Product Partners

PRC-DeSoto Products

Aircraft fuel tank, fuselage, windshield, conductive and specialty sealants Industrial sealants and adhesives

Semco® Packaging and Application Systems

Innovative, clean, safe, and accurate packaging and dispensing solutions for single-and multi-component adhesives, sealants, encapsulants, coatings and lubricants

RPM Technology

Products for the removal of polysulfide (fuel tank) sealants and silicone sealants

eOx Cleaners

Aqueous based aircraft and industrial cleaners

Sealant Removal Wipes

Water wetted wipes for the removal of uncured sealants and adhesives

Glue Dots

Removable adhesive dots in a convenient dispenser box

Semco® Cartridges, Plungers and Seals

SEMCO® division of PRC-DeSoto International provides a complete line of dispensing guns for SEMKITS® and cartridges.

Part numbers & drawings for Cartridges, Plungers & Seals

2-1/2 oz, 6 oz., 8 oz. and 12 oz. cartridges

1/10th gallon cartridges

20 oz. & 32 oz. cartridges


Disposable plastic cartridges are available in 1, 2-1/2, 6, 8, 12, 20, 32 oz. and 1/10 gallon capacities for use with Semco dispensing guns. Cartridges are available in low or high density natural polyethylene and special order colors. All sizes are designed to accept 1/4 NPT fittings.


Precision molded plungers in regular (P) and wiper (WP) styles are designed to fit the cartridge contour, assuring complete dispensing and the elimination of waste.


The TS-seal seals at three places in the threaded neck to prevent leakage. The T-seal and TC-seal thread into the neck of the cartridge. The TC-seal also engages the cartridge neck seal. The S-seal fits over the threaded end of the cartridge. The F-cap is designed to fit the flange end of the cartridge to prevent contamination.

Technical Data Sheet (pdf) on Semco Cartridges, Plungers and Seals

For more information about these products contact Bergdahl Associates, Inc.