28mm Caps

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...

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...

28-400 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,...

28-400 Green Smooth Thermoset Cap with F217 & PTFE Liner. These Liners can resist attack from virtually all chemicals at room temperature and provide a tight seal with a low moisture transmission rate. F217 has a low density foam core between two solid...

28-400 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...

28-400 White Polypropylene Hole Cap with Bonded PTFE/Silicone Septa. White Polypropylene Hole Caps with bonded PTFE/Silicone Septa provide assurance that the septa will not slip away from the cap while injecting. The PTFE/Silicone septa has excellent...

28-400 White Polyethylene Unlined Flip Top Cap Packed in bags of 12. Flip Top Caps are ideal on the workbench for dispensing small amounts of liquid. They are made of durable polyethylene (PE) and are unlined. Cap orifice is 3mm.

28-400 ValuLine White Ribbed Polypropylene F217 & PTFE Lined Cap, Packed in Bags of 100. Low-priced plastic bottle caps and jar lids to meet your budget! Polypropylene (PP) caps with F217 & PTFE liners are an economical alternative to Thermoset and...

White polypropylene hole caps with bonded PTFE/Silicone septa provide assurance that the septa will not slip away from the cap while injecting. The PTFE/Silicone septa has excellent resealing and chemical resistant properties.

28-400 Black Phenolic Cap with Pulp/Vinyl Liner. 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...

28-400 Black Phenolic Cap with Rubber Liner. Black phenolic caps with rubber liners are autoclavable. This liner is FDA approved for food and pharmaceutical applications. Excellent properties of resilience, resistance to moisture vapor and relatively low...

28-400 Black Phenolic Cap with Rubber Liner. Black Phenolic Rubber Lined Caps are autoclavable. The 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...

28-400 Black Ribbed Phenolic Cap with F217 & PTFE Liner. F217 & PTFE Liners can resist attack from virtually all chemicals at room temperature and provide a tight seal with a low moisture transmission rate. F217 has a low density foam core between two...

28-400 Black Ribbed Phenolic Cap with PolyCone Liner. Thermoset or Phenolic (Bakelite) 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...

28-400 Black Ribbed Polypropylene Unlined Cap. Polypropylene caps are known for good impact strength, cost effectiveness, and pliability. Unlined polypropylene caps are suitable for many dry products. Unlike many pre-made closures, there is no glue...

28-400 Green Smooth Thermoset Cap with F217 & PTFE Liner. F217 & PTFE Liners can resist attack from virtually all chemicals at room temperature and provide a tight seal with a low moisture transmission rate. F217 has a low density foam core between two...

28-400 Green Smooth Urea Cap with PE Foam/PTFE Liner Packed in Bags of 100. Green Thermoset Plastic Caps with F-217 PTFE Liners are known for providing the widest range of chemical compatibility and for being the most temperature tolerant of plastic...

28-400 Black Ribbed Phenolic Cap with PolyCone Liner. PolyCone Lined Phenolic Caps 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...

28-400 Black Phenolic Cap with Pulp/Aluminum Foil Liner Packed in bags of 12. Black Phenolic Caps with Pulp/Aluminum Foil Liners are free of odor and taste problems, and are appropriate for non-acid, non-alkaline products. Typically used for food...

28-400 Black Phenolic Cap with Pulp/Vinyl Liner. Phenolic Pulp/Vinyl Lined Caps 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...