A black dropper assembly made of PP plastic features an 18-400 ribbed skirt, a rubber bulb, and a glass pipette, designed to fit 15 mL or 1/2 oz bottles. This assembly comprises essential parts: a cap, bulb, and pipette, designed for precise liquid dispensing needs. PP plastic, known for its rigidity and cost-effectiveness, bears the resin code 5, offering excellent fatigue resistance and withstanding high temperatures up to 320°F (160°C).
