Description
Secure your bottles with our 18-400 Black Ribbed Phenolic Cap, engineered for reliable performance and professional presentation. The ribbed phenolic construction provides excellent durability and chemical resistance, while the integrated cone liner ensures a tight, tamper-evident seal that protects your product's integrity. Ideal for pharmaceuticals, cosmetics, and specialty liquids, this cap combines functionality with a sleek black finish. Trust in consistent quality that keeps your contents fresh and your brand looking polished.
Product Details
| Finish | 18-400 |
| Case pack | 6000 units |
| Color | Black |
| Material | PP (polypropylene) |
| Recycling code | #5 PP |
| Spec sheet | No spec sheet |
Payment & Security
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Matching products
SKU GB3414-MD1/2 oz Clear Glass Boston Round Bottle 18-400- 1/2 oz
- Glass
- 18-400
Clearance
SKU GB2035-MDB15 mL 18-400 Cobalt blue Glass Boston Round Bottle- 15 mL
- Glass
- 18-400
SKU GB1003-MD1/2 oz Amber 18-400 Boston Round Glass Bottle- 1/2 oz
- Glass
- 18-400
SKU GB1567-MD1/2 oz Green 18-400 Boston Round Glass Bottle- 1/2 oz
- Glass
- 18-400
Material at a glance
PP · Polypropylene
Strong and durable, and the most heat-resistant of the common packaging plastics.
Maximum temperature
- Heat resistance
- High, up to 275°F (hot fill and dishwasher)
- Durability
- Strong; makes durable flip-top hinges
- Chemical resistance
- Good with acids, bases and alcohols
- Color
- Translucent, opaque or any color
Great for
- Hot-filled and dishwasher-safe products
- Caps, closures and jars
Avoid
- Heat above 275°F
- Freezing temperatures (can turn brittle)
General material information. Always test compatibility with your product; free samples are available.
Liner at a glance
Cone liner
A cone-shaped polyethylene liner that presses into the container opening for a tight, reusable seal.
- Seal
- Cone presses into the opening
- Reusable
- Yes, stays in the cap
Great for
- Liquids
- Oils
General guidance based on industry recommendations. Always test compatibility with your product; free samples are available.
Real people. Real service.
Need a large volume? Talk to a packaging specialist.
Ordering by the pallet, or need help matching containers and closures? Tell us what you’re packaging and we’ll put together the right combination, with free samples to test first.