Olive-oil marketers switching from pour spouts to fine-mist trigger sprayers must verify FDA 21 CFR 177.1520 (PP), 177.1580 (PET) and EU 10/2011 compliance for all plastic parts.
Use 0.2 ml output to deliver 1 kcal per spray, enabling "low-calorie" claims. Specify anti-oxidant masterbatch (BHT-free) to prevent oil rancidity; peroxide values must stay <10 meq O₂/kg after 90 days at 40 °C.
Metal springs must be 316 SS to resist oleic acid; better yet, choose all-plastic spring for mono-material recycling. Tube should be translucent LDPE for flex-fatigue but add 0.5 % UV absorber to protect vitamin E.
Silicon-free assembly lubricants avoid off-taste; request organoleptic testing report. MOQ 10 k, lead time 21 days, FOB Ningbo USD 0.14-premium justified by 25 % volume reduction versus free-pour, extending 500 ml bottle life 40 %.
