Also called a full removable head. The whole top comes off, so the drum can be filled with pastes, solids, powders or parts, cleaned out, and lined easily. The seal depends on the gasket and the closing ring rather than a threaded plug.
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What are the alternatives to a 55-gallon drum?
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TermTight-head drum
A drum with a fixed top and threaded bungs.
TermConical drum
A tapered steel drum shaped so empty units nest inside each other.
TermLiner
A bag or insert placed inside a container so the container never touches the product.
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