Summary: Molded packing rings and braided packing are both used for sealing in rotating and reciprocating equipment, but differ in construction. Molded rings are pre-formed, resilient units providing dynamic sealing, while braided packing is a flexible, woven material that allows adaptive, cut-to-length installation by compression.
Graphite sheets are lightweight, highly conductive materials known for excellent thermal and electrical conductivity, often manufactured by compressing or sintering natural or synthetic graphite flakes into thin, flexible forms.
PTFE and Teflon sheet are often used interchangeably: PTFE is the chemical name for a fluoropolymer, while Teflon is a brand name commonly associated with the same non-stick material, meaning they are essentially the same product under different labels.
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