coating sand texture agent
China Powder Network News Sand texture agents are mostly fluorine-containing resin or wax-based substances. They are mainly in the form of cotton wool or powder. They absorb moisture and are easily agglomerated under pressure. Due to the small amount of cotton-like agglomeration (the amount of cyclopolymerized powder is about 0.1%)
the dispersion in the powder coating is uneven, which causes customers to misunderstand that the amount is too large, and even suspects the purity of the sand texture agent. At the same time, lack of uniform dispersion will also lead to inconsistent gloss in various parts of the coating film or inconsistent gloss between batches. Most customers mix and stir fillers before use and then add them to the powder ingredients.
Substances used with sand texture agents include: organic bentonite, white carbon black, talc powder, polyethylene wax, etc. They work with sand texture agents to adjust the sand particle size, surface gloss, and wear resistance. wait. Organ...