Broad Spectrum SPF 36, PFA (PPD) 11 Sunscreen Cream Formula JZ2-302C
Preparation:Add A to main vessel and start center-stir (prop) mixing. When dissolved, add B and mix until fully incorporated. Start heating to 85°C, and add pre-blended phase C ingredients. To a secondary vessel, add D, start mixing, and add E. When dissolved, heat to 85°C, then add phase F ingredients, in order. With both phases at 85°C and homogeneous, add oil phase (D–F) to water phase (A–C), with stirring. After mixing for ten minutes, start cooling and homogenize until batch reaches 55°C; then resume sweep mixing with continued cooling. At 50°C or lower, add G. When again smooth, add H, replace any water lost to evaporation, and mix until smooth. When at desired filling temperature, stop cooling and mixing, perform final quality assurance checks and package product
Notes:PRODUCT PROPERTIES (25°C) Appearance: light yellow cream Viscosity (RV, T-D, 5, 20 & 100 rpm, cP): 119400, 36000 & 9400 pH: 5.86 Stability: acceptable through three freeze thaw cycles and after 2 months at 45°C
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