Caps and Closures

Caps and Closures

Caps and Closures

common thread designs and cap types

Understanding Screw Cap Threads

How to Choose the Best Cap for Your Usage

Thermoset or Phenolic (Bakelite) - These caps are known for providing the widest range of chemical compatibility and for being the most temperature tolerant of plastic closures. They also provide the most consistent adherence to close dimensional tolerances. Ideal for pharmaceutical applications. Thermoset closures cannot be remelted after they are formed. Common resins include urea, phenolic, and melamine.

Metal - Metal caps offer the widest range of temperature tolerances and are very resistant to fracture from impact. Metal caps are great for industrial and food applications. A metal closure is manufactured from either steel (coated with anti-corrosive coating of either chromeplate or tinplate) or aluminum.

Polypropylene (Thermoplastic) - Polypropylene caps are known for good impact strength, cost effectiveness, and pliability. They can be remelted after they are formed.

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  • An individual 13-425 Black Ribbed Phenolic Cap with a Cone-Shaped Insert (QP-CAP-00107-EA) used for securely sealing containers.

    13-425 Black Ribbed Phenolic Cap with Cone-Shaped Insert, Each

    Qorpak

    MSRP: $0.50
    Price: $0.38
    13-425 Black Ribbed Phenolic Cap with Polyseal Cone Liner CC13425OSPC. Black Phenolic caps with Polyseal cone liners form an exceptionally tight seal and offer a good chemical barrier. This liner molds itself around the sealing areas of the finish as the...
    QP-CAP-00107-EA
    MSRP: $0.50
    Price: $0.38
    Qty in Cart: 0
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    MSRP: $0.50
    Price: $0.38
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  • An individual 33-400 Black Phenolic Cap with an Aluminum Foil Liner, suitable for sealing containers and preserving contents.

    33-400 Black Phenolic Cap with Aluminum Foil Liner, Each

    Qorpak

    MSRP: $1.00
    Price: $0.43
    33-400 Black Phenolic caps with aluminum foil liners are typically used for food applications. Free of odor and taste problems. Also can be used for non-acid, non-alkaline products. Great for organic solvents, chrome cleaners, brake fluids and mineral...
    QP-CAP-00206-EA
    MSRP: $1.00
    Price: $0.43
    Qty in Cart: 0
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    MSRP: $1.00
    Price: $0.43
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  • 28-400 Black Phenolic Cap with Pulp/Vinyl Liner, Each

    28-400 Black Phenolic Cap with Pulp/Vinyl Liner, Each

    Qorpak

    MSRP: $0.46
    Price: $0.35
    28-400 Black Phenolic caps with pulp and vinyl liners are perfect for general use. The liner is made of a vinyl coating applied to high density polyethylene coated paper and then it is laminated to pulpboard. This general purpose liner is commonly used...
    QP-CAP-00194-EA
    MSRP: $0.46
    Price: $0.35
    Qty in Cart: 0
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    MSRP: $0.46
    Price: $0.35
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  • This product is a single white metal cap, each equipped with a pulp polyethylene lining, designed for closures with a 53-400 specification. It is identified by the part number QP-CAP-00449-EA

    53-400 White Metal Cap, Pulp Polyethylene Lined, Each

    Qorpak

    MSRP: $1.00
    Price: $0.93
    Metal caps are resistant to fracture from impact have the widest range of temperature tolerances. 53mm White metal caps with pulp/PE liners are the ideal general purpose closure. Typically ships from Pennsylvania.
    QP-CAP-00449-EA
    MSRP: $1.00
    Price: $0.93
    Qty in Cart: 0
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    MSRP: $1.00
    Price: $0.93
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  • 20-400 Black Phenolic Unlined Hole Cap, Each

    20-400 Black Phenolic Unlined Hole Cap, Each

    Qorpak

    MSRP: $0.46
    Price: $0.35
    20-400 Black Phenolic Unlined Hole Cap. Phenolic hole caps are provided without a septa. They provide the widest range of chemical compatibility and for being the most temperature tolerant of plastic closures. They also provide the most consistent...
    QP-CAP-00330-EA
    MSRP: $0.46
    Price: $0.35
    Qty in Cart: 0
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    MSRP: $0.46
    Price: $0.35
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  • 38-400 Black Ribbed Phenolic Cap with Cone-Shaped Insert, Each

    38-400 Black Ribbed Phenolic Cap with Cone-Shaped Insert, Each

    Qorpak

    MSRP: $1.00
    Price: $0.67
    38-400 Black Phenolic caps with Polyseal cone liners form an exceptionally tight seal and offer a good chemical barrier. This liner molds itself around the sealing areas of the finish as the cap is screwed on, virtually eliminating leakage, evaporation,...
    QP-CAP-00224-EA
    MSRP: $1.00
    Price: $0.67
    Qty in Cart: 0
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    MSRP: $1.00
    Price: $0.67
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  • 24-410 Black Ribbed Phenolic Cap with Cone-Shaped Insert, Each

    24-410 Black Ribbed Phenolic Cap with Cone-Shaped Insert, Each

    Qorpak

    MSRP: $1.00
    Price: $0.52
    24-410 Black Phenolic caps with Polyseal cone liners form an exceptionally tight seal and offer a good chemical barrier. This liner molds itself around the sealing areas of the finish as the cap is screwed on, virtually eliminating leakage, evaporation,...
    QP-CAP-00185-EA
    MSRP: $1.00
    Price: $0.52
    Qty in Cart: 0
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    MSRP: $1.00
    Price: $0.52
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  • Individual Autoclavable Black Phenolic Cap with 14B Rubber Liner, Size 33-400 (Product Code: QP-CAP-00488-EA).

    33-400 Black Phenolic Cap with 14B Rubber Liner, Autoclavable, Each

    Qorpak

    MSRP: $1.00
    Price: $0.71
    33-400 Black Phenolic caps with White Rubber liners are autoclavable. This liner is compliant with FDA 21 CFR 177.2600 Rubber Articles Intended for Repeated Use. The liner exhibit good resiliency and resistance to moisture vapor. The closures provide...
    QP-CAP-00488-EA
    MSRP: $1.00
    Price: $0.71
    Qty in Cart: 0
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    MSRP: $1.00
    Price: $0.71
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  • A single 58-400 Black Phenolic Cap with a Solid Polyethylene Liner, available for individual purchase.

    58-400 Black Phenolic Cap with Solid Polyethylene Liner, Each

    Qorpak

    Price: $1.22
    58-400 Black Phenolic caps with solid PE liners offer good chemical resistance and low moisture vapor transmission rate. They are great for nail polish remover and higher concentration acids and alkalis. Good for non-oil products filled at room...
    QP-CAP-00286-EA
    Price: $1.22
    Qty in Cart: 0
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    Price: $1.22
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  • Individual 58-400 Green Thermoset Screw Cap with F217 & PTFE Liner (QP-CAP-00074-EA), offering a dependable seal with the included liner for your convenience.

    58-400 Green Thermoset Screw Cap with F217 & PTFE Liner, Each

    Qorpak

    MSRP: $3.00
    Price: $2.77
    58-400 Green Thermoset caps with PTFE liners provide a wide range of chemical compatibility and temperature tolerance. The foam backed PTFE resists attack from virtually all chemicals at room temperature and provides resilience for a tight seal...
    QP-CAP-00074-EA
    MSRP: $3.00
    Price: $2.77
    Qty in Cart: 0
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    MSRP: $3.00
    Price: $2.77
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  • 24-410 Black Phenolic Cap with Pulp/Vinyl Liner, Each

    24-410 Black Phenolic Cap with Pulp/Vinyl Liner, Each

    Qorpak

    MSRP: $0.46
    Price: $0.35
    24-410 Black Phenolic caps with pulp and vinyl liners are perfect for general use. The liner is made of a vinyl coating applied to high density polyethylene coated paper and then it is laminated to pulpboard. This general purpose liner is commonly used...
    QP-CAP-00186-EA
    MSRP: $0.46
    Price: $0.35
    Qty in Cart: 0
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    MSRP: $0.46
    Price: $0.35
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  • A single 24-400 Black Ribbed Phenolic Screw Cap with an F217 & PTFE Liner, designed for sealing and securing the contents of a container.

    24-400 Black Ribbed Phenolic Screw Cap with F217 & PTFE Liner, Each

    Qorpak

    MSRP: $1.00
    Price: $0.68
    Thermoset caps with PTFE liners provide a wide range of chemical compatibility and temperature tolerance. Available in green or black. The foam backed PTFE resists attack from virtually all chemicals at room temperature and provides resilience for a...
    QP-CAP-00171-EA
    MSRP: $1.00
    Price: $0.68
    Qty in Cart: 0
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    Price:
    MSRP: $1.00
    Price: $0.68
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  • An individual 33-400 Black Phenolic Cap with a Pulp/Vinyl Liner, suitable for sealing containers and ensuring a reliable seal.

    33-400 Black Phenolic Cap with Pulp/Vinyl Liner, Each

    Qorpak

    MSRP: $0.54
    Price: $0.42
    33-400 Black Phenolic caps with pulp and vinyl liners are perfect for general use. The liner is made of a vinyl coating applied to high density polyethylene coated paper and then it is laminated to pulpboard. This general purpose liner is commonly used...
    QP-CAP-00209-EA
    MSRP: $0.54
    Price: $0.42
    Qty in Cart: 0
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    Price:
    MSRP: $0.54
    Price: $0.42
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  • https://cdn11.bigcommerce.com/s-3yvzqa/products/7578/images/8655/QP-CAP-00170-EA-2__32422.1398309233.168.168.jpg?c=2

    24-400 Black Ribbed Phenolic Cap with PolyCone Liner, each

    Qorpak

    MSRP: $0.52
    Price: $0.40
    24-400 Black Phenolic caps with Polyseal cone liners form an exceptionally tight seal and offer a good chemical barrier. This liner molds itself around the sealing areas of the finish as the cap is screwed on, virtually eliminating leakage, evaporation,...
    QP-CAP-00170-EA
    MSRP: $0.52
    Price: $0.40
    Qty in Cart: 0
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    Price:
    MSRP: $0.52
    Price: $0.40
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  • Individual 89-400 White Metal Cap, Lined with Plastisol (QP-CAP-00420-EA).

    89-400 White Metal Cap, Plastisol Lined, Each

    Qorpak

    MSRP: $2.00
    Price: $1.92
    Metal caps are resistant to fracture from impact have the widest range of temperature tolerances. White metal caps with Plastisol liner offer excellent resistance to mild acids as in food products.
    QP-CAP-00420-EA
    MSRP: $2.00
    Price: $1.92
    Qty in Cart: 0
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    MSRP: $2.00
    Price: $1.92
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  • White Aluminum Foil-Lined Metal Cap, Size 58-400 – Individual Unit (Product Code: QP-CAP-00451-EA).

    58-400 White Metal Cap, Aluminum Foil Lined, Each

    Qorpak

    Price: $1.33
    Metal caps are resistant to fracture from impact have the widest range of temperature tolerances. White metal caps with pulp and aluminum foil liners are ideal for food applications.
    QP-CAP-00451-EA
    Price: $1.33
    Qty in Cart: 0
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    Price: $1.33
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  • 33-400 Black Ribbed Phenolic Cap with F217 & PTFE Liner, Each

    33-400 Black Ribbed Phenolic Cap with F217 & PTFE Liner, Each

    Qorpak

    Price: $1.13
    Thermoset caps with PTFE liners provide a wide range of chemical compatibility and temperature tolerance. Available in green or black. The foam backed PTFE resists attack from virtually all chemicals at room temperature and provides resilience for a...
    QP-CAP-00205-EA
    Price: $1.13
    Qty in Cart: 0
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    Price: $1.13
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  • Each 33-400 White Metal Cap, Lined with Pulp Polyethylene (QP-CAP-00437-EA).

    33-400 White Metal Cap, Pulp Polyethylene Lined, Each

    Qorpak

    MSRP: $1.00
    Price: $0.45
    33-400 White Metal Cap, Pulp Polyethylene Lined. Metal caps are resistant to fracture from impact have the widest range of temperature tolerances. White metal caps with pulp/PE liners are the ideal general purpose closure. Typically ships from...
    QP-CAP-00437-EA
    MSRP: $1.00
    Price: $0.45
    Qty in Cart: 0
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    MSRP: $1.00
    Price: $0.45
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  • Product image of a 53mm (53-400) Natural PP Foam Lined Smooth Cap (PKW-C053C4SPTSN). This cap is used for sealing containers and features a foam lining for secure closures.

    53mm (53-400) Natural PP Foam Lined Smooth Cap, Each

    Parkway Plastics

    MSRP: $1.09
    Price: $1.05
    53mm Natural Polypropylene Foam Lined Smooth closure for poly jars. 53-400 finish, Polypropylene (PP.) Product Diameter: 2.08 in. PLEASE NOTE: These caps are not returnable.
    PKW-C053C4SPTSN
    MSRP: $1.09
    Price: $1.05
    Qty in Cart: 0
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    MSRP: $1.09
    Price: $1.05
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  • A single 45-400 Black Phenolic Cap with a Pulp/Vinyl Liner, designed for sealing containers and ensuring a secure closure.

    45-400 Black Phenolic Cap with Pulp/Vinyl Liner, Each

    Qorpak

    MSRP: $0.69
    Price: $0.57
    45-400 Black Phenolic caps with pulp and vinyl liners are perfect for general use. The liner is made of a vinyl coating applied to high density polyethylene coated paper and then it is laminated to pulpboard. This general purpose liner is commonly used...
    QP-CAP-00255-EA
    MSRP: $0.69
    Price: $0.57
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $0.69
    Price: $0.57
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