Kaxite PTFE Packing is braided from 100% pure PTFE yarn with no lubricant, no graphite and no additives. It is the standard gland packing for valves and lower shaft-speed equipment running under medium pressure where high purity and chemical resistance are required. Because the yarn contains nothing that can be released into the process, the packing is widely used in food processing, pharmaceutical, specialty chemical and fine paper service — including sugar and chocolate processing lines.
Pure PTFE packing is a braided gland packing made entirely from pure PTFE yarn with no lubricant additive. The yarn is braided into a square or rectangular cross-section and supplied in spools or as pre-formed rings to match the stuffing box dimensions. Because the yarn contains no graphite, no oil and no silicone, the packing does not mark or contaminate the product it seals.
The braid is designed for valves and lower shaft-speed equipment running at medium pressure. It is not a substitute for a high-speed mechanical seal, but where a gland packing is preferred — as in rotary valves, reciprocating pump rods and slow-speed agitators — pure PTFE packing gives a clean, chemically inert seal with minimal shaft wear.
No graphite, no oil and no silicone in the yarn — the packing does not mark or contaminate the process fluid.
The braided construction resists gland compression set and holds its sealing geometry over long running periods.
Pure PTFE is self-lubricating and softer than the shaft metal, so the packing wears before the shaft and does not score the running surface.
Inert to acids, bases, oxidizers and most solvents across pH 0–14, with a service temperature range of −150 °C to +260 °C.
Valves, pumps and agitators in food processing lines where the sealing element must not contaminate the product.
Where graphite-free and non-marking behaviour is essential, pure PTFE packing is the standard choice.
Clean fluid handling where high purity and full chemical resistance are required at medium pressure.
Rotary and reciprocating equipment in fine paper production, where the packing must resist process chemistry without contaminating the pulp.
To quote accurately, please provide the following information with your inquiry:
Send stuffing box dimensions, application type and media — our engineers will reply with pricing and lead time within 24 hours.
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