20 Pack White Plastic Drum Bung Caps for Chemical Barrel Sealing
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- Dual Thread Structural Design for Versatile Barrel Compatibility: Equipped with two distinct internal thread moulding specifications to suit threaded openings on plastic storage barrels. Neatly formed, uniform thread ridges create stable meshing contact when screwing the cap onto barrel mouths for secure fitting - Dual-Layer Sealing Assembly for Tight Closure: Flexible ring-shaped cushion pads pair perfectly with the threaded cap body. When tightened fully, the cushion sits flush between the cap and barrel rim, filling microscopic connection gaps to deliver reliable sealing performance - Thick Solid One-Piece Plastic Construction: Manufactured via integrated thick plastic moulding, these caps boast robust structural rigidity. They withstand frequent repeated opening and closing, ideal for long-term use during warehouse storage and transit handling - Smooth Ergonomic Outer Contour: Each cap features a uniformly smooth finished exterior with a curved profile. The enhanced palm contact area enables effortless manual tightening and loosening, with no additional gripping tools required - Complete Spare Parts Set for Replacement: This bundle includes matched threaded caps and supporting cushion rings in consistent specifications. It provides ample spare components to replace worn, aged or deformed original barrel bung parts for continuous use
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