33-400 White Smooth Plastic Cap with Foam Liner | PP Screw Cap

33-400 White Smooth Plastic Cap with F217 Foam Liner

Keep your compatible bottles and jars securely sealed with our 33-400 White Smooth Plastic Cap with F217 Foam Liner. Made from durable white polypropylene (PP), this smooth-sided continuous thread (CT) closure fits containers with a matching 33-400 neck finish. The F217 foam liner helps create a dependable seal for many dry products and general packaging applications while providing a clean, professional appearance.

This versatile closure is commonly used with compatible 32 oz Boston round bottles, 16 oz and 32 oz F-style plastic jugs, wide-mouth plastic jars, French square bottles, PET bottles, HDPE bottles, cosmetic bottles, laboratory bottles, and other containers featuring a 33-400 continuous thread neck finish.

Features

• White polypropylene (PP) plastic cap
• 33-400 continuous thread (CT) finish
• Smooth side screw cap design
• F217 foam liner
• Food grade and BPA free
• Lightweight, durable, and reusable
• Professional appearance for retail, laboratory, and industrial packaging

Common Uses

• Cosmetics and skin care products
• Powders and dry goods
• Vitamins and dietary supplements
• Personal care products
• Laboratory containers
• Specialty chemicals
• Industrial packaging

Specifications

• Neck Finish: 33-400 Continuous Thread (CT)
• Material: Polypropylene (PP)
• Color: White
• Liner: F217 Foam Liner
• Style: Smooth Side Screw Cap

Frequently Asked Questions

What does 33-400 mean?

The 33-400 designation identifies the container's neck finish. This cap fits bottles and jars with a matching 33-400 continuous thread (CT) neck finish.

What is an F217 foam liner?

F217 is a polyethylene foam liner that helps create a dependable seal between the cap and the container, making it ideal for many dry products and general packaging applications.

Is this cap leakproof?

The F217 foam liner helps provide a dependable seal under normal conditions but is not intended for applications requiring a guaranteed leakproof or tamper-evident closure. Always test with your specific product.

Can I use this cap for food products?

Yes. This food-grade, BPA-free polypropylene cap is suitable for many dry food and general packaging applications. Customers should verify compatibility with their specific product and filling process.

What containers does this cap fit?

This cap fits containers with a 33-400 continuous thread (CT) neck finish, including compatible 32 oz Boston round bottles, 16 oz and 32 oz F-style plastic jugs, wide-mouth plastic jars, French square bottles, PET bottles, HDPE bottles, cosmetic bottles, laboratory bottles, and other matching containers.

Can this cap be reused?

Yes. The durable polypropylene cap is reusable, although the sealing performance of the F217 liner may decrease after repeated opening and closing.

Is polypropylene recyclable?

Yes. Polypropylene (PP) is identified as recycling code #5 and is recyclable in many communities. Please check your local recycling guidelines for availability.