GPI Thread Finish: 18-400
Shell Material: Polypropylene
Liner Material: F217 PE Foam
Is Autoclavable? No
The 18-400 black continuous thread closure with an F217 liner provides a secure seal for bottles with an 18-400 neck finish. Made from durable polypropylene, it offers chemical resistance and reliable performance for liquid and dry applications. The F217 foam liner helps prevent leaks while protecting contents from moisture and air exposure. Commonly used in pharmaceuticals, cosmetics, chemicals, and food packaging, this cap ensures dependable functionality. Its smooth black finish gives a professional look and fits various bottle materials.
Fits the following products
4 Dram Vials
1/2 Ounce Boston Round Bottles