King Roll Calender Cylinder
Large-diameter heated steel king roll cylinder serving as the primary pressure roll in paper calenders, essential for uniform paper web compression. Included in HTS 8420.10.20.00 as cylinders specifically for paper calendering machines.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If generic pulp machine parts
Unspecified cylinders for pulp equipment classified as parts of pulp-making machines.
If considered heat exchanger component
Heated rolls functioning primarily as heat transfer equipment may shift to heat exchanger parts.
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Import Tips & Compliance
• Match cylinder specifications exactly to parent machine model for classification; require material certificates showing chrome plating specs; use specialized transport cradles to prevent roll ovality during shipping
Related Products under HTS 8420.10.20.00
Paper Calendering Machine
A specialized rolling machine equipped with multiple heated steel rolls used to apply pressure and heat to paper webs, enhancing smoothness and gloss during paper production. It falls under HTS 8420.10.20.00 as it is explicitly designed for calendering paper or paperboard, distinguishing it from machines for metals or glass.
Supercalender for Paperboard
High-pressure supercalender featuring alternating steel and filled rolls to produce highly glazed paperboard surfaces for packaging applications. Classified in HTS 8420.10.20.00 due to its specific function in rolling and calendering paperboard shapes.
Soft-Nip Calender Machine
Modern calender with compliant rubber nip rolls for gentle finishing of tissue and hygiene papers, preventing web breaks. It qualifies under HTS 8420.10.20.00 for its role in paper finishing rolling operations.
Tissue Paper Yankee Calender
Specialized calender paired with Yankee dryer cylinders for creped tissue paper production, providing controlled roll pressure. Falls under HTS 8420.10.20.00 for paper tissue rolling and finishing processes.
Paperboard Coating Calender
Precision calender for post-coating rolling of paperboard, consolidating coating layers and achieving uniform thickness. Classified under HTS 8420.10.20.00 as dedicated to paperboard rolling finishing.
Multi-Nip Paper Calender Stack
Stack of 8-12 nips with automated pressure controls for high-volume newsprint and printing paper finishing. HTS 8420.10.20.00 covers such calendering stacks specifically for paper production.