30WF20 is a 20mm 20-410 white ribbed sided cap with a heat induction liner for PET/PVC. The ribbed-sided design allows for ease of use when removing the lid. Induction liners are a popular choice when a tamper-evident airtight seal is needed. It also works well with liquid products.

Cap Liner Type:

Uni-Gard™ liner-ISPVC-PET-U10 Heat Induction Foil Innerseal Composition
One piece foam backed heat induction foil innerseal that will provide a tamper evident welded seal to PVC and PET containers
PET Film.0005".013mm
Polyolefin Foam.009".229mm
Heat Seal.0005".013mm
Uni-Gard liner-ISPVC-PET-U10 Heat Induction Foil Innerseal


Polypropylene PlasticPolypropylene (PP) is a tough plastic that has excellent chemical resistance. PP is translucent in its natural state but can have a glossy finish when produced with color. Some examples of common products made with PP are dairy and medication containers. Polypropylene is suitable for hot fill applications of up to 165°F and is therefore great for autoclaving. It is not recommended for cold or sub-freezing temperatures. The Cary Company has an assortment of polypropylene plastics available for purchase, such as plastic caps and jars, which have a higher tolerance for chemical products. Discover if Polypropylene is appropriate for hot fill application by learning more about What Is Hot Fill Packaging and how it applies to Polypropylene containers.


This information has been provided as a general guide. It is the customer's responsibility to select the proper container for product and application compatibility.

Additional Information

More Information
Neck Width20 mm
Neck Finish20-410
Cap LinerUni-Gard™ ISPVC-PET U10 (One-Piece Heat Induction Foil Innerseal)
Liner CompatibilityPET, PVC
Sealing CharacteristicsTamper Indicating
FDA CompliantYes
Dimensions0.903" x 0.592" (22.936 x 15.037 mm) - Outside
Case Pack6,800 ea.
Pallet Pack238,000 ea.
Case Weight27.2 Ibs.
Pallet Weight1142.4 lbs.
Case Dimensions21" L x 14" W x 13" H
IndustriesFood & Beverage, Health & Beauty, Nutraceuticals, Pharmaceutical
Country of ManufactureUnited States
Q & A
Customer Questions
Can you ship internationally? Where are you located?
The Cary Company online ordering platform is only set up to ship within the United States. For international shipments, please contact us at 630.629.6600 or Sales@thecarycompany.com, and we will be happy to process your order. Our main warehouse and office are located in Addison, Ill. We also have warehouses in across the United States that you can see here. Thank you for choosing The Cary Company.
Which styles do continuous threaded caps come in?
CT caps come in smooth top/smooth side, smooth top/ribbed side, matte top/ribbed side, and vented styles.
What’s the benefit of using this continuous threaded cap?
CT caps are widely used across industries due to its sleek look, great grip and easy use when opening and closing. Its wide surface allows for an ideal platform for labeling.
What type of containers are often paired with continuous threaded caps?
Continuous threaded caps can be used with various industries and numerous sized containers anywhere from small glass vials to industrial F-style containers. Compatible containers are listed (though not limited to) under the related items section of the product page.
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