Zincotec Co., Ltd., a manufacturer specialized in antirust additives in Korea, developed GEOPERT and BLACKPERT -- water-soluble, highly corrosion-resistant coating agents rich in zinc -- and has exported them to a wide array of countries. GEOPERT is a composite coating material of patented water-soluble zinc/aluminum. It has little bad odors and no risk of fire or explosion due to low organic solvent content. Its low viscosity raises productivity and economic value remarkably. Salt spray test...