Disperse "Crodesta" F10 and F160 in "kaydol" at 25 C. Heat to 75 C and add "Polawax," propyl paraben, and "Crodafos" N3N. Disperse QP4400 in water phase. When completely hydrated, add propylene glycol, "Germall" 115, and methyl paraben; then heat to 75 C. Add 'Crolastin" at 75 C. Add water to oil phase and cool to 30 C; then add "Collasol." It is very important to cool the emulsion rapidly to ensure good stability.