INDUSTRIAL Wintersun is a proud member of National Association of Chemical Distributors (NACD). Since 2001, Wintersun has been a premier chemical supplier distributing high quality Industrial Chemicals / Ingredients to businesses.Download Industrial Chemicals BrochureDownload Trisodium Phosphate (TSP) Dodecahydrate -Tetrapotassium Pyrophosphate (TKPP) – Sodium Hexametaphosphate (SHMP) -Disodium Phosphate Anhydrous – StearicAcid – SodiumStearate – Sodium Tripolyphosphate (STPP) Dense/Light